Question 1

Is MOA-7 (AEO-7) harmful to humans? Does it have an impact on the environment?

Accepted Answer

MOA-7 (AEO-7) is a low-toxicity substance that is irritating to the skin and eyes, harmful if swallowed, and poses certain hazards to aquatic organisms. Standard operating procedures and proper waste disposal are required. Detailed Explanation MOA-7 (AEO-7), i.e., C12-14 tty alcohol polyoxyethylene (7) ether, is classified as a low-toxicity substance under the Globally Harmonized System of Classification and Labeling of Chemicals (GHS). The risk is manageable when used in normal industrial and household formulations. However, in its undiluted form, it poses local irritation and acute toxicity to the human body, so caution must be exercised during handling. For humans, the main risks are concentrated in three aspects: skin contact can cause irritation (H315), eye contact can cause serious eye irritation (H319), and ingestion is harmful (H302). These hazards ll under the lower severity levels (Category 2 or 4) in GHS classification and generally do not cause irreversible serious damage. Nevertheless, appropriate personal protective measures should be taken to avoid direct contact with the undiluted substance and inhalation of vapors or spray. For the environment, MOA-7 is harmful to aquatic organisms (H402), classified as Acute Aquatic Hazard Category 3. This means that if the product enters water bodies in large quantities, it may have short-term adverse effects on fish, aquatic invertebrates, and algae. Therefore, production wastewater and cleaning residues should not be discharged directly into sewers or surce waters. Wastewater must be treated in accordance with local environmental regulations before discharge. Technical Parameters Hazard CategoryGHS ClassificationHazard CodeHazard Statement Skin corrosion\/irritationCategory 2H315Causes skin irritation Serious eye damage\/eye irritationCategory 2H319Causes serious eye irritation Acute toxicity (oral)Category 4H302Harmful if swallowed Hazardous to the aquatic environment - acute hazardCategory 3H402Harmful to aquatic organisms Application Recommendations MOA-7 is typically used in final product formulations after dilution, significantly reducing its concentration. Consequently, its irritation and toxicity risks are greatly diminished, and it is safe to use in compliant daily chemical products (such as laundry detergent, dishwashing liquid) and cosmetics. However, formulators and production operators are advised to strictly follow handling guidelines and take necessary protective measures. Precautions Personal protection: Wear chemical safety goggles, protective gloves, and protective clothing when handling the undiluted substance. Avoid direct contact with skin and eyes. Thoroughly wash exposed skin after handling. Ventilation requirements: Operate in a well-ventilated area. Use local exhaust ventilation if necessary to avoid inhaling vapors or spray. No eating or drinking: Do not eat, drink, or smoke in the work area to prevent accidental ingestion. Storage requirements: Store in a cool, dry, well-ventilated warehouse. Keep containers tightly closed. Keep away from heat sources and open flames. Avoid mixing with strong oxidizers, strong acids, strong bases, and food ingredients. Spill handling: In case of a spill, wear protective equipment and collect the spilled material into a dedicated sealed container. Do not discharge into sewers or surce waters. First aid measures: For skin contact, rinse with plenty of water and soap for at least 15 minutes. For eye contact, rinse carefully with plenty of running water for at least 15 minutes and seek medical attention immediately. If swallowed, do not induce vomiting; rinse mouth immediately and call a poison control center or seek medical attention.

Question 2

What to do if problems occur during the use of MOA-7 (AEO-7)? How to obtain technical support?

