Question 1

Is octadecylamine polyoxyethylene ether AC-1830 harmful to the human body? Does it affect the environment?

Accepted Answer

Octadecylamine polyoxyethylene ether AC-1830 is a low-toxicity chemical under normal industrial use conditions, but direct contact can cause irritation to the human body and poses potential hazards to the aquatic environment. Standard operating procedures must be followed and release into natural water bodies must be prevented. Detailed explanation I. Impact on human health Octadecylamine polyoxyethylene ether AC-1830 is classified as a general chemical, not a hazardous substance, but this does not mean it is completely harmless. According to safety information in the Guoli Chemical database, the product poses mainly irritation risks to humans: skin contact may cause irritation, eye contact can cause significant discomfort, and inhalation of dust or aerosols may also irritate the respiratory tract. The product contains extremely low levels of heavy metals (total heavy metals such as lead ≤10 mg/kg, arsenic ≤2 mg/kg), so the risk of harmful impurities is controllable. In normal industrial application scenarios (such as textile dyeing and printing, pesticide emulsification, industrial cleaning, etc.), operators can effectively control exposure risks by following standard chemical safety procedures, including wearing nitrile or neoprene gloves, chemical safety goggles, and protective clothing, as well as ensuring good ventilation in the work area. In case of accidental skin or eye contact, immediate flushing with plenty of water for at least 15 minutes is a key emergency measure; if irritation persists or if ingestion occurs, seek medical attention immediately. The product has a flash point above 200°C (closed cup), making it not flammable at room temperature, but it may decompose when exposed to high temperatures or open flames, so it should still be kept away from heat and ignition sources. II. Environmental impact As a nonionic surctant, AC-1830's molecular structure gives it good water solubility (easily soluble in water and organic solvents) and a high HLB value (16~17), meaning that once it enters water bodies, it disperses rapidly and is not easily separated from water. The emergency response procedures for spills explicitly require "preventing the spilled material from entering sewers, waterways, or groundwater sources" and recommend collecting the material with inert absorbents (such as sand, vermiculite) and disposing of the waste according to regulations. This directly indicates its potential hazard to aquatic ecosystems. Although the database does not provide specific acute aquatic toxicity data (such as LC50/EC50) or biodegradability indicators for this product, as a long-chain alkylamine polyoxyethylene ether surctant, its cationic component (tertiary amine part) may have certain toxic effects on aquatic organisms (especially fish and plankton). Therefore, industrial wastewater containing AC-1830 should be treated appropriately (e.g., by activated sludge process or chemical flocculation) before discharge and must not be directly released into the environment. Summary of key points for safe handling and environmental disposal AspectSpecific riskPrevention and response measures Skin contactIrritation, repeated contact may cause dry skinWear nitrile/neoprene gloves; wash hands thoroughly after handling; in case of contact, immediately wash with soap and plenty of water for at least 15 minutes Eye contactSignificant irritation, may cause redness and tearingWear chemical safety goggles throughout; in case of contact, immediately flush with running water or saline for at least 15 minutes, lift eyelids, and seek medical attention immediately InhalationDust or aerosols may irritate the respiratory tractEnsure good ventilation; use local exhaust if necessary; if inhaled, move to fresh air immediately; if breathing difficulty occurs, give oxygen and seek medical attention IngestionMay cause gastrointestinal irritationNo eating, drinking, or smoking in work area; if swallowed, rinse mouth with water, do not induce vomiting, and seek medical attention immediately Environmental releaseMay be harmful to aquatic life; does not easily separate from water once releasedPrevent spilled material from entering sewers or surce water; collect residues with absorbents like sand and dispose of according to regulations; treat wastewater containing the product to meet discharge standards before release Fire hazardMay decompose when exposed to high temperatures or open flamesKeep away from heat and ignition sources; storage temperature not exceeding 40°C; non-flammable (flash point >200°C), but still pay attention to fire safety Application recommendations Given that AC-1830 has both nonionic and weakly cationic properties, the following suggestions are made for its use in formulations: Control of addition amount: In textile leveling agents, the typical addition amount is about 0.5%~2% (based on bric weight); in pesticide emulsifiers, about 3%~8% (based on oil phase); in daily care bric softener formulations, about 1%~5%. Low concentrations can effectively achieve emulsification, antistatic, and softening effects while reducing potential health and environmental risks. Wastewater management: Industrial users should establish collection and treatment processes for surctant-containing wastewater, preferably using activated sludge biological treatment, and avoid direct discharge of AC-1830 mother liquor into municipal pipelines or natural water bodies. Use in combinations: This product has good compatibility with anionic, cationic, and nonionic surctants. By optimizing the formulation, the total amount of a single surctant can be reduced, balancing efficacy, safety, and environmental protection. Precautions All operators should receive chemical safety training before starting work and be thoroughly miliar with the product's safety data sheet. Waste packaging (plastic drums, iron drums) should be disposed of in accordance with local hazardous waste regulations and must not be discarded arbitrarily or reused without authorization. Although the acute toxicity of the product is low, data on chronic health effects from long-term or repeated exposure are limited. It is recommended to minimize exposure at all times in industrial hygiene management. The ecotoxicological data underlying this answer are limited to the existing information in the Guoli Chemical database. Specific numerical values (such as biodegradation rate, algal EC50) are not available in more detail. Users are advised to contact Guoli Chemical's technical department for the complete safety data sheet or commission a qualified organization for specific testing if special environmental compliance requirements exist.

