Question 1

Is octadecyl polyoxyethylene ether AC-1812 harmful to the human body? Does it have any impact on the environment?

Accepted Answer

Octadecyl polyoxyethylene ether AC-1812 is a general chemical with relatively low harm to the human body under normal use conditions, but standard operating procedures must still be followed; its impact on the environment is mainly reflected in the risk of water pollution, requiring proper disposal of waste and avoidance of discharge into natural water bodies. Detailed Explanation Octadecyl polyoxyethylene ether AC-1812 (CAS No.: 26635-75-6) is a nonionic surctant managed as a general chemical. According to safety data provided by Guoli Chemical, the product itself is not a flammable solid, but it can melt and decompose at high temperatures, producing irritating or toxic fumes. Under normal industrial use conditions, as long as standard operating procedures are followed and appropriate protective equipment is worn, the risk to human health is controllable. From a toxicological perspective, this product may cause skin and eye irritation. In case of skin contact, immediately rinse thoroughly with soap and water for at least 15 minutes; for eye contact, rinse with plenty of running water and seek medical attention. Inhalation of dust or decomposition fumes may cause respiratory discomfort, and ingestion requires immediate mouth rinsing and medical attention. These emergency measures indicate that the product has local irritant properties but is not a highly toxic substance. Environmentally, as a surctant chemical, AC-1812 may have certain effects on aquatic organisms. The safety instructions from Guoli Chemical explicitly require that spills be "prevented from entering sewers, drains, or water bodies," and collected spilled material must be disposed of as chemical waste by qualified units. This indicates that release into the water environment could cause water pollution and disrupt aquatic ecosystem balance. Therefore, strict control of discharge during use and disposal is necessary. Key Safety Operation Points Personal Protection: It is recommended to wear dust masks, chemical safety goggles, and chemical-resistant gloves, as well as long-sleeved protective clothing. Ventilation Requirements: Workplaces should maintain good ventilation to avoid dust accumulation. Avoided Contact: Avoid contact with strong oxidizers, strong acids, and strong alkalis to prevent violent reactions. Site Management: Eating, drinking, and smoking are strictly prohibited in the work area. After work, thoroughly wash hands and exposed skin. Storage Conditions: Store in a cool, dry, well-ventilated warehouse at temperatures below 35°C, away from ignition sources, heat sources, and direct sunlight. Environmental Impact and Disposal Recommendations Water Protection: Do not discharge the product or wastewater containing the product into sewers, drains, or natural water bodies. Spill Handling: For solid spills, use non-sparking tools to sweep or vacuum, and place into dry, clean containers to avoid dust. Waste Disposal: Discarded product and collected spill material should be treated as chemical waste and disposed of by qualified professional units. Biodegradability: As a polyoxyethylene ether surctant, its biodegradation rate is related to the length of the EO chain. AC-1812 (containing 12 EO units) generally has lower biodegradability than products with shorter EO chains and may exhibit some persistence in the environment. Notes The above safety and environmental assessments are based on the product safety data sheet provided by Guoli Chemical and general chemical knowledge. For large-scale use or special conditions, it is recommended to obtain the complete Safety Data Sheet (SDS) and comply with local environmental regulations for management. This product exhibits cationic properties under acidic conditions, and its toxicity to aquatic organisms may be higher than under neutral conditions. Special attention should be paid to wastewater pH control during use.

Question 2

What should I do if problems occur during the use of Octadecylamine Polyoxyethylene Ether AC-1812? How to obtain technical support?