Accepted Answer

Don't worry if you encounter problems during use. Guoli Chemical provides you with a comprehensive technical support system, and you can quickly obtain professional solutions through multiple channels. Common usage problems and troubleshooting suggestions In practical applications of MOA-7 (AEO-7), common problems mainly focus on the following aspects: 1. Unsatisctory emulsification effect or emulsion stratification: First, check whether the dosage of MOA-7 is appropriate (usually recommended dosage is 2%-10% of the total formula), whether the oil-water ratio is unbalanced, and whether the pH value and temperature of the system are within the applicable range of MOA-7. As a nonionic surctant, the emulsifying ability of MOA-7 will decrease when approaching its cloud point temperature. Ensure that the operating temperature is lower than its cloud point. Also check the feeding order and stirring conditions are sufficient. 2. Poor cleaning or penetration effect: Confirm the hardness of the water quality. Although MOA-7 has good hard water tolerance, extremely high hardness water may still affect the effect. Check whether there is compatibility conflict with other anionic or cationic additives. It is generally recommended to compound it with nonionic and anionic auxiliaries for better results. In addition, for heavy oil stains, appropriately increasing the usage concentration or combining with alkaline auxiliaries can significantly improve detergency. 3. Changes in product appearance (cloudiness, stratification, gelation): MOA-7 may appear as a white paste or even solidify at low temperatures. This is a normal physical phenomenon of tty alcohol polyoxyethylene ether products and is not deterioration. It can be restored by warming it back to 20-35°C and stirring evenly before use. If the product has an unusual odor or significant color deepening, it may have deteriorated and should be discontinued. 4. Excessive or insufficient foam in the formula: MOA-7 is a medium-foaming surctant. To adjust the foam amount, it is recommended to compound with defoamers or high-foaming auxiliaries for adjustment, rather than relying solely on changes in MOA-7 dosage. Technical parameters The following are important reference parameters for troubleshooting usage issues (data source: Guoli Chemical product database): Parameter itemReference information Product typeNonionic surctant (tty alcohol polyoxyethylene ether) CAS number68439-50-9 AppearanceColorless to slightly yellow transparent liquid or white paste EO addition number7 mol IonicityNonionic type Acid-base stabilityStable in a wide range of acid-base environments Hard water toleranceGood Conventional dosage range2%-10% of total formula (adjust according to specific application) Application suggestions For common problems in different scenarios, it is recommended to take the following measures: Textile printing and dyeing scenarios: If uneven leveling or color spots occur, check whether the dosage of MOA-7 is sufficient to fully wet the fibers. It is recommended to appropriately increase the addition amount in the bath ratio and ensure that the pretreatment process adequately removes the oil agent from the fibers. Industrial cleaning scenarios: If the cleaning power for heavy oil stains is insufficient, it is recommended to compound MOA-7 with alkaline auxiliaries (such as sodium carbonate, sodium metasilicate) and chelating agents, which can greatly enhance oil removal efficiency. Emulsion polymerization scenarios: If polymerization is unstable or gelation occurs, check the purity and dosage of MOA-7. If necessary, compound it with anionic emulsifiers to improve the mechanical stability of the latex. Pesticide formulation scenarios: If the emulsion stability is poor, first verify the compatibility of MOA-7 with the active ingredient, adjust the ratio of emulsifier and solvent, and perform HLB value matching calculation if necessary. Guoli Chemical technical support contact methods Method 1: Technical consultation hotline Contact the technical department of Haian Guoli Chemical Co., Ltd., submit your specific usage scenario, formula system, description of the problem encountered (photos or samples are better), and technical engineers will provide you with one-on-one professional analysis and formula optimization suggestions. Method 2: Request product technical documents MOA-7 (AEO-7) is accompanied by complete Safety Data Sheets (SDS/MSDS) and Technical Data Sheets (TDS), which include detailed physical and chemical parameters, storage conditions, first aid measures, and typical application formula guides. They can be obtained directly from Guoli Chemical. Method 3: Sample re-inspection and analysis If product quality abnormalities are suspected, retain samples can be sent back to Guoli Chemical's quality inspection department for re-inspection, including testing of key indicators such as appearance, pH value, cloud point, and hydroxyl value, to rule out product quality issues. Method 4: On-site technical support For major application projects or batch production problems, Guoli Chemical can arrange for technical engineers to go to the site for technical diagnosis and process optimization guidance as needed. Precautions Before contacting technical support, please prepare the following information: product batch number, purchase date, storage conditions, usage formula and process parameters, detailed description, and pictures of the problem. In case of personnel contact injury, first follow the first aid measures in the safety data sheet (rinse skin with plenty of water for at least 15 minutes, rinse eyes immediately and seek medical attention), and contact the company for further guidance. For in-depth technical issues such as formula debugging, it is recommended to schedule technical consultation time in advance so that Guoli Chemical can arrange a corresponding engineer to assist. The product is of low toxicity (GHS classification), but it is still necessary to comply with safety operating procedures, wear protective gloves and goggles, and avoid direct contact with skin and eyes.

Question 3

How to purchase MOA-7 (AEO-7)? What is the minimum order quantity?

Accepted Answer

MOA-7 (AEO-7) currently has no publicly available fixed price or minimum order quantity. Actual transactions require direct contact with the Guoli Chemical sales team for a customized quotation. Detailed Explanation MOA-7 (AEO-7) is a core conventional product of Guoli Chemical. As a high-performance nonionic surctant widely used in industrial cleaning, textile printing and dyeing, cosmetics, and pesticide formulations, its price fluctuates significantly due to multiple ctors such as the market conditions of raw materials ethylene oxide and tty alcohols, purchase quantity, packaging specifications, and transportation costs. Therefore, the company does not publish a fixed price on its website but adopts a dynamic quotation mechanism to ensure you receive the most competitive real-time price. Regarding the minimum order quantity (MOQ), our company also adopts a flexible strategy. Conventional packaging specifications include 50kg plastic drums, 200kg plastic drums, and IBC totes. The specific minimum order threshold will be determined based on the packaging form and logistics solution you choose. The order threshold differs between small batch samples and large-scale purchases. It is recommended that you directly communicate your needs to the sales consultant to obtain precise minimum order information. Official Purchase Guide To ensure transaction safety and enjoy full technical support and after-sales service, please initiate purchase inquiries through the following official channels: Contact Phone: Please call the sales department of Haian Guoli Chemical Co., Ltd. directly and specify your demand for MOA-7 (CAS: 68439-50-9). Business Negotiation: The sales team will provide free samples (as appropriate), product technical data sheets (TDS), safety data sheets (MSDS), and formal quotations based on your application scenario, estimated annual usage, and delivery location. Logistics and Distribution: Guoli Chemical relies on a well-established logistics network to support self-pickup and nationwide delivery. Both IBC totes and drummed goods have mature hazardous chemical or general cargo transportation solutions. Quick Technical Parameters Parameter Typical Value Appearance (25°C) White paste Active Content ≥99% HLB Value ~12 Cloud Point (1% aqueous solution) 65~70 °C pH Value (1% aqueous solution) 5.0~7.0 Hydroxyl Value 100~120 mgKOH\/g Packaging Specifications 50kg\/200kg plastic drums; IBC totes Precautions Sample Testing: Before bulk purchasing, it is recommended to request a small sample for formulation compatibility and application performance testing to confirm that the HLB value and detergency characteristics of this grade (polymerization degree ≈ 7) perfectly match your system. Safe Handling: This product is of low toxicity, but direct contact with skin and eyes should still be avoided (H315\/H319). Please be sure to wear chemical safety goggles and protective gloves during operation, and use in a well-ventilated area. Storage Recommendations: This product is a paste at room temperature with slight hygroscopicity. It must be stored in a cool, dry, and well-ventilated warehouse. Seal the container immediately after use to prevent moisture absorption and contamination by impurities.