Question 2

What to do if problems occur during the use of Stearylamine Polyoxyethylene Ether AC-1830? How to get technical support?

Accepted Answer

If you encounter problems during use, it is recommended to first perform a common problem self-check. If the issue cannot be resolved, you can contact the Guoli Chemical technical team for one-on-one professional support. Common Usage Problems and Troubleshooting Guide 1. Product Appearance Changes AC-1830 may appear as a light yellow to yellow paste or solid at different temperatures, which is a normal physical phenomenon and does not affect performance. If the product shows obvious discoloration, separation, odor, or other abnormalities, it may be due to improper storage (such as high temperature exposure, moisture, or contact with strong oxidizers), leading to deterioration. Stop using immediately and contact the technical team. 2. Dissolution and Dispersion Issues Stearylamine Polyoxyethylene Ether AC-1830 is a high molecular weight nonionic surctant. When dissolving, it is recommended to use warm water at 40~60°C and add slowly under stirring to avoid clumping from adding a large amount at once. If dispersion in water is poor, appropriately increase the water temperature or extend the stirring time. When compounding with anionic, cationic, and other nonionic surctants, pay attention to the order of addition to achieve optimal synergy. 3. Unsatisctory Application Results If the effect is not as expected in scenarios such as textile leveling, pesticide emulsification, or metalworking lubrication, first check: ① Whether the product dosage is within the recommended range (the optimal addition amount should be determined through experiments based on the specific process); ② Whether the pH value and hard water conditions of the formulation system are compatible (AC-1830 has excellent resistance to acid, alkali, and hard water, but extreme conditions still need verification); ③ Compatibility of other components in the compounding system. 4. Storage and Shelf Life Issues This product should be stored in a cool, dry, and well-ventilated warehouse, with a recommended storage temperature ≤40°C, avoiding freezing and high temperatures. Containers must be kept sealed and protected from moisture. Under proper storage conditions, the product's shelf life is typically one year. Products beyond the shelf life or stored under substandard conditions should be performance-verified or consult the technical team before use. Channels for Technical Support Method 1: Phone Consultation Call the Technical Department of Hai'an Guoli Chemical Co., Ltd. directly to receive one-on-one guidance from a technical engineer. Before calling, please prepare the product batch number, process conditions, and a specific description of the problem so that the engineer can quickly locate the issue. Method 2: Online Technical Ticket Submit a technical ticket through the Guoli Chemical official website or WeChat official account, describing the problem encountered during product use. You can upload auxiliary information such as product appearance photos and application process parameters. The technical support team will respond as soon as possible on working days. Method 3: Sample Delivery for Analysis If the problem is complex, coordinate with the technical team to send the problematic sample to the Guoli Chemical Technology Center for analysis and testing, including but not limited to cloud point test, hydroxyl value determination, and emulsifying power evaluation, to determine whether the product performance is normal. Method 4: On-Site Technical Guidance For important customers or complex application scenarios, Guoli Chemical can arrange technical engineers to provide on-site debugging and guidance services, helping customers optimize formulation processes and usage plans. Preparation Before Contact To efficiently solve the problem, it is recommended to prepare the following information before contacting technical support: Product name and batch number (visible on the packaging drum label) Purchase channel and purchase date Storage condition description (temperature, humidity, whether sealed, etc.) Process conditions (dosage, temperature, pH value, compounding system, etc.) Specific manifestation of the problem (attaching photos or videos is better) Troubleshooting measures already taken Safety Reminder When troubleshooting, always wear protective gloves and goggles to avoid direct contact with eyes and skin. In case of accidental contact, rinse immediately with plenty of water. For severe skin irritation, eye injury, or ingestion, refer to the first aid measures in the product safety data sheet and seek medical attention promptly. 📞 Guoli Chemical Technical Service Hotline: It is recommended to visit the official website www.guolichem.com for the latest contact information and online customer service channels. ⏰ Service Hours: Working days 8:00-17:00 (excluding statutory holidays)

Question 3

How to purchase Octadecylamine Polyoxyethylene Ether AC-1830? What is the minimum order quantity?