Accepted Answer

If you encounter usage problems, first check the operating conditions, then contact the Guoli Chemical technical team for professional support Detailed Explanation Problems during the use of Octadecylamine Polyoxyethylene Ether AC-1812 are usually related to storage conditions, operation procedures, system compatibility, or personnel protection. Common issues include product stratification or solidification, poor dispersion effect, uneven dyeing leveling, abnormal foam, and performance degradation after storage. For example, the product tends to become pasty or solid at low temperatures (below approximately 30°C). This is a normal physical state; gentle heating to 40-50°C restores fluidity without affecting quality. If color spots or poor leveling occur during high-temperature and high-pressure dyeing in textiles, key checks should include the dye bath pH (the product exhibits cationic properties under acidic conditions), heating rate, and the sequence of adding other auxiliaries (such as dispersants, acids, and chelating agents). If the problem involves the formulation system, it is recommended to troubleshoot from three dimensions: HLB value matching, dosage optimization, and feeding sequence. AC-1812 has an HLB value of approximately 13.5. Using the external phase inversion method (i.e., slowly adding the water phase to the oil phase containing AC-1812 under high shear) can obtain finer emulsions. In pesticide formulations or metal cleaning formulations, if emulsion stability is insufficient, try combining it with other nonionic emulsifiers with HLB values of 1-2. This product has excellent resistance to hard water, acids, and alkalis, but direct mixing with strong oxidizers or concentrated acids and alkalis should be avoided to prevent molecular chain degradation under extreme conditions. If the problem is not resolved after the above checks, or if it involves unknown impurities, abnormal odors, sudden color changes, etc., immediately stop using this batch, seal and retain samples, and contact the Guoli Chemical technical support team for professional analysis as soon as possible. Before contacting, please prepare the product batch number, production date, supplier information, and detailed process condition records of the problem occurrence. This will help engineers quickly identify the cause. Quick Troubleshooting Guide for Common Problems Problem PhenomenonPossible CauseSuggested Troubleshooting Measures Product is solid or paste-like, difficult to pourStorage temperature is below 30-40°C (product melting point range)Place the packaging drum in a 40-50°C water bath or warm room, heat slowly, stir intermittently, and use after returning to liquid state. Color spots or stains during dyeingImproper dye bath pH; incorrect feeding order; excessive heating rateCheck and adjust dye bath pH to acidic range for better leveling; pre-disperse AC-1812 in 40-50°C warm water before adding to the dye bath; control heating rate at 1-2°C/min. Insufficient antistatic performance in spinning oilInsufficient dosage; oil preparation temperature too low leading to poor dispersionIncrease the amount of AC-1812 appropriately in the oil formulation; ensure preparation temperature is 45-55°C and stirring time is at least 30 minutes. Pesticide emulsion stratification or precipitationHLB value mismatch; improper phase inversion methodUse the external phase inversion method; try introducing a co-emulsifier with an HLB value of 10-12; increase the dosage of AC-1812 to 4-6% appropriately. Cloudiness in the product aqueous solutionExcessive water hardness; too low water temperatureAC-1812 has good resistance to hard water (cloud point ≥90°C); cloudiness is usually due to uneven dispersion; pre-dissolve in 40-50°C soft water before dilution. Odor or color deepening after storagePoor sealing leading to moisture absorption; prolonged high temperature exposure; exceeding shelf lifeImmediately stop using this batch; check whether storage conditions meet ≤35°C, cool and dry requirements; shelf life is two years from the production date. Products beyond shelf life can only be used after passing re-inspection. How to Obtain Official Technical Support from Guoli Chemical Haian Guoli Chemical Co., Ltd. provides full lifecycle technical support for all its products. You can obtain professional assistance through the following channels: Contact the local authorized distributor or sales representative: The channel through which you purchased the product is the most direct technical response entry; the distributor can quickly transfer your query to the ctory engineers. Visit the official website online service: Submit a problem ticket through the technical support section of the Guoli Chemical official website. You will usually receive a reply within 1-2 working days. Call the headquarters technical hotline: Call the Guoli Chemical technical department directly, providing the product batch number, application scenario, and problem description to receive real-time diagnostic guidance. Send samples for analysis: For complex quality issues related to batches, mail about 200 grams of retained samples and blank control samples to the Guoli Chemical Quality Control Center. The laboratory will issue a detailed analysis report within 5 working days. Precautions Operators must be specially trained and miliar with product characteristics. Maintain good ventilation in the workplace and avoid mixing with strong oxidizers, acids, alkalis, and food or feed. In case of skin or eye contact, follow the emergency measures in the safety instructions: rinse skin with soapy water for at least 15 minutes; rinse eyes with running clean water for at least 15 minutes and seek medical attention immediately; if ingested, do not induce vomiting in unconscious individuals, and seek medical treatment with this safety instruction as soon as possible. The product is managed and transported as general chemicals. The shelf life is two years from the production date. Products beyond the shelf life can only be used after passing re-inspection by the Guoli Chemical technical department. It is strictly forbidden to use in critical processes without confirmation.

Question 3

How to purchase Octadecyl Amine Polyoxyethylene Ether AC-1812? What is the minimum order quantity?

Accepted Answer

You can directly purchase Octadecyl Amine Polyoxyethylene Ether AC-1812 through the official sales channels of Haian Guoli Chemical Co., Ltd. The minimum order quantity is typically 1 drum (50kg). For specific pricing, please consult the sales team for real-time quotations. Detailed Description Octadecyl Amine Polyoxyethylene Ether AC-1812 (CAS No.: 26635-75-6) is one of the core products of Guoli Chemical, supplied in standardized industrial packaging. According to the Guoli Chemical product database, the conventional packaging specifications for this product are 50kg plastic drums, 200kg plastic drums, and IBC totes, allowing customers to flexibly choose packaging forms based on actual production needs. p> The price of chemical raw materials is influenced by various ctors such as raw material costs, market supply and demand, and order quantity. The price information in the database is for reference only. To ensure you obtain the most competitive quotation, it is recommended to directly contact the Guoli Chemical sales department, providing your estimated annual usage, target application field, and packaging preferences. The sales engineer will tailor an optimal procurement plan for you. First-time cooperating customers can usually apply for free samples for application testing to verify the compatibility and performance of the product in your specific formulation. The standard delivery time is 3-7 working days after order confirmation. Bulk orders and special packaging requirements may require additional production time, so please confirm inventory status with the sales team in advance. Packaging Specifications Overview Packaging TypeNet WeightApplicable Scenario Small Plastic Drum50 kgR&D experiments, small batch trials, customers with low monthly usage Standard Plastic Drum200 kgRegular industrial production, medium-quantity customers IBC ToteApproximately 1000 kgLarge-scale continuous production, major end-users Procurement Suggestions 1. Clarify Technical Requirements: Before purchasing, confirm the key indicators of the required product, such as amine value (70~85 mg KOH/g), HLB value (approximately 13.5), and cloud point (≥90℃), so that the sales team can precisely match the batch. 2. Request COA Report: Each batch of product is accompanied by a Certificate of Analysis (COA). You can request it in advance to ensure the indicators meet your company's incoming inspection standards. 3. Transportation Precautions: This product is classified as a general chemical and can be transported under normal conditions. Drummed products should be prevented from tipping over and collision during transport, ensuring the packaging is sealed properly. IBC totes require dedicated pallet fixation for transportation. Notes The above price information is reference data from the national database. The actual transaction price is subject to the official quotation from the Guoli Chemical sales team. The product shelf life is two years from the date of production (under original sealed, cool, and dry conditions). Plan your procurement volume reasonably according to your own usage to avoid storage beyond the expiration date. If export procurement is needed, please inform the sales team in advance to cilitate the provision of necessary hazardous chemical classification identification reports and customs code assistance.