Question 4

Is MOA-7 (AEO-7) compliant with environmental requirements? Can a test report be provided?

Accepted Answer

MOA-7 (AEO-7) meets the requirements of mainstream environmental regulatory frameworks and is a biodegradable nonionic surctant. However, it should be noted that it has acute hazards to aquatic organisms (H402 classification) and must not be directly discharged into water bodies. Detailed Explanation MOA-7 (AEO-7), as an alcohol ethoxylate surctant, has the following advantages in environmental compliance: First, it does not contain APEO (alkylphenol ethoxylates) — APEO is strictly restricted in many regions globally due to environmental hormone issues, and MOA-7, made from natural tty alcohols, is one of the mainstream environmentally friendly alternatives to APEO; Second, the alkyl chain and polyoxyethylene ether chain in the molecular structure can undergo primary and ultimate biodegradation through aerobic microorganisms in the natural environment, meeting the basic requirements for surctant biodegradability under EU REACH and China's "Measures for the Environmental Management of New Chemical Substances". However, according to the product safety data sheet (SDS) of Guoli Chemical, the GHS hazard classification of MOA-7 clearly indicates H402: Harmful to aquatic life (Hazardous to the aquatic environment - Acute Hazard Category 3). This means the product poses a certain acute toxicity risk to aquatic ecosystems in concentrated form, and untreated spills or waste liquids must not be directly discharged into sewers, surce water, or soil. In industrial use, wastewater containing MOA-7 must be treated through standard wastewater treatment processes (e.g., activated sludge biological treatment) to meet discharge standards before being released. Additionally, the heavy metal content is controlled at lead (Pb) ≤20 mg\/kg and arsenic (As) ≤2 mg\/kg, data sourced from Guoli Chemical product database, both at low levels in the industry, posing no risk of heavy metal accumulation in soil and sediments. Overall, under normal use and compliant discharge conditions, MOA-7 meets the basic environmental requirements of current domestic and international mainstream environmental regulations (such as EU REACH, China GB\/T 26396 safety standards for detergent raw materials, etc.) for cleaning agent raw materials. However, it is not a "completely environmentally harmless" product, and users are still responsible for pollution prevention and waste management. Technical Parameters (Environmentally Relevant Indicators) Indicator ItemParameter ValueData Source GHS Aquatic Environment ClassificationAcute Hazard Category 3 (H402)Guoli Chemical SDS Heavy Metals (as Pb)≤20 mg\/kgGuoli Chemical Product Database Arsenic (As)≤2 mg\/kgGuoli Chemical Product Database BiodegradabilityAerobic biodegradability (common property of alcohol ethoxylates)Industry General Data APEO ContentNot containingProduct Structural Characteristics Iodine Value (Unsaturation)≤0.5Guoli Chemical Product Database pH Value (1% Aqueous Solution)5.0~7.0Guoli Chemical Product Database Explanation of Test Reports As a regular chemical raw material manucturer, Guoli Chemical can provide the following types of test reports (specific reports subject to actual application): Certificate of Analysis (COA): Provided with each batch of product, covering actual test data for routine physicochemical indicators such as active content, hydroxyl value, pH value, moisture, and color. Safety Data Sheet (SDS\/MSDS): Contains complete GHS hazard classification, toxicological, and ecotoxicological information, and is a core document for environmental compliance review. Third-Party Test Reports: For specialized environmental test reports such as RoHS six items, REACH Substances of Very High Concern (SVHC) screening, halogen content, per- and polyfluoroalkyl substances (PS) screening, etc., customers can contact the sales department of Guoli Chemical to arrange testing by a third-party laboratory with CMA\/CNAS qualifications and obtain authoritative reports based on specific needs. It is recommended to clarify the required report types and testing standards before purchase and contact the technical or sales team of Guoli Chemical directly to obtain the latest version of the testing documents. No specific report download links are available in the database; they need to be obtained through offline channels. Environmental Usage Precautions Waste liquid and cleaning wastewater must not be directly discharged into rivers, lakes, or sewers; they must be treated to meet discharge standards in the ctory's wastewater treatment station before release. Spilled material should be immediately collected using inert absorbent materials (such as sand or vermiculite), placed in sealed containers, and disposed of according to industrial solid waste regulations. After use, product packaging drums should be recycled by qualified hazardous waste treatment units and not discarded arbitrarily. If the product's environmental registration status in a specific country or region (e.g., US TSCA, EU REACH registration, China IECSC inventory) needs to be confirmed, it is recommended to request a relevant compliance statement from Guoli Chemical.