Accepted Answer

To purchase Octadecylamine Polyoxyethylene Ether AC-1830, please contact the Guoli Chemical sales team directly for the latest quotation and ordering plan. The product currently has no publicly released price or minimum order quantity restrictions, flexibly supporting from small sample trials to bulk purchases. Detailed Description Octadecylamine Polyoxyethylene Ether AC-1830 (CAS No.: 26635-75-6) is one of the core nonionic surctant products of Haian Guoli Chemical Co., Ltd., widely used in textile printing and dyeing, pesticide formulations, metal processing, daily chemical products, and industrial cleaning. The formal channel to purchase this product is to directly contact the Guoli Chemical sales team. You can obtain business contact methods through the company's official website, official phone number, or industry exhibitions. According to the Guoli Chemical product database information (update time: June 2026), the price information for this product is marked as "Actual price, please contact the sales team for the latest quotation," with no public catalog price. Chemical raw material procurement prices are usually affected by ctors such as order quantity, contract terms, and current raw material costs. Real-time quotations are the most accurate basis for procurement. It is recommended that you prepare the following information in advance for a quick quotation: intended use, estimated monthly/annual consumption, packaging preferences, and delivery location. Regarding the minimum order quantity (MOQ), no specific minimum order limit is set in the database. From the packaging specifications, the product is available in three standard packaging options: 50kg plastic drums, 200kg plastic drums, and IBC totes, among which the 50kg plastic drum is the smallest single-drum packaging unit. This means that the general minimum order quantity can start from 1 drum (50kg), especially suitable for initial trials or small-scale validation. For bulk purchases, totes or full-truck shipments offer better cost efficiency, and specific minimum order conditions and tiered pricing need to be confirmed with the sales team. Technical Parameters ParameterTypical Value Product NameOctadecylamine Polyoxyethylene Ether AC-1830 CAS No.26635-75-6 Appearance (25°C)Light yellow to yellow paste IonicityNonionic (weakly cationic) Active Content≥99% HLB Value16~17 Amine Value35~45 mg KOH/g Packaging Specifications50kg/200kg plastic drums, IBC totes Suggested Reference Unit PricePlease contact the sales team for the latest quotation (Unit: RMB/ton) Application Suggestions This product possesses both nonionic and weakly cationic characteristics, with an HLB value of 16~17 and strong hydrophilicity, making it particularly suitable for the following scenarios in formulation development and trial verification: Textile Auxiliary Development: Used as a leveling agent and antistatic agent, recommended dosage 0.5%~3% (on weight of bric), can significantly improve dyeing uniformity and eliminate synthetic fiber static. Pesticide Emulsification System: Used as an emulsifying dispersant for oil-based active ingredients, recommended compounding dosage 5%~15%, can build stable EW or ME. Metalworking Fluid Formulation: Used as a corrosion inhibition and lubrication component in cutting fluids and rust preventives, recommended addition amount 1%~5%. Daily Chemical Softening/Antistatic Formulation: Adding 0.5%~2% in laundry detergents and bric softeners can achieve significant antistatic and softening effects. Precautions For initial trials, it is recommended to purchase the smallest package (50kg plastic drum), and after formulation validation and process confirmation, scale up the order. The product solidification point is approximately 20~30°C. It may become solid in low-temperature seasons. Before use, it needs to be gently heated below 40°C to uniformly melt it. This is a normal physical phenomenon and does not affect performance. Storage temperature is recommended to be ≤40°C, avoid direct sunlight and high-temperature environments, and keep the container tightly sealed to prevent moisture. When handling, wear nitrile/neoprene rubber gloves and chemical safety goggles, and ensure good ventilation. Prices are adjusted according to market raw material fluctuations. For bulk purchases, it is recommended to sign a long-term supply agreement to lock in the price range.

Question 4

Does octadecylamine polyoxyethylene ether AC-1830 meet environmental requirements? Can a test report be provided?

Accepted Answer

Under normal use conditions, octadecylamine polyoxyethylene ether AC-1830 generally meets common environmental requirements, but it should be noted that its biodegradability is moderate, and it is recommended that users confirm specific compliance standards based on the end application scenario. Detailed Description Octadecylamine polyoxyethylene ether AC-1830 (CAS No.: 26635-75-6), as a nonionic surctant, exhibits its environmental performance mainly in the following aspects: the product is designed to be low-foaming, easy to rinse off in industrial cleaning applications, thereby reducing water consumption and wastewater treatment load. According to the product database of Guoli Chemical, the heavy metal content of this product is controlled at ≤10 mg/kg, arsenic content ≤2 mg/kg, and no free phosphoric acid or combined phosphorus is detected. These indicators are at a relatively good level in the industry, helping to reduce potential impacts on aquatic ecosystems. It should be objectively pointed out that the biodegradability of tty amine polyoxyethylene ether surctants is generally lower than that of linear alcohol ether nonionic surctants, and their degradation rate is affected by the degree of ethoxylation (EO number). AC-1830 has an EO number of 30, making it a highly ethoxylated product. Its initial biodegradation rate is relatively slow, but it can achieve a certain degree of degradation eventually. If the end product needs to comply with EU REACH regulations, China's "Measures for the Environmental Management of New Chemical Substances", or specific industry environmental certifications (such as BlueSign, OEKO-TEX, etc.), it is recommended to confirm the specific compliance status with Guoli Chemical's technical team. The flash point of the product is >200°C (closed cup), which is not classified as a flammable dangerous good, and the risk of volatile organic compound (VOC) emissions during storage, transportation, and use is low. The pH value of a 1% aqueous solution of the product is 6.0~8.0, which is close to neutral and will not significantly affect the pH of water bodies. Overall, under the premise of following operating procedures and properly treating wastewater, this product can meet the environmental requirements for general industrial applications. Technical Parameters Environmentally Related IndicatorsTest DataReference Significance Total heavy metals≤10 mg/kgMeets general industrial auxiliary requirements Arsenic content≤2 mg/kgReaches the safety level for daily chemical raw materials Free phosphoric acidNoneWill not cause eutrophication of water bodies Combined phosphorusNonePhosphorus-free formula with good compatibility Water content≤1.0%High active content, reducing emission of inactive components Flash point (closed cup)>200°CNon-flammable, low VOC emission risk pH of 1% aqueous solution6.0~8.0Nearly neutral, minimal impact on water body pH Foam characteristicsLow foamingEasy to rinse, reducing wastewater treatment difficulty Regarding Test Reports As a professional surctant manucturer, Guoli Chemical has a comprehensive quality management system. Each batch of products is accompanied by a Batch Test Report (COA), covering outgoing inspection items such as active content, pH value, amine value, and moisture. For the following specific test reports, it is recommended to contact Guoli Chemical's sales or technical department to obtain them: RoHS/REACH Compliance Declaration: Confirm whether the limits of hazardous substances in the product comply with EU regulatory requirements Special Test Report for Heavy Metals/Arsenic Content: Suitable for daily chemical or pharmaceutical excipient fields with strict impurity control Biodegradability Test Report: If OECD 301 series degradation test data is available, consult the technical department MSDS (Material Safety Data Sheet): Complete document for product safety information, essential for transportation and compliance To obtain officially stamped test reports or environmental compliance declarations, please contact the Quality Inspection Department of Haian Guoli Chemical Co., Ltd. directly, specifying the type of report required and a description of the purpose. The company will provide the corresponding documents based on the specific needs. Precautions Environmental compliance should be evaluated comprehensively based on the type of end product, target market regulations, and discharge standards, and should not be determined solely by a single indicator When export or specific industry certification is involved, it is recommended to communicate with Guoli Chemical's technical team in advance to confirm that the product meets the corresponding regulatory requirements Waste liquid disposal should follow local environmental regulations to avoid direct discharge into water bodies without treatment