Question 4

Does octadecyl polyoxyethylene ether AC-1812 meet environmental protection requirements? Can you provide a test report?

Accepted Answer

Octadecyl polyoxyethylene ether AC-1812 has good basic environmental characteristics in conventional industrial applications, but for specific information on formal environmental certifications and test reports, please contact Guoli Chemical directly. Detailed Explanation According to the Guoli Chemical product database, AC-1812 is a non-ionic surctant and is managed as a general chemical. Based on its physicochemical indicators, this product does not contain free phosphoric acid, phosphate monoesters, phosphate diesters, or bound phosphorus, which is a positive sign from an environmental perspective—it means it will not directly cause water eutrophication issues due to phosphorus emissions. The heavy metal content of the product is controlled at a low level (total lead, mercury, cadmium, etc. ≤10 mg\/kg), arsenic content ≤2 mg\/kg, and active matter content is as high as over 99%, indicating high purity and low impurities. These indicators generally meet the basic environmental compliance requirements of most industrial application scenarios. However, it is important to note that the database does not include the certification status or declaration of conformity of this product with specific regulations (such as EU REACH, RoHS, or current Chinese environmental standards). In terms of waste disposal, the product safety instructions clearly state that spills should be treated as chemical waste and disposed of by qualified units, and must not be discharged into sewers or water bodies, reflecting the environmental management requirements throughout the entire chain from use to disposal. Overall, the low phosphorus, high purity, and low heavy metal characteristics of AC-1812 give it vorable initial environmental conditions. However, whether it can meet the specific environmental standards of your project or region needs to be verified item by item based on specific requirements. Technical Parameters The following are quantifiable indicators related to environmental assessment (data source: Guoli Chemical product database): Indicator ItemValueEnvironmental Relevance Description Active Matter Content≥99%High purity reduces impurity introduction and lowers environmental load Total Heavy Metals≤10 mg\/kgCommon sensitive indicator in environmental regulations Arsenic Content≤2 mg\/kgLimit control of toxic elements Free Phosphoric Acid\/Phosphate Esters\/Bound PhosphorusNonePhosphorus-free formula reduces risk of water eutrophication Iodine Value≤1Extremely low unsaturation, chemically stable, predictable degradation pathway Regarding Test Reports The Guoli Chemical product database currently does not include third-party test reports, SGS reports, or RoHS\/REACH compliance declarations for AC-1812. Test reports are generally customized service documents whose content depends on customer requirements (e.g., specific industry standards, export destination country regulations), and thus are not publicly available in the general product database. To obtain test reports (such as heavy metal testing, halogen content, environmental compliance declarations, etc.), it is recommended to: directly contact Guoli Chemical's sales or technical support team, specifying the testing items and applicable standards you need (such as GB\/T, ISO, REACH, RoHS, etc.), so that the company can provide corresponding batch test reports or compliance declarations. Unopened original products have a shelf life of two years under appropriate storage conditions. It is recommended to confirm the matching of batch information when requesting documents. Precautions The above data on heavy metals and arsenic content are from Guoli Chemical's general product specifications. Minor fluctuations may exist between different batches. For details, please refer to the batch test report. Thermal decomposition may produce irritating or toxic fumes. In actual wastewater treatment, attention should be paid to wastewater COD and biodegradability. It is recommended to conduct small-scale tests to verify process compatibility. If you have specific environmental certification requirements (such as ZDHC, Bluesign, GOTS, or other textile industry environmental standards), please confirm product certification coverage with Guoli Chemical's technical department before purchase. The database currently has no such information.

Question 5

What are the advantages of Octadecylamine Polyoxyethylene Ether AC-1812 compared to other similar products?