Question 5

What are the advantages of MOA-7 (AEO-7) compared to other similar products?

Accepted Answer

According to the technical data from Guoli Chemical, the core advantage of MOA-7 (AEO-7) lies in its role as a **medium-to-high polymerization degree nonionic surctant**, achieving an **excellent balance between emulsifying power, penetrating power, and detergency**, while also offering broader chemical compatibility and application universality. ### Detailed Explanation The performance of the MOA series products exhibits regular differences as the number of ethylene oxide (EO) adducts (n) changes. The polymerization degree of MOA-7 (n≈7) is at a golden equilibrium point. Compared to low polymerization degree products (e.g., MOA-3), it has significantly improved water solubility and a wider application range; compared to high polymerization degree products (e.g., MOA-9, MOA-12), while maintaining excellent emulsifying and cleaning capabilities, it retains stronger permeability and lower gel temperature, making it particularly advantageous in industrial cleaning and textile processing. ### Specific Data Comparison with Guoli Chemical's Similar Products To provide a more intuitive view, the following is a comparison of key performance indicators between MOA-7 and other mainstream AEO products from our company database: | Performance Indicator | **MOA-7 (AEO-7)** | MOA-3B (AEO-3) | MOA-9 (AEO-9) | MOA-12 (AEO-12) | | :--- | :--- | :--- | :--- | :--- | | **EO Moles (n)** | **≈7** | ≈3 | ≈9 | ≈12 | | **Appearance (25°C)** | **Colorless liquid or white paste** | Colorless to slightly yellow liquid | Colorless liquid or white paste | White to slightly yellow paste | | **HLB Value** | **About 12** | 6-7 | 13.6 | 14.5 | | **Cloud Point (1% aqueous solution)** | **Data not available** | Insoluble in water | 55~65°C | 90~95°C | | **Penetration (0.1% solution)** | **Excellent** | Excellent | 5~10 seconds | >300 seconds | | **Foam Characteristics** | Medium | Low foam | Low foam | Medium foam | | **Water Solubility** | **Easily soluble in water** | Dispersible in water | Easily soluble in water | Easily soluble in water | | **Core Characteristics** | **Balanced emulsifying, penetrating, and cleaning power** | Oil-soluble, excellent water-in-oil emulsification | High-efficiency cleaning and emulsification, high cloud point | Excellent emulsification and solubilization, very high cloud point | ### Application Recommendations Based on the above characteristics, MOA-7 (AEO-7) shows particularly prominent advantages in the following fields: 1. **Textile Dyeing and Printing**: As a penetrant and leveling agent, its penetration speed is superior to MOA-9, quickly wetting fibers while ensuring uniform dye uptake, effectively preventing color spots—a balance that low-foam, high-cloud-point products cannot achieve. 2. **Industrial Hard Surce Cleaning**: At room temperature and medium temperatures, its degreasing and penetrating abilities are outstanding, rapidly removing heavy oil stains from metal surces. Its cleaning power is close to that of MOA-9, but with stronger penetration, resulting in higher cleaning efficiency. 3. **Leather Degreasing**: It has strong emulsifying and penetrating capabilities for natural oils, deeply cleaning the hide, making it an ideal main component for efficient leather degreasing agents. 4. **Pesticide Emulsifiers**: With a vorable HLB value (about 12) and emulsification stability, it can efficiently disperse various oily pesticide active ingredients to form stable dilute emulsions, improving efficacy. ### Precautions - The cloud point of MOA-7 is lower than that of MOA-9 and MOA-12. Therefore, in formulations requiring higher operating temperatures, products with a higher degree of polymerization should be considered. - The product has a higher freezing point and may become a white paste at low temperatures. This is a normal physical change; after warming and melting, it can be stirred evenly without affecting the use effect. - Please note during operation that this product is irritating to the skin and eyes (H315, H319), and harmful if swallowed (H302). Appropriate safety protection guidelines should be followed.

Question 6

How should MOA-7 (AEO-7) be stored? What is the shelf life?