Question 5

What are the advantages of Octadecylamine Polyoxyethylene Ether AC-1830 compared to other similar products?

Accepted Answer

Octadecylamine Polyoxyethylene Ether AC-1830 (30EO) has core advantages of optimal HLB value, extremely high cloud point, low foam and high efficiency among similar products, making it the best choice for balancing hydrophilicity and functionality. Detailed Description Compared with the same series products of Guoli Chemical (AC-1810, AC-1812, AC-1815, AC-1820, AC-1860), the core differentiation advantage of Octadecylamine Polyoxyethylene Ether AC-1830 lies in the unique performance balance brought by the 30 ethylene oxide (EO) adduct number. Compared with low EO number products (e.g., AC-1810 with 10EO, AC-1812 with 12EO), AC-1830 has an HLB value as high as 16~17, with significantly enhanced hydrophilicity, making it more soluble and dispersible in water, thus becoming an efficient O/W emulsifier; while compared with high EO number AC-1860 (60EO), AC-1830 retains better intercial adsorption capacity and lower foaming property, performing better in scenarios requiring low foam characteristics such as industrial cleaning. It can be said that 30EO is the "golden ratio" of hydrophilicity and intercial activity in the octadecylamine polyoxyethylene ether series. From the perspective of technical parameters, AC-1830 has many advantages that are difficult to achieve simultaneously in similar products: cloud point exceeding 100°C (1% aqueous solution), meaning no phase separation occurs under high-temperature process conditions, especially suitable for high-temperature leveling in textiles and metal processing and other high-temperature conditions; surce tension about 32 mN/m, with critical micelle concentration (CMC) only 0.02-0.05 g/L, indicating that it can exert excellent wetting and emulsifying effects even at very low dosages; tertiary amine content ≥95% ensures consistency and stability of product performance; and low foam characteristic makes it easier to rinse in industrial cleaning formulations, reducing water usage and residue risk. In terms of compounding compatibility, AC-1830, with its predominantly nonionic and weakly cationic dual ionic characteristics, can be widely compounded with anionic, cationic, and nonionic surctants, which is difficult for pure nonionic or pure cationic surctants to achieve. Compared with commonly available tty alcohol polyoxyethylene ethers (AEO series), the nitrogen-containing structure of AC-1830 imparts unique antistatic properties and fiber affinity, making it significantly more effective in textile softening and antistatic applications than ordinary nonionic surctants. Technical Parameters Parameter AC-1830 (30EO) Similar Product Reference (AC-1810~1820 Range) Advantage Explanation HLB Value 16~17 12~18 (increases with EO number) Best hydrophilic-lipophilic balance, high O/W emulsification efficiency Cloud Point (1% aqueous solution) >100°C Low EO number products have lower cloud point High temperature resistance, suitable for high temperature processes Surce Tension (1%, 25°C) About 32 mN/m — Strong ability to reduce intercial tension CMC (25°C) 0.02-0.05 g/L — Effective at very low dosage Tertiary Amine Content ≥95% — High purity, stable performance Foam Characteristic Low foam Some low EO products have higher foam Easy to rinse, suitable for cleaning formulations Active Content ≥99% — High effective ingredient, good cost performance Ionic Type Nonionic (weakly cationic) Consistent with series Wide compounding compatibility Appearance Light yellow to yellow paste From solid to paste depending on EO number Convenient for measuring and handling Application Suggestions High temperature textile leveling: Utilizing the characteristic of cloud point >100°C, suitable for high temperature and high pressure dyeing processes of synthetic fibers such as polyester, helping dyes to evenly dye and reduce color spots. Pesticide emulsifier: HLB value 16~17 is ideal for preparing O/W type pesticide emulsifiable concentrates, effectively dispersing oily active ingredients stable in water. Low foam industrial cleaning: Suitable for conditions requiring low foam such as high pressure spraying and CIP cleaning, with high oil removal efficiency and water-saving rinsing. bric softening and antistatic: Utilizing its weakly cationic characteristics and fiber affinity, it can be used as the core component of softeners and antistatic agents. Metalworking fluids: With both lubrication and corrosion inhibition functions, suitable for cutting fluid and drawing fluid formulations. Precautions The product is hygroscopic; after opening, seal it promptly to avoid moisture affecting performance. In low temperature environments, it may appear as a paste or solid. Before use, warm it up at 20~30°C. This is a normal physical phenomenon and does not affect performance. Recommended dosage range: 0.5%~5% (depending on formulation). Excessive use may increase system viscosity. The flash point of the product is >200°C, but it should still be kept away from open flames during high temperature operations. If compounding with strong anionic systems, it is recommended to conduct a compatibility test in advance to determine the optimal ratio.