Accepted Answer

According to the technical data from Guoli Chemical, compared to similar products, the core advantages of Octadecylamine Polyoxyethylene Ether AC-1812 lie in its **higher effective content (≥99%), unique dual nonionic/weak cationic characteristics, excellent hard water resistance and acid-alkali stability, as well as its efficient performance integrating multiple functions such as emulsification, dispersion, leveling, and antistatic properties**. ### Detailed Explanation The outstanding performance of AC-1812 in industries such as textiles, plastics, and pesticides is mainly attributed to the following characteristics: 1. **Ultra-high Effective Content**: The product from Guoli Chemical boasts an effective content of **≥99%** and a moisture content of **≤0.5%**. This means it contains minimal impurities and extremely high active components, achieving excellent results at low dosages, thus offering better cost performance. 2. **Dual Ionic Characteristics**: As a nonionic surctant, it is compatible with various anionic and cationic auxiliaries. Additionally, its tertiary amine structure protonates under acidic conditions, exhibiting cationic characteristics, allowing it to firmly adsorb onto negatively charged fibers, plastics, or metal surces—an advantage not found in many ordinary nonionic surctants. 3. **Hard Water Resistance and High Cloud Point**: It maintains stable performance in hard water without interference from calcium and magnesium ions. Its 1% aqueous solution has a cloud point of **≥90℃**, fully meeting the requirements for high-temperature (above 130℃) and high-pressure dyeing processes of polyester, whereas many similar products tend to precipitate or il at high temperatures. 4. **Low Foaming Characteristic**: Being a low-foam product, it offers significant advantages in industrial circulating water, textile dyeing, and other processes requiring rapid water passage, effectively reducing problems caused by foam. 5. **Multifunctional Integration**: One product provides multiple functions simultaneously, not only simplifying formulations but also avoiding potential conflicts among various auxiliaries, thus reducing overall formulation costs. ### Core Advantage Data Comparison The following is a comparison of performance based on the technical parameters of AC-1812 with common ordinary dodecylamine polyoxyethylene ether (1215) types or other ethoxylated amine products with lower content on the market: | Performance Indicator | **Guoli Chemical AC-1812** | Ordinary Similar Products | | :--- | :--- | :--- | | **Effective Content** | **≥99%** | Usually 95% or lower | | **Ionic Characteristics** | Nonionic/Cationic under acidic conditions (dual characteristics) | Mostly purely nonionic | | **1% Aqueous Solution Cloud Point** | **≥90℃** | Some products below 80℃, unstable at high temperatures | | **Tertiary Amine Content** | **≥95%** | Some products contain more primary/secondary amine impurities, affecting performance | | **Hard Water Resistance** | Excellent, unaffected by calcium and magnesium ions | Some products may precipitate or have reduced effectiveness in hard water | | **Foaming Characteristics** | Low foam | Medium to high foam, may affect processes and cleaning | | **Main Application Functions** | Leveling, antistatic, emulsification, dispersion, corrosion inhibition in one | Relatively single function, difficult to cover multiple aspects | ### Application Recommendations Based on the above advantages, AC-1812 performs particularly well in the following applications: - **Textile Dyeing and Printing (Recommended dosage: 1~3 g/L)**: As a high-temperature and high-pressure leveling agent for polyester/acrylic blended brics, it effectively solves dyeing issues like color spots and uneven dyeing, while imparting good hand feel to the bric. - **Plastic Antistatic (Recommended addition amount: 0.5%~2%)**: As an internal antistatic agent, it quickly migrates to the surce in materials like PP and PE, providing long-lasting and stable antistatic effects. - **Pesticide Emulsification (Recommended dosage: 5%~10%)**: As an emulsifier in emulsifiable concentrates or microemulsions, it adapts to different water qualities and ensures long-term stability of the pesticide formulation. - **Metalworking Cleaning (Recommended dosage: 2~5 g/L)**: In acidic cleaners, it exhibits excellent corrosion inhibition and penetration effects, protecting metal workpieces. ### Precautions During use, leverage its dual characteristics of being nonionic and cationic under acidic conditions. To enhance its cationic adsorption function, adjust the system pH to acidic. For storage, keep it sealed and stored in a cool, dry place, preferably at temperatures below 35℃.

Question 6

How to store Octadecyl Polyoxyethylene Ether AC-1812? What is the shelf life?

Accepted Answer

Octadecyl Polyoxyethylene Ether AC-1812 should be stored in a cool, dry, well-ventilated warehouse (temperature below 35°C). Under original sealed conditions, the shelf life is two years from the date of production. Detailed Description Octadecyl Polyoxyethylene Ether AC-1812 (also known as Leveling Agent AC-1812, Antistatic Agent AC-1812) is managed as a general chemical. The product appears as a light yellow to yellow paste or viscous liquid. Proper storage is crucial for maintaining product performance - this product has good thermal stability and resistance to acids and alkalis, but improper storage conditions may still lead to moisture absorption, deterioration, or performance degradation. The product exhibits cationic characteristics under acidic conditions, and the polyoxyethylene chain segments in its molecular structure have certain hygroscopicity. Therefore, it should be immediately resealed after opening to prevent moisture absorption or contamination with impurities. The storage area should be clearly labeled with chemical identifiers, equipped with leakage emergency collection devices and appropriate fire-fighting equipment, and inspected regularly. Storage Conditions Storage RequirementSpecific Description Temperature ControlMaintain warehouse temperature below 35°C, avoid drastic temperature fluctuations Environmental RequirementCool, dry, well-ventilated dedicated warehouse Light RequirementKeep away from ignition sources, heat sources, and direct sunlight Package SealingContainers must remain sealed; reseal immediately after opening Isolated StorageStore strictly separately from oxidizers, acids, alkalis, flammable items, and food or feed Shelf LifeUnder original sealed conditions meeting the above storage requirements, the shelf life is two years from the date of production Application Recommendations It is recommended to check the product appearance (light yellow to yellow paste or viscous liquid) before use. If there is abnormal discoloration, separation, or odor, discontinue use. For long-term stored products, it is advisable to use them up within a reasonable period after opening to avoid moisture absorption and contamination caused by repeated opening. If the product is in paste form, it can be moderately heated before use for easier handling, but the heating temperature should not be too high. Precautions It is recommended to wear dust masks, chemical safety goggles, chemical-resistant gloves, and long-sleeved protective clothing during operation. During transportation, prevent packaging damage and avoid mixing with strong oxidizers. In case of leakage, carefully sweep up using non-sparking tools, place into dry, clean, lidded containers, and dispose of through qualified units to prevent entry into sewers or water bodies. This product is not classified as flammable solid, but may melt and decompose at high temperatures, producing irritating or toxic fumes. Suitable extinguishing media: water fog, alcohol-resistant foam, dry powder, carbon dioxide.