Accepted Answer

MOA-7 (AEO-7) should be stored in a cool, dry, well-ventilated warehouse, keeping the container tightly closed and away from heat and ignition sources; under recommended storage conditions, the product shelf life is generally 2 years. Detailed Description MOA-7 (AEO-7) is a tty alcohol polyoxyethylene ether nonionic surctant with relatively stable chemical properties, but improper storage conditions may still cause product moisture absorption, discoloration, or performance degradation. To ensure product quality, storage specifications must be strictly followed, and the product should be stored in a dedicated warehouse, avoiding co-storage with strong oxidizers, strong acids, strong alkalis, and food ingredients. Regarding the shelf life, there is no clear shelf life parameter in the product database. According to common industry standards, the shelf life of tty alcohol polyoxyethylene ether (AEO series) nonionic surctants under recommended storage conditions (sealed, cool, dry) is usually 2 years (from the date of production). It is recommended that users refer to the batch number and expiration date on the product packaging and follow the first-in-first-out inventory management principle. After opening, the product should be used as soon as possible. After each use, the container must be immediately resealed to prevent moisture and impurities from entering the air, avoiding product moisture absorption, deterioration, or microbial contamination. If abnormal phenomena such as stratification, turbidity, discoloration, or odor occur during storage, use should be suspended and quality testing should be performed. Storage Conditions Overview Storage ElementSpecific Requirement Ambient TemperatureCool environment, avoid high temperature and direct sunlight, recommended storage temperature below 40°C Ambient HumidityDry environment, prevent product moisture absorption Ventilation ConditionWarehouse should have good ventilation, equipped with local exhaust cilities if necessary Container StatusAlways keep sealed, reseal promptly after opening Away from Ignition SourcesAway from heat, sparks, and open flames Isolation StorageAvoid co-storage with strong oxidizers, strong acids, strong alkalis, and food ingredients Floor ProtectionThe floor of the storage area should be treated with anti-seepage measures and equipped with leak collection devices Application Suggestions It is recommended to check the integrity and seal of the product packaging upon receipt to confirm no damage or leakage. MOA-7 may appear as a white paste or solidified state in low-temperature environments; this is a normal physical phenomenon. Before use, the product can be placed in a warm environment to slowly rewarm and stir evenly; product performance is not affected. Avoid directly heating with open flames or high-temperature steam. Precautions It is strictly prohibited to discharge leaks into sewers or surce waters to prevent environmental pollution (the product is harmful to aquatic life, H402). Expired or waste products should be disposed of by qualified units in accordance with local hazardous waste treatment regulations, and must not be discarded arbitrarily. When entering the storage area, operators are recommended to wear chemical safety protective gloves and goggles to avoid direct contact with skin and eyes. In case of leakage, immediately wear protective equipment, collect the leakage with inert absorbent materials (such as sand, vermiculite) into a dedicated sealed container.

Question 7

What safety precautions should be taken when using MOA-7 (AEO-7)?

Accepted Answer

MOA-7 (AEO-7) is a low-toxicity nonionic surctant. When using it, special attention should be paid to preventing skin irritation, eye irritation, and ingestion risks. Protective gloves and goggles must be worn during operation. Detailed Description MOA-7 (AEO-7), i.e., C12-14 tty alcohol polyoxyethylene (7) ether, is a low-toxicity substance under normal use conditions, but still poses clear health and environmental hazards. According to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS), this product is classified as Skin Irritant Category 2, Eye Irritant Category 2, and Acute Oral Toxicity Category 4, meaning that direct contact or ingestion can cause adverse reactions of varying degrees. In practical operations, the vapor or spray of MOA-7 may cause respiratory irritation. Liquid product splashed onto the skin can cause symptoms such as redness and itching; if it enters the eyes, it may cause severe eye irritation or even damage. In addition, this product is harmful to aquatic life (H402). Therefore, during production, use, and disposal, its entry into sewers or natural water bodies must be strictly controlled to prevent adverse effects on the ecological environment. It is recommended that all operators carefully read the product Safety Data Sheet (SDS) before starting work and receive necessary chemical safety operation training. In case of accidental contact or ingestion, immediately follow the emergency response procedures for disposal, and if necessary, seek medical attention promptly, presenting the product container or label for accurate medical judgment. Core Points for Safe Operation Safety CategorySpecific Requirements Personal Protective EquipmentWear compliant chemical safety gloves, goggles, and protective clothing Ventilation ConditionsThe workplace should be well-ventilated; if necessary, use local exhaust ventilation Operating ProceduresAvoid inhaling vapor or spray; thoroughly wash exposed skin after work Workplace ManagementNo eating or smoking in the work area to prevent accidental ingestion Storage EnvironmentCool, dry, well-ventilated dedicated warehouse; keep containers tightly closed; keep away from heat, sparks, and open flames Incompatible MaterialsAvoid storing with strong oxidizers, strong acids, strong bases, and food ingredients Leak ProtectionThe storage area should be equipped with leak collection devices; the floor should be impermeable Emergency Response Measures Skin contact: Immediately remove contaminated clothing and wash skin with plenty of running water and soap for at least 15 minutes. If irritation persists, seek medical attention. Eye contact: Immediately separate eyelids and rinse carefully with plenty of running water for at least 15 minutes. If wearing contact lenses and it is easy to remove, take them out after 5 minutes of rinsing and continue thorough rinsing. Seek immediate medical attention. Ingestion: Do not induce vomiting; rinse mouth with clear water immediately. If the victim is conscious, slowly drink a small amount of water. Immediately call a poison control center or seek medical attention, and show the container or label. Leak handling: Avoid dust generation, wear appropriate personal protective equipment. Collect the leak into a dedicated sealed container, absorb residual liquid with inert material. Do not discharge the leak into sewers or surce waters. Precautions Although this product is of low toxicity, the GHS hazard statements H315 (Skin irritation), H319 (Serious eye irritation), H302 (Harmful if swallowed), and H402 (Harmful to aquatic life) must not be ignored. In daily operations, do not let down your guard just because the product has a mild odor and looks like an ordinary liquid. Be sure to develop the habit of wearing protective equipment and washing after work to achieve safe use, standardized storage, and compliant disposal.