Question 6

How to store Octadecylamine Polyoxyethylene Ether AC-1830? What is the shelf life?

Accepted Answer

Octadecylamine Polyoxyethylene Ether AC-1830 should be stored sealed in a cool, dry, and well-ventilated warehouse. The storage temperature is recommended to be ≤40°C, avoiding moisture and high temperature. Under proper storage conditions, it is recommended to use within 1 year from the date of manucture to ensure optimal product performance. Detailed Storage Methods Octadecylamine Polyoxyethylene Ether AC-1830 should be stored in a cool, dry, and well-ventilated dedicated warehouse. The packaging container must be kept tightly sealed to prevent the product from absorbing moisture and being contaminated. The storage temperature is recommended to be controlled within ≤40°C, while avoiding freezing of the product, as the product form (paste or solid) will change with temperature. The freezing point is about 20-30°C, which is a normal physical phenomenon and does not affect performance. The storage area should be away from fire and heat sources, and smoking is strictly prohibited. This product should be kept away from incompatible substances such as strong oxidizers and strong acids. The warehouse should be equipped with appropriate spill containment cilities to prevent accidental leakage. The product packaging adopts 50kg plastic drums, 200kg plastic drums, or IBC totes. During loading and unloading, handle with care to avoid container damage. Since this product has certain hygroscopicity, the container should be resealed in time after opening. Operators should wear protective gloves and goggles, maintain workplace hygiene, and thoroughly wash hands after operation. Shelf Life Description This product has no mandatory legal shelf life and is a nonionic surctant with good chemical stability. There is no nominal shelf life data for AC-1830 in the Guoli Chemical product database. According to industry practice, under the above storage conditions, it is generally recommended to use within 12 months from the date of manucture to ensure optimal performance in emulsification, wetting, dispersion, etc. For expired products, it is recommended to verify performance before use. For each specific batch, it is recommended that users check the production batch number and manucturing date on the product packaging, or contact the Guoli Chemical sales/technical department for the recommended usage period for that batch. Application Recommendations To ensure product performance, it is recommended to follow the "first in, first out" inventory management principle to avoid long-term accumulation. If slight delamination or appearance changes occur after long-term storage, the product can be restored by appropriate heating and stirring before use (e.g., water bath heating at 50-60°C). However, if severe discoloration, odor, or signs of deterioration appear, discontinue use. Precautions This product is hygroscopic. After opening, be sure to seal the container promptly to prevent moisture ingress and increase in water content. Avoid prolonged exposure to high temperatures (>40°C) and direct sunlight to prevent oxidative degradation of the product. The storage and handling area should be equipped with spill emergency response materials (such as inert absorbent materials, protective equipment). This product is a general chemical and should be loaded, unloaded, and transported according to conventional chemical transportation requirements.

Question 7

What safety precautions should be noted when using octadecyl amine polyoxyethylene ether AC-1830?

Accepted Answer

Octadecyl amine polyoxyethylene ether AC-1830 is a general chemical. Although it is not a hazardous substance, it is still necessary to follow standard chemical safety operating procedures, focusing on personal protection, proper storage, and emergency preparedness. Detailed Description Octadecyl amine polyoxyethylene ether AC-1830 is a nonionic surctant with tty amine as the starting agent, and also possesses weak cationic properties. In daily operations, this product is relatively mild, but direct contact may still cause irritation to the skin, eyes, and respiratory tract. Therefore, operators should receive professional training, strictly follow operating procedures, use it in a well-ventilated environment, and adopt local exhaust ventilation if necessary. Personal protection is a core part of safe operation. It is recommended to wear chemical safety goggles, nitrile or neoprene gloves, and protective clothing throughout the operation to avoid direct contact with eyes, skin, and clothing. After operation, hands should be thoroughly washed. Eating, drinking, and smoking are prohibited in the workplace, and personal hygiene should be maintained. At the same time, avoid generating dust or aerosols to prevent inhalation. The product may decompose when exposed to high temperatures or open flames, so keep away from fire and heat sources. In case of accidental contact, immediate emergency measures should be taken: for skin contact, remove contaminated clothing and rinse thoroughly with plenty of water and soap for at least 15 minutes; if irritation persists, seek medical attention. For eye contact, rinse with flowing clean water or saline solution for at least 15 minutes, lifting eyelids to ensure adequate rinsing, and seek medical attention immediately. If inhaled, quickly move the person to fresh air, maintain airway patency; if necessary, administer oxygen or artificial respiration and seek medical attention. If ingested, rinse mouth with water, do not induce vomiting, never give anything by mouth to an unconscious person, and seek medical attention immediately. Technical Parameters ItemContent Product NameOctadecyl amine polyoxyethylene ether AC-1830 CAS No.26635-75-6 IonicityNonionic (weakly cationic) AppearanceLight yellow to yellow paste or solid Hazard ClassificationGeneral chemical, non-hazardous substance Storage TemperatureRecommended ≤40°C Application Suggestions This product is widely used in textile printing and dyeing, pesticide formulations, metalworking, household chemicals, and industrial cleaning, among others. In all these application scenarios, safety operation requirements are the same: wear appropriate protective equipment, maintain ventilation, keep away from fire and heat sources. Especially in situations such as industrial cleaning and metalworking that may involve high temperatures or open operations, ventilation and protective measures should be strengthened. Precautions Storage Environment: Store in a cool, dry, well-ventilated dedicated warehouse, keep container tightly closed, prevent moisture and contamination, avoid freezing and high temperature conditions. Away from Incompatible Substances: Keep away from strong oxidizers, acids, and other incompatible substances, away from ignition sources and heat sources, no smoking. Spill Handling: In case of spillage, immediately isolate the spill area, wear protective equipment, cover with inert absorbent material (such as sand, vermiculite) and collect into a closed container. Avoid spillage from entering sewers, water bodies, or ground water sources. Dispose of waste according to local regulations. Transportation Requirements: Transport as a general chemical, load and unload gently to prevent container damage, pay attention to moisture protection during transportation. Detailed Safety Information: The above are basic safety tips. For detailed safety information, please refer to the product Safety Data Sheet (SDS).