Question 7

What safety precautions should be taken when using octadecylamine polyoxyethylene ether AC-1812?

Accepted Answer

When using octadecylamine polyoxyethylene ether AC-1812, special attention should be paid to four key safety aspects: personal protection, ventilation and storage, leakage emergency response, and first aid measures. Although this product is managed as a general chemical, it can decompose at high temperatures to produce irritating fumes, so standard protective measures must be followed during operation. Detailed Explanation Octadecylamine polyoxyethylene ether AC-1812 (CAS No.: 26635-75-6) is a non-ionic surctant that exhibits cationic characteristics under acidic conditions. The product appears as a light yellow to yellow paste or viscous liquid and is managed as a general chemical. Although it is not classified as a flammable solid, it can melt and decompose at high temperatures, producing irritating or toxic fumes. Therefore, special caution is required during thermal processing or high-temperature operations. The core of operational safety lies in the three dimensions of "preventing contact, preventing inhalation, and preventing leakage." Direct skin contact may cause irritation, inhalation of dust or vapor may cause respiratory discomfort, and eye contact may lead to irritation. Therefore, operators must undergo specialized training and be thoroughly miliar with the product characteristics and operating procedures before starting work. Eating, drinking, and smoking are strictly prohibited in the work area. After operations, hands and exposed skin should be thoroughly washed. In daily safety management, contact with strong oxidizers, strong acids, and strong bases should be avoided to prevent violent reactions. During handling, containers should be kept stable to prevent tipping, and tools that do not produce sparks should be used. Packaging containers must be kept sealed, and immediately resealed after opening to prevent moisture absorption or contamination. Key Points for Safe Operation and Protection Personal Protective Equipment Requirements Protected AreaProtective Equipment Requirements Respiratory systemWear an approved dust mask; use a dust respirator in high concentration or poorly ventilated areas EyesWear chemical safety goggles HandsWear chemical-resistant gloves BodyWear long-sleeved protective clothing to avoid exposed skin Storage Condition Requirements Storage ItemSpecific Requirements Temperature controlKeep below 35°C, avoid drastic temperature fluctuations Environmental requirementsCool, dry, well-ventilated, away from ignition sources, heat sources, and direct sunlight Packaging managementContainers must be kept sealed; immediately reseal after opening to prevent moisture absorption Isolation storageStrictly separate from oxidizers, acids, bases, flammable materials, food, and feed Shelf lifeTwo years from the date of production under original, sealed conditions meeting the above storage requirements Emergency Treatment Measures Accident TypeEmergency Treatment Method Skin contactImmediately remove contaminated clothing and thoroughly flush with plenty of soap and water for at least 15 minutes; if irritation or swelling occurs, seek medical attention immediately Eye contactRinse eyelids and eyes gently with an eyewash station or plenty of running water for at least 15 minutes, keeping eyelids open; do not apply any ointment; immediately transfer to an ophthalmologist InhalationQuickly move the person to fresh air, loosen collar to maintain airway; if breathing is difficult, trained personnel should administer oxygen; if breathing or heartbeat stops, immediately perform CPR IngestionImmediately rinse mouth with plenty of water, drink ample warm water (about 300-500 ml), induce vomiting cautiously under medical guidance; do not induce vomiting in unconscious persons; seek medical attention as soon as possible LeakageEvacuate non-emergency personnel, isolate the contaminated area, and set up warning signs; handlers must wear full protective equipment; carefully sweep up or vacuum solid materials using non-sparking tools, place in dry, clean, covered containers; avoid dust generation; dispose of collected material by qualified units; prevent entry into sewers or waterways FireSuitable extinguishing agents: water spray, alcohol-resistant foam, dry powder, carbon dioxide; firefighters must wear positive-pressure self-contained breathing apparatus and full protective equipment; continuously spray water to cool containers exposed to fire Application Recommendations In different application scenarios, safety considerations vary: High-temperature leveling in textile dyeing: The process temperature is relatively high, so ensure good ventilation in the work area to prevent accumulation of fumes from product decomposition at high temperatures. The product decomposes at high temperatures, producing irritating or toxic fumes. Therefore, special attention is required during thermal processing or high-temperature operations. Antistatic treatment in plastic additives: Mixing into plastic substrates may involve thermal processing, so attention should be paid to protection against inhalation of thermal decomposition products. Metal surce cleaning and protection: If formulations include acids or bases, compatibility must be verified to avoid violent reactions from improper mixing. Emulsification in pesticide formulations: Prevent splashing during operation, avoid contact with skin and eyes, and operate under a fume hood or local exhaust ventilation if necessary. General recommendations: In all application scenarios, the operation area should be equipped with leakage emergency collection devices and appropriate fire-fighting equipment, and these should be inspected regularly. Notes The warehouse should be equipped with leakage emergency collection devices and appropriate fire-fighting equipment, and these should be inspected and maintained regularly. Storage areas should have clear chemical identification for easy recognition and emergency response. During transport, prevent packaging damage and avoid mixing with strong oxidizers. For detailed toxicological and ecological information, refer to the relevant Safety Data Sheet (SDS). The above data comes from the product database of Guoli Chemical. Specific operations should be carried out in accordance with actual site conditions and relevant regulatory requirements.