Question 8

How to use MOA-7 (AEO-7)? What is the recommended dosage?

Accepted Answer

The dosage of MOA-7 (AEO-7) varies by application scenario. In industrial cleaning and textile auxiliaries, the recommended addition amount is typically 2%~10% of the formulation. When used as an emulsifier in cosmetics, it generally accounts for 2%~5% of the oil phase weight. The specific dosage should be determined based on system requirements and compatibility tests. Detailed Description MOA-7 (C12-14 tty alcohol polyoxyethylene (7) ether) is a nonionic surctant, appearing as a colorless to slightly yellow transparent liquid or white paste, with an HLB value of about 12, easily soluble in water, and a cloud point of 65~70°C. It exhibits good emulsifying, wetting, penetrating, and detergency capabilities, with excellent chemical stability, functioning normally in a wide pH range and hard water environments. If the product is in paste form before use, it is recommended to heat it to about 40°C to naturally melt into a transparent liquid before incorporating it into the formulation to ensure uniform dispersion and accurate measurement. In various formulation systems, MOA-7 is often compounded with other anionic, nonionic, or amphoteric surctants to achieve synergistic effects. When used in oil-in-water (O/W) emulsion systems, it is recommended to pair it with an emulsifier of low HLB value, with the total emulsifier dosage determined by the oil phase content and required stability. In strong alkaline cleaning agents (e.g., metal degreasers) or high-concentration electrolyte systems, attention should be paid to its aqueous solution cloud point of 65~70°C, and the operating temperature should not be too high to avoid affecting phase behavior. Guoli Chemical MOA-7 has an active matter content of ≥99% and a critical micelle concentration of about 0.004%, making it a highly efficient surctant. A small addition can significantly reduce liquid surce tension and achieve good wetting and spreading. It is recommended to start new formulations with a median addition amount for small-scale trials, and then gradually adjust based on detergency, foam performance, and stability. Application Recommendations Application FieldRecommended Dosage (as % of total formulation)Usage Method and Description Household and Industrial Hard Surce Cleaners2%~8%Compound with anionic surctants (e.g., LAS, AES) to provide solubilization and degreasing effects; verify compatibility in strong alkaline formulations. Textile Dyeing and Printing Leveling/Penetrating Agent0.5~2 g/L in working solution (based on pure MOA-7)Use alone or compounded with anionic penetrants, temperature not exceeding 65°C, acts as leveling and penetrating agent in dye baths. Leather Degreasing Agent1%~3%Prepare degreasing working solution with appropriate amount of soda ash or sodium tripolyphosphate to promote removal of natural ts and soaking. Metal Hard Surce Cleaners3%~10%Compound with builders and corrosion inhibitors for heavy-duty degreasing; note cloud point limitation at high concentrations. Cosmetic Emulsifier/Solubilizer (Creams, Lotions, Cleansing Oils)2%~5% of oil phase as emulsifierUse as auxiliary emulsifier with low HLB value emulsifiers to build O/W systems; also can be used as solubilizer for fragrances/essential oils. Pesticide Emulsifier2%~6% of pesticide technicalBlend with other nonionic emulsifiers to adjust HLB value to match the technical requirements, ensuring emulsion dilution stability. Emulsion Polymerization Emulsifier1%~3% of monomer totalIn acrylate or styrene-butadiene systems, act as main micelle nucleation emulsifier or auxiliary stabilizer; control initial addition and post-addition ratio. Paper Deinking Agent0.1%~0.5% of oven-dry pulpIn waste paper deinking process, compound with soaps or other nonionic surctants to enhance ink detachment and suspension. Oilfield Produced Fluid Treatment50~500 ppm use concentrationUsed as demulsifier intermediate or viscosity reducer component; specific dosage determined by on-site crude oil properties test. Technical Parameters ParameterTypical Value/Range AppearanceColorless to slightly yellow transparent liquid (40°C), white paste at room temperature Ionic TypeNonionic Active Matter Content≥99% HLB ValueAbout 12 pH of 1% Aqueous Solution5.0~7.0 Cloud Point (1% Aqueous Solution)65~70°C Critical Micelle Concentration (CMC)About 0.004% (w/w, 25°C) Surce Tension (0.1%, 25°C)About 28.5 mN/m Hydroxyl Value100~120 mgKOH/g Density (40°C)About 0.98 g/cm³ Kinematic Viscosity (40°C)About 25~35 mm²/s Flash Point (Closed Cup)≥150°C Precautions MOA-7 is a white paste at room temperature. It is recommended to heat to about 40°C before use, ensuring the material is completely melted and uniformly mixed before measuring and adding to maintain formulation accuracy. Its cloud point is 65~70°C (1% aqueous solution). For high-temperature operations (e.g., hot spray cleaning or high-temperature dyeing), note possible nonionic phase separation; confirm through compatibility tests. Easily soluble in water, but direct addition to cold water with stirring results in slow dissolution. Pre-disperse under mild heating (not exceeding 50°C) or pre-mix with other liquid components before adding to the system. GHS classification: Skin irritation Category 2 (H315), Serious eye irritation Category 2 (H319). Wear protective gloves and chemical safety goggles during operation to avoid direct skin and eye contact. Wastewater containing this product should be treated to meet discharge standards before release, avoiding direct discharge into natural water bodies to minimize harm to aquatic life (H402). Store in a cool, dry, well-ventilated area, keep containers tightly closed, away from heat and strong oxidizers. This product is hygroscopic; seal promptly after opening.