Question 8

How to use octadecylamine polyoxyethylene ether AC-1830? What is the recommended addition amount?

Accepted Answer

Octadecylamine polyoxyethylene ether AC-1830 is easy to use. The recommended addition amount varies by application field, typically 0.5%~5% of the total formula weight, and the specific amount needs to be determined through experiments. Detailed Description Octadecylamine polyoxyethylene ether AC-1830 (AC-1830) is a nonionic (weak cationic) surctant. At room temperature, it appears as a light yellow to yellow paste, easily soluble in water and organic solvents. When using, it can be directly added to the aqueous phase system, stirred or slightly heated (about 30-40°C) to accelerate dissolution and dispersion; or it can be pre-dissolved in a small amount of warm water before being added to the main formula. Due to its dual nonionic and weak cationic characteristics, it has excellent compatibility with anionic, cationic, and nonionic auxiliaries, making it highly compatible in various industrial formulations. During preparation, it is recommended to first dissolve AC-1830 in the aqueous phase or mix it evenly with other surctants in the formula, then add the oil phase or the target medium to be treated. This ensures thorough dispersion and optimal emulsification, wetting, or corrosion inhibition performance. Its low-foaming characteristics make it particularly suitable for processes requiring st defoaming or easy rinsing. is particularly suitable for process scenarios requiring rapid defoaming or easy rinsing. Application Recommendations Recommended addition amounts for different fields (based on industry general references, final dosage needs experimental verification): Textile Printing and Dyeing (Leveling Agent): Recommended dosage is 1~3 g/L of the dye bath, adjusted according to dye type, fiber type, and process conditions. Pesticide Formulations (Emulsifier): Recommended dosage is 2%~5% of the total formulation weight, can be compounded with anionic emulsifiers to improve emulsion stability. Metalworking Fluids (Corrosion Inhibitor/Lubricant): Recommended dosage is 0.5%~2% of the total working fluid weight, as a rust prevention or lubrication enhancing component. Personal Care Products (Softener/Antistatic Agent): Recommended dosage is 0.5%~3% of the total product weight, can be used synergistically with other cationic conditioners. Industrial Cleaning (Degreasing/Surctant): Recommended dosage is 1%~5% of the total cleaning solution weight, suitable for heavy oil degreasing and hard surce cleaning formulations. Technical Parameters ItemSpecification Appearance (25°C)Light yellow to yellow paste Ionic TypeNonionic (weak cationic) Active Content≥99% HLB Value16~17 Amine Value35~45 mg KOH/g pH Value (1% aqueous solution)6.0~8.0 Cloud Point (1% aqueous solution)＞100°C Foam CharacteristicsLow foam Freezing PointAbout 20~30°C Precautions The product has a freezing point of about 20~30°C. It may be solid at low temperatures, which is a normal physical phenomenon. Heat it in a water bath until it becomes fluid before use; this does not affect performance. The high HLB value (16~17) indicates excellent water dispersibility, suitable for O/W systems. Prolonged contact with acids or strong oxidizers may affect stability. Compatibility tests are recommended before compounding. All dosage recommendations are general starting ranges for the industry. The specific formulation needs to be optimized and stability verified based on the actual system.

Question 9

What are the main industries and processes where Octadecylamine Polyoxyethylene Ether AC-1830 is applied?