Question 8

How to use Octadecylamine polyoxyethylene ether AC-1812? What is the recommended dosage?

Accepted Answer

The usage method of Octadecylamine polyoxyethylene ether AC-1812 varies depending on the application field. The recommended dosage is usually 0.5%~5% of the total system weight, and the specific amount should be determined through experiments based on process conditions and formula requirements. Detailed Description Octadecylamine polyoxyethylene ether AC-1812 (CAS: 26635-75-6) is a nonionic surctant, appearing as a light yellow to yellow paste or viscous liquid. Its HLB value is about 13.5, with good water dispersibility and excellent emulsifying, dispersing, and antistatic properties. The product is in paste form at room temperature (melting point about 30~40°C). It is recommended to heat it to 40~50°C to melt or soften it before use for accurate weighing and uniform dispersion. Since the product has an active content of ≥99%, it can be added directly to the formula system or pre-dispersed into a solution of a certain concentration with warm water (40~60°C) before addition, which cilitates rapid and uniform distribution in the system. Under acidic conditions, the tertiary amine group in AC-1812 will protonate and exhibit cationic characteristics. Therefore, if the formula requires its cationic functions (such as adsorption on negatively charged surces, antistatic properties), it is recommended to adjust the system pH to an acidic range (pH 4~6). Under neutral or alkaline conditions, the product mainly exhibits nonionic characteristics and has better compatibility with other nonionic and anionic auxiliaries. The product cloud point is ≥90°C (1% aqueous solution), providing excellent stability in high temperature high pressure dyeing processes. AC-1812 is a low-foam product with moderate foaming performance, which is advantageous in processes requiring low foam. Its surce tension is about 30~35 mN\/m (25°C), and the critical micelle concentration (CMC) is about 0.01~0.1 g\/L (25°C), indicating that it can exert surce activity at low concentrations. In practical applications, the dosage should be calculated as a weight percentage of the formula system. It is recommended to start with a lower dosage and gradually optimize to achieve the most cost-effective effect. Application Recommendations Recommended reference dosages (based on total formula weight) for different application fields are as follows: Application FieldRecommended DosageKey Usage Points Textile high temperature high pressure leveling0.5%~2%Add directly to dye bath, or pre-disperse before addition; use in the same bath with disperse dyes Synthetic fiber spinning oil5%~15%As one component of the oil, compounded with other smoothing agents and emulsifiers Internal antistatic agent for plastics0.3%~2%Mix with resin pellets and extrude into granules, or directly process by injection\/blow molding Metal cleaning and corrosion inhibition1%~5%Prepare cleaning working solution, used with acid washing or neutral cleaning processes Pesticide emulsifier2%~8%Used to prepare emulsifiable concentrates or microemulsions; better effect when compounded with anionic emulsifiers Leather tliquoring and leveling0.5%~3%Add to tliquoring agent or dyeing bath to improve leather feel and color uniformity Paper deinking0.1%~0.5% (based on absolutely dry waste paper)Add to the deinking pulping section, synergizing with other deinking chemicals Note: The above dosages are industry generic reference ranges. The actual optimal dosage should be determined through experiments based on specific raw materials, equipment, and process conditions. Guoli Chemical recommends conducting small-scale tests before launching new formulas or processes. In water-based formulas, the following operation procedure is recommended: Heat an appropriate amount of deionized water to 50~60°C, slowly add the measured AC-1812 under stirring, stir for 15~30 minutes until completely dispersed and dissolved, then cool the solution for later use. If compounding with other surctants, they can be added together during this process. In oil-based systems or plastic processing, the melted AC-1812 can be directly mixed with base oil or resin until uniform. Precautions Heating temperature control: The temperature should not exceed 80°C during melting to avoid local overheating that may cause color deepening or performance changes. Application in acidic systems: If the product needs to exhibit cationic characteristics, first adjust the system to acidic, then add AC-1812 and stir to disperse, achieving the best antistatic and adsorption effects. Moisture-proof storage: The product is slightly hygroscopic. After opening, reseal immediately to avoid moisture absorption affecting weighing accuracy and product quality. Under sealed, cool, and dry conditions, the shelf life is two years from the date of production. Safety protection: It is recommended to wear protective gloves and goggles during operation to avoid direct contact with skin and eyes. For details, refer to the product safety data sheet.

Question 9

What are the main industries and processes where octadecylamine polyoxyethylene ether AC-1812 is primarily used?