Question 9

In which industries and processes is MOA-7 (AEO-7) mainly applied?

Accepted Answer

MOA-7 (AEO-7) is widely used in industrial and domestic cleaning, textile printing and dyeing, leather processing, metal treatment, personal care, pesticide formulations, emulsion polymerization, papermaking, and oil field industries, playing a key role in dozens of processes due to its excellent emulsifying, wetting, penetrating, and detergency properties. Detailed Description MOA-7 (AEO-7), i.e., C12-14 tty alcohol polyoxyethylene (7) ether, is a nonionic surctant with medium to high degree of polymerization, appearing as a colorless to slightly yellowish transparent liquid or white paste. Its molecular structure contains both hydrophilic polyoxyethylene segments and lipophilic long-chain alkyl groups. This unique amphiphilic structure enables it to efficiently reduce oil-water intercial tension, possess outstanding emulsifying capability, excellent wetting and penetration, and high detergency, while maintaining excellent chemical stability in a wide range of acidic, alkaline, and hard water environments, thus its application range is extremely broad. In terms of core processes, MOA-7 is mainly used as an emulsifier to construct stable oil-in-water (O/W) emulsion systems, suitable for scenarios such as emulsion polymerization, pesticide formulations, cosmetic creams and lotions; as a wetting and penetrating agent, it significantly improves the spreading and penetration efficiency of liquids on solid surces, especially applicable in leveling and pretreatment processes in textile printing and dyeing; as an active component for detergency, it has strong decontamination and dispersing ability for mineral oils, animal and vegetable oils, and various industrial soils, widely used in metal hard surce cleaning, leather degreasing, and waste paper deinking processes. Application Overview Industry Specific Process/Application Functional Role Industrial & Domestic Cleaning Laundry detergents, dishwashing detergents, hard surce cleaners, industrial heavy-duty cleaners Core active component, providing detergency, emulsifying, and dispersing performance Textile Printing & Dyeing Leveling process, fiber pretreatment, scouring/de-oiling Leveling agent, penetrating agent, de-oiling agent, ensuring uniform fiber treatment Leather Industry Raw hide degreasing, soaking process High-efficiency degreasing agent, removing natural ts, providing clean hide for tanning Metal Surce Treatment Parts cleaning, degreasing and dewaxing, polishing paste removal Effectively strips mineral oils, polishing waxes, and cutting fluids, also provides rust inhibition and corrosion protection Personal Care & Cosmetics Creams, lotions, cleansing oils, leave-on and rinse-off products Emulsifier and solubilizer, constructing stable O/W emulsions, solubilizing fragrances and essential oils Pesticide Formulations Emulsifiable concentrates, microemulsions, aqueous emulsion formulations Pesticide emulsifier, enhancing dispersibility and stability of active ingredients, improving efficacy Emulsion Polymerization Acrylic latex, styrene-butadiene latex synthesis Emulsifier, providing micelle nucleation sites, ensuring stable polymerization and latex stability Papermaking Industry Waste paper deinking process Deinking agent, promoting ink separation and suspension, preventing redeposition, improving whiteness Oil Field Chemicals Drilling fluids, produced water treatment, crude oil transportation Emulsifier, viscosity reducer, paraffin inhibitor, improving oil-water intercial tension Application Recommendations In practical formulation design, it is recommended to adjust the dosage of MOA-7 according to specific process requirements. Generally, when used as an active cleaning component, the recommended dosage is 5%–20% of the total formulation; when used as an emulsifier, the dosage should be optimized based on the oil phase properties and required HLB value, typically in the range of 2%–8%; when used as a wetting and penetrating agent, adding 0.5%–3% can significantly improve spreading performance. The product has good compatibility and synergy with anionic, cationic, and other nonionic surctants, and can be used in combination as needed to enhance overall performance. Precautions Wear chemical safety goggles and protective gloves during operation to avoid direct contact with skin and eyes. Keep the workplace well-ventilated to avoid inhaling vapors or sprays. Harmful if swallowed (H302), do not eat, drink, or smoke in the workplace. Harmful to aquatic life (H402), do not discharge waste solutions containing this product into sewers or surce waters. Store in a cool, dry, well-ventilated warehouse, keep containers tightly closed, away from strong oxidizers and strong acids/alkalis. For detailed safety information, refer to the Safety Data Sheet (SDS).