Accepted Answer

Octadecylamine Polyoxyethylene Ether AC-1830 is widely used in five major industries: textile dyeing and finishing, agrochemical formulations, metal processing, daily chemical products, and industrial cleaning. Its core functions cover process links such as leveling, antistatic, emulsification, corrosion inhibition lubrication, and decontamination degreasing. Detailed Description Octadecylamine Polyoxyethylene Ether AC-1830 (CAS No.: 26635-75-6) is a nonionic surctant based on tty amines, possessing dual characteristics of nonionic and weakly cationic properties. This unique molecular structure endows it with excellent intercial adsorption capacity and broad substrate affinity, making it irreplaceable in multiple industrial fields. The product appears as a light yellow to yellow paste or solid, with form changes depending on temperature, which is a normal physical phenomenon and does not affect performance. Thanks to its excellent emulsifying dispersibility, chemical stability (maintains stability under acidic, alkaline, and high-hardness water conditions), and good wetting and spreading properties, AC-1830 can stably function across a wide pH range and under complex operating conditions. Additionally, it has good compounding compatibility with anionic, cationic, and nonionic surctants, laying a foundation for its flexible application in various composite formulations. From a process adaptability perspective, AC-1830 can serve both as a single-functional additive (such as leveling agent, antistatic agent) for precise action and as a multifunctional component integrated into complex formulation systems (such as pesticide emulsifiable concentrates, metalworking fluids, daily chemical softeners, etc.), achieving multi-effect industrial value with a single agent. Detailed Application Fields and Processes Application Industry Specific Process/Use Functional Description Textile Dyeing and Finishing Leveling Agent Has excellent retarding and migration ability, helping dyes uniformly dye fibers, reducing color spots and color difference. Textile Dyeing and Finishing Antistatic Agent Reduces static buildup during synthetic fiber processing, preventing entanglement and dust attraction, improving spinnability and bric hand feel. Agrochemical Formulations Pesticide Emulsifier Stably disperses oily pesticide technical materials in water to form uniform emulsions, improving efficacy and storage stability. Metalworking and Antirust Corrosion Inhibitor Forms a protective film on metal surces, inhibiting corrosion from acids, water, and atmosphere, extending the service life of metal materials and workpieces. Metalworking and Antirust Lubricant Enhances lubricity during processes like cutting and drawing, reducing friction and processing temperature, improving machining accuracy and surce finish. Daily Chemical Products Antistatic Agent/Softener Added to laundry detergents and bric softeners to reduce static electricity generation in clothing, improving bric softness and rewettability by adsorbing onto fiber surces. Industrial Cleaning Nonionic Surctant Possesses excellent wetting, penetration, and emulsifying power, suitable for metal degreasing, hard surce cleaning formulations, efficient in removing oil stains with low foam and easy rinsing. Application Suggestions In formulation design, it is recommended to fully utilize the dual-ion characteristics of AC-1830 (predominantly nonionic with weak cationic properties) to achieve differentiated performance. For example, in textile leveling processes, its weak cationic property can be used to enhance affinity to fibers, improving leveling effect; in pesticide emulsification formulations, the nonionic property provides excellent emulsifying dispersibility, while the weak cationic feature enhances adhesion of the spray liquid to plant leaf surces. Due to its good compounding compatibility with anionic, cationic, and nonionic surctants, it is recommended to use it as a multifunctional synergistic component in complex formulation systems to reduce the variety of additives and simplify formulation structure. In metalworking fluid formulations, it can serve both lubricating and corrosion inhibition functions, achieving multi-purpose use with a single agent. Precautions It is recommended to wear protective gloves and goggles during operation to avoid direct contact with eyes and skin. In case of accidental contact, rinse immediately with plenty of water. Store in a cool, dry, and well-ventilated warehouse, with storage temperature recommended at ≤40°C, avoiding direct sunlight and high temperature environments. The product is a general chemical, not a hazardous material, but still requires adherence to standard chemical safety operating procedures. Keep away from strong oxidizers, acids, and other incompatible substances, and away from fire and heat sources.

Question 10

What are the physical and technical parameters of Stearylamine Polyoxyethylene Ether AC-1830?