Accepted Answer

Octadecylamine polyoxyethylene ether AC-1812 is widely used in seven major industries including textile printing and dyeing, synthetic fibers, plastics, metal processing, pesticide formulations, leather, and papermaking, and is a multifunctional nonionic surctant. Detailed Description Octadecylamine polyoxyethylene ether AC-1812 (CAS No.: 26635-75-6) is a nonionic surctant with excellent performance. Its molecular structure combines a long-chain alkyl group (octadecyl chain) with 12 polyoxyethylene chain segments, exhibiting cationic characteristics under acidic conditions. This unique molecular design endows the product with multiple functions such as excellent emulsification, dispersion, antistatic, smoothing, and corrosion inhibition, making it widely used in many industrial fields. The core advantage of this product lies in its wide pH adaptability and hard water resistance, unaffected by calcium and magnesium ions, maintaining stable surce activity even under harsh conditions such as high temperature and high pressure. In the textile printing and dyeing industry, it plays an irreplaceable role as a core component of high-temperature and high-pressure leveling agents for polyester fibers. In the plastics industry, it provides long-lasting antistatic effects through internal addition. In the metal processing field, it combines cleaning, corrosion inhibition, and rust prevention functions, achieving multiple uses in one agent. In terms of product form, AC-1812 appears as a light yellow to yellow paste or viscous liquid, with good water dispersibility and excellent thermal stability, suitable for high-temperature processing processes. These characteristics make it an ideal choice for reducing the types of auxiliaries and optimizing costs in industrial formulations. Application Details by Industry Industry Field Application Process/Scenario Function Textile Printing and Dyeing High-temperature and high-pressure dyeing of polyester and its blended brics As an efficient leveling agent, improves dye dispersion, ensures uniform color consistency, and guarantees dyeing reproducibility Synthetic Fiber Processing Component of spinning oil agent Provides antistatic properties and fiber smoothness, reduces fiber friction, and improves spinnability Plastics Industry Internal addition type antistatic treatment Long-term reduction of surce resistance of plastics, preventing static electricity accumulation, suitable for packaging films, electronic devices, etc. Metal Processing and Rust Prevention Surce cleaning, acid pickling corrosion inhibition, rust prevention treatment Forms a protective film to slow down corrosion, protect metal substrates, and improve subsequent processing quality Pesticide Formulations Preparation of emulsifiable concentrates, microemulsions, and aqueous suspensions Efficient emulsification and dispersion, enhancing drug liquid stability and application effects Leather Processing tliquoring and dyeing processes Improves leather softness and dye uptake uniformity, reducing the risk of uneven color Papermaking Industry Deinking of waste paper and fiber dispersion Promotes ink detachment, assists fiber dispersion, improves pulp cleanliness and paper uniformity Application Recommendations When using AC-1812 in different industries, the following points should be noted: In high-temperature and high-pressure leveling for textiles, it can be compounded with other dyeing auxiliaries, utilizing its cationic characteristics under acidic conditions to enhance affinity for polyester fibers. In plastic antistatic applications, it is mixed into the base material via internal addition, and the dosage should be adjusted based on the resin type and target resistance value. In metal processing cleaning formulations, it can be compounded with nonionic or anionic surctants to achieve synergistic effects. In the field of pesticide formulations, AC-1812 is particularly suitable for use in emulsifiable concentrate and microemulsion systems. Its excellent emulsification and dispersion capabilities effectively improve the dispersion uniformity and emulsion stability of active pesticide ingredients. In papermaking deinking processes, it is recommended for use under neutral or weakly alkaline conditions to fully exert its dual effects of ink detachment and fiber dispersion. Precautions During operation, it is recommended to wear dust masks, chemical safety goggles, chemical-resistant gloves, and long-sleeved protective clothing. Store in a cool, dry, and well-ventilated warehouse at temperatures below 35°C, away from direct sunlight. Should be stored separately from oxidizers, acids, alkalis, and flammable items. Under original sealed conditions, the shelf life is two years from the date of production. The product is inherently nonionic but exhibits cationic characteristics under acidic conditions; formulation compatibility must be considered during product design.

Question 10

What are the physicochemical technical parameters of Stearylamine Polyoxyethylene Ether AC-1812?