Accepted Answer

Stearylamine Polyoxyethylene Ether AC-1830 is a special surctant with both nonionic and weakly cationic characteristics. Its core physical and chemical parameters cover chemical structure, HLB value, surce tension, and multiple functional indicators, providing stable comprehensive performance and wide application. Detailed Description Stearylamine Polyoxyethylene Ether AC-1830 (CAS No.: 26635-75-6) is a high molecular weight nonionic surctant obtained by adding 30 ethylene oxide (EO) units to stearylamine as the starting agent, with an average molecular weight of approximately 1590. The polyoxyethylene chain segment in its molecular structure imparts good water solubility and surce activity, while the tertiary amine group provides weak cationic characteristics, resulting in unique adsorption behavior at interces. At room temperature, the product is a light yellow to yellow paste with a freezing point of approximately 20-30°C. Its fluidity significantly increases when the temperature rises above 40°C. The most prominent technical feature of this product is its high HLB value (16~17), which determines its excellent emulsifying capability in oil-in-water (O\/W) systems. Meanwhile, the cloud point exceeds 100°C (1% aqueous solution), indicating that the hydrogen bonding between its nonionic chain segments and water molecules is extremely stable in atmospheric water-phase systems, making it suitable for high-temperature operating environments. The product's surce tension is approximately 32 mN\/m (1% aqueous solution, 25°C), and the critical micelle concentration (CMC) is between 0.02-0.05 g\/L, demonstrating its ability to effectively reduce intercial tension at very low concentrations. From chemical indicators, the solid content is ≥99%, water content ≤1.0%, and the active ingredient is extremely high. Both amine value and hydroxyl value are controlled within the range of 35~45 mg KOH\/g. The tertiary amine content is ≥95%, free alcohol content ≤1%, indicating a clear chemical structure with minimal by-products. Iodine value ≤1 and unsaturation ≤0.04 mol\/kg confirm high saturation of the tty chain and good oxidation resistance. Acid value ≤1 mg KOH\/g and saponification value ≤2 mg KOH\/g indicate stable chemical properties, making the product resistant to hydrolysis or rancidity. Technical Parameters Parameter CategoryParameter NameTypical Value\/Indicator Basic InformationChemical NameStearylamine Polyoxyethylene Ether (30EO) CAS Number26635-75-6 Molecular FormulaC18H39N·(C2H4O)30 or C78H159NO30 (average) Average Molecular Weight~1590 Ionic TypeNonionic (with weak cationic characteristics) Appearance (25°C)Light yellow to yellow paste Surce and Intercial PropertiesHLB Value16~17 Cloud Point (1% Aqueous Solution)>100°C Surce Tension (1% Aqueous Solution, 25°C)Approximately 32 mN\/m Critical Micelle Concentration (CMC, 25°C)0.02-0.05 g\/L Chemical Property IndicatorsAmine Value35~45 mg KOH\/g Hydroxyl ValueApproximately 35~45 mg KOH\/g Tertiary Amine Content≥95% Acid Value≤1 mg KOH\/g Saponification Value≤2 mg KOH\/g Iodine Value≤1 Physical PropertiesFreezing PointApproximately 20-30°C Density (25°C)Approximately 1.0 g\/cm³ Kinematic Viscosity (40°C)Approximately 150 mm²\/s Low Shear Viscosity (25°C)Approximately 300 mPa·s Refractive Index (40°C)Approximately 1.465 Flash Point (Closed Cup)>200°C Composition and StabilitySolid Content≥99% Water Content≤1.0% pH Value (1% Aqueous Solution)6.0~8.0 pH Value (5% Aqueous Solution)6.0~8.0 Chemical StabilityStable at room temperature; avoid prolonged contact with strong oxidizers Functional IndicatorsFoam CharacteristicsLow foam SolubilityEasily soluble in water and organic solvents Unsaturation≤0.04 mol\/kg Safety and QualityHeavy Metal Content≤10 mg\/kg Arsenic Content≤2 mg\/kg Data Source: Guoli Chemical Product Database Application Recommendations Based on the above technical parameters, the recommended usage of AC-1830 in different fields is as follows: As a textile leveling agent, the recommended dosage is 0.5~2.0 g\/L (based on dye bath volume), leveraging its high cloud point advantage to maintain stable dispersion under high temperature and high pressure dyeing conditions. When used in pesticide emulsifier formulations, 3%~8% of the product can be directly added to the oil phase to obtain a stable oil-in-water emulsion using the HLB value of 16~17. In metalworking fluids as a lubrication\/corrosion inhibition component, the recommended addition amount is 5%~15%, which can produce a synergistic effect when compounded with anionic rust inhibitors. In household laundry detergents or bric softeners, it is recommended to add 1%~5%, utilizing its weak cationic characteristics to achieve fiber adsorption and softening effects. Precautions Temperature Control: The product's freezing point is approximately 20-30°C. It may solidify in winter or low-temperature environments. Before use, it needs to be heated above 40°C to melt into a flowable liquid. This is a normal physical phenomenon and does not affect product performance. Incompatibility: Avoid prolonged contact with strong oxidizers (such as concentrated nitric acid, high-concentration peroxides, etc.) to prevent degradation of the polyoxyethylene chain segment. Storage Conditions: Recommended storage temperature is ≤40°C. Avoid high temperatures and freezing. Keep the container sealed to prevent moisture absorption (the product is hygroscopic). Safe Handling: Wear nitrile or neoprene gloves and chemical safety goggles during operation. Use in a well-ventilated area. In case of eye contact, rinse immediately with plenty of water for at least 15 minutes and seek medical attention.

Octadecylamine Ethoxylate AC-1830

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Amine Ethoxylate Applications

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Property	Value
CAS No.	26635-75-6
Molecular Formula	C18H39N·(C2H4O)30 or C78H159NO30 (avg.)
Appearance	Light yellow to yellow
Ionic Type	Nonionic
Avg. Molecular Weight	~1590
Cloud Point	>100°C (1%aq. soln.)
Active Content	≥99
pH Value(1%)	6.0~8.0
pH Value(5%)	6.0~8.0
Iodine Value	≤1
Solubility	Readily soluble in water and organic solvents
Surface Tension	~32 mN/m (1%aq. soln., 25°C)
CMC	0.02-0.05 g/L (25°C)
Acid Value	≤1 mg KOH/g
Saponification Value	≤2 mg KOH/g
Hydroxyl Value	~35~45 mg KOH/g
Moisture	≤1.0
Density	~1.0 g/cm³ (25°C)
Kinematic Viscosity	~150 mm²/s (40°C)
Refractive Index	~1.465 (40°C)
Flash Point	>200°C (closed cup)
Hygroscopicity	Hygroscopic
Chemical Stability	Stable at room temperature; avoid prolonged contact with strong oxidizers
Amine Value	35~45
Tertiary Amine Content	≥95
Foam Property	Low foam
Alkali Resistance	Stable under general alkaline conditions
Unsaturation	≤0.04 mol/kg
Melting Point	paste, freezing point~20-30°C
Low Shear Viscosity	~300 mPa·s (25°C)
Solid Content	≥99%
Free Alcohol	≤1%
Heavy Metal	≤10 mg/kg
Arsenic	≤2 mg/kg

Octadecylamine Ethoxylate AC-1830

Product Details

Applications

Properties

Safety

Product Overview

Amine Ethoxylate Applications

Product Properties

Safety

GHS

Handling

Storage

First Aid

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