Accepted Answer

Stearylamine Polyoxyethylene Ether AC-1812 (CAS: 26635-75-6) is a nonionic surctant, appearing as a light yellow to yellow paste or viscous liquid at room temperature, with an HLB value of about 13.5, and exhibits excellent emulsifying, dispersing, and antistatic properties. Detailed Description Stearylamine Polyoxyethylene Ether AC-1812, chemically named Stearylamine Polyoxyethylene (12) Ether, has a molecular formula of approximately C₁₈H₃₇N(CH₂CH₂O)₁₂H and a molecular weight of about 800. It belongs to nonionic surctants but can exhibit cationic characteristics under acidic conditions. The product appearance is a light yellow to yellow paste or viscous liquid, slightly hygroscopic. It remains stable over a wide pH range, resistant to dilute acids and alkalis, and has excellent hard water resistance, unaffected by calcium and magnesium ions. This product is highly soluble in water and various organic solvents. The pH value of its 1% aqueous solution is stable between 6.0 and 8.0. As a low-foaming surctant, the cloud point of its 1% aqueous solution is not less than 90°C, indicating its suitability for high-temperature and high-pressure process environments. Its surce tension is approximately 30-35 mN/m, and the critical micelle concentration (CMC) ranges from 0.01 to 0.1 g/L, demonstrating efficient intercial activity. According to actual product data from the Guoli Chemical database, the effective substance content (solid content) of this product is not less than 99%, and the moisture content is controlled below 0.5%. The tertiary amine content is as high as 95% or more, with extremely low acid value and iodine value (both ≤1), indicating high product purity and good color stability. Its melting point is between 30-40°C, and the flash point is above 100°C, ensuring safety during storage, transportation, and thermal processing. Technical Parameters Below are the detailed physicochemical technical parameters of Stearylamine Polyoxyethylene Ether AC-1812 (data source: Guoli Chemical Product Database): Parameter CategoryItemSpecification/Typical Value Basic InformationCAS Number26635-75-6 Ionic TypeNonionic (cationic under acidic conditions) Appearance (25°C)Light yellow to yellow paste or viscous liquid Physicochemical IndicatorsActive Substance Content (Solid Content)≥99% Moisture≤0.5% pH Value (1% Aqueous Solution)6.0 ~ 8.0 HLB ValueApprox. 13.5 Melting PointApprox. 30 ~ 40°C Solubility & StabilitySolubilityEasily soluble in water and organic solvents Cloud Point (1% Aqueous Solution)≥ 90°C Chemical StabilityStable, resistant to dilute acids and alkalis Surce & Intercial PropertiesSurce Tension (25°C)Approx. 30-35 mN/m Critical Micelle Concentration (CMC, 25°C)Approx. 0.01-0.1 g/L Foaming PropertiesLow foam Penetration PowerModerate HygroscopicitySlightly hygroscopic Characteristic Values & CompositionTertiary Amine Content≥ 95% Amine Value70 ~ 85 mg KOH/g Hydroxyl Value65 ~ 85 mg KOH/g Acid Value≤ 1 mg KOH/g Iodine Value≤ 1 (extremely low unsaturation) Saponification ValueNone Physical ParametersDensity (20°C)Approx. 1.0 g/cm³ Kinematic Viscosity (40°C)Approx. 200-400 mm²/s (approx. 200-400 mPa·s) Refractive Index (20°C)Approx. 1.460-1.470 Flash Point> 100°C Safety & PackagingHeavy Metal Content≤ 10 mg/kg Arsenic (As) Content≤ 2 mg/kg Shelf LifeTwo years (original sealed packaging) Conventional Packaging50kg plastic drum / 200kg plastic drum / IBC tote Application Recommendations Based on its physicochemical properties, AC-1812 performs exceptionally well in high-temperature and high-pressure environments (e.g., polyester dyeing, cloud point >90°C). Its low-foaming characteristic is beneficial for industrial cleaning and circulating systems, while its high HLB value (approx. 13.5) makes it highly suitable as an O/W emulsifier. In pesticide formulations, textile leveling agents, and plastic antistatic treatments, the recommended dosage is typically 0.2% to 2.0% of the total formulation weight, which should be determined through compatibility tests. Precautions Temperature Control: The product's melting point is approximately 30-40°C. Under low temperature conditions, it may become pasty or solidify. Heating to 40-50°C with appropriate stirring can restore fluidity without affecting performance. Storage Conditions: It should be stored sealed in a cool, dry place (recommended below 35°C). Due to its slight hygroscopicity, reseal promptly after opening to prevent moisture absorption. Operational Protection: Although the product has low toxicity, it is recommended to wear chemical safety goggles and chemical-resistant gloves during operation to avoid direct eye contact and prolonged skin exposure.

Octadecylamine Ethoxylate AC-1812

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Property	Value
CAS No.	26635-75-6
Molecular Formula	C18H37N(CH2CH2O)12H
Appearance	Light yellow to yellow
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 800
Cloud Point	≥90°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	~30-35 mN/m (25°C)
CMC	~0.01-0.1 g/L (25℃)
Acid Value	≤1 mg KOH/g
Hydroxyl Value	65-85 mg KOH/g
Moisture	≤0.5
Density	~1.0 g/cm³ (20°C)
Kinematic Viscosity	~200-400 mm²/s (40°C)
Refractive Index	~1.460-1.470 (20°C)
Flash Point	>100°C
Hygroscopicity	Slightly hygroscopic
Chemical Stability	Stable under normal conditions; resistant to dilute acids and alkalis
Amine Value	70~85
Tertiary Amine Content	≥95
Penetration	Moderate penetration
Foam Property	Low foam
Alkali Resistance	Alkali resistant
Unsaturation	Very low, ~0
Viscosity	~200-400 mPa·s (40°C)
Melting Point	~30-40°C
Low Shear Viscosity	~200-400 mPa·s (40℃)
Solid Content	≥99%
Heavy Metal	≤10 mg/kg
Arsenic	≤2 mg/kg

Octadecylamine Ethoxylate AC-1812

Product Details

Applications

Properties

Safety

Product Overview

Amine Ethoxylate Applications

Product Properties

Safety

GHS

Handling

Storage

First Aid

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