Question 10

What are the physicochemical technical parameters of MOA-7 (AEO-7)?

Accepted Answer

MOA-7 (AEO-7) is a nonionic tty alcohol polyoxyethylene ether surctant with an HLB value of about 12, cloud point of 65~70°C, easily soluble in water, white paste at room temperature, and excellent overall performance. Detailed Description MOA-7 (CAS: 68439-50-9) chemical full name is C12-14 tty alcohol polyoxyethylene (7) ether, molecular formula C12-14H25-29O(C2H4O)nH (n≈7), molecular weight about 494. The product appearance above 40°C is a colorless to slightly yellow transparent liquid, at room temperature (about 15~25°C) is a white paste, belonging to medium-high polymerization degree nonionic surctant. This product is strictly produced by Guoli Chemical according to standards with active matter content ≥99% (105°C solid content), free alcohol content ≤1%, moisture ≤0.5%, high purity and stable quality. It has excellent emulsifying, wetting, penetrating and detergency capabilities, resistance to acid, alkali and hard water, good chemical stability, and excellent compatibility with anionic, cationic and amphoteric surctants when compounded. This product is widely used in personal care, industrial cleaning, textile printing and dyeing, pesticide formulations, leather degreasing, emulsion polymerization, paper deinking and oilfield auxiliaries, etc., serving as a core functional component in many formulations. Technical Parameters Parameter ItemSpecification/ValueTest Conditions/Description Product NameMOA-7 (AEO-7)—— Aliastty Alcohol Polyoxyethylene (7) Ether; Laureth-7; Laureth-7—— CAS No.68439-50-9—— Ionic TypeNonionic—— Molecular FormulaC12-14H25-29O(C2H4O)nH, n≈7—— Molecular Weight~494—— AppearanceColorless to slightly yellow transparent liquid (40°C); white paste (room temperature)—— Melting PointAbout 15~25°C—— Active Matter Content≥99%105°C HLB Value12—— Cloud Point65~70°C1% aqueous solution pH Value5.0~7.01% aqueous solution / 5% aqueous solution Density~0.98 g/cm³40°C Kinematic ViscosityAbout 25~35 mm²/s40°C Refractive Index1.450~1.45540°C Flash Point≥150°C (closed cup)—— Surce Tension~28.5 mN/m0.1% aqueous solution, 25°C Critical Micelle Concentration (CMC)About 0.004% (w/w)25°C Hydroxyl Value100~120 mgKOH/g—— Acid Value≤0.5 mgKOH/g—— Saponification Value≤1.0 mgKOH/g—— Iodine Value≤0.5—— Moisture≤0.5%—— Free Alcohol≤1%—— Water SolubilityEasily soluble in water—— Foam PerformanceMedium, foam height about 100~120mm0.25%, 30°C, Ross-Miles method Alkali ResistanceGood—— Penetration PowerGood—— Chemical StabilityStableAvoid prolonged contact with strong oxidizers Heavy Metals (as Pb)≤20 mg/kg—— Arsenic (As)≤2 mg/kg—— Packaging Specification50kg plastic drum / 200kg plastic drum / IBC tote—— Application Suggestions MOA-7 is especially suitable for formulation systems requiring excellent emulsifying power and moderate foam level. In industrial cleaners, it is recommended to compound with anionic surctants (such as LAS, AES) at 3%~10%; in textile leveling agents, recommended dosage is 0.5~2g/L; in cosmetic creams and lotions as primary or auxiliary emulsifier, dosage 1%~5%; in pesticide microemulsions and emulsifiable concentrate formulations, used alone or in combination, dosage 2%~8%. The specific dosage should be optimized according to the actual formulation and target performance. Precautions GHS hazard classification: Skin irritation category 2 (H315), serious eye irritation category 2 (H319), acute oral toxicity category 4 (H302). Wear protective gloves and goggles during operation. Product is hygroscopic; seal promptly after opening. Store in a cool, dry, well-ventilated place away from heat sources and strong oxidizers. It is a paste at room temperature; when taking, it can be appropriately heated to above 40°C to restore fluidity, but avoid prolonged high-temperature heating. Waste liquid and packaging should not be directly discharged into water bodies; dispose of in accordance with local environmental regulations to prevent harm to aquatic organisms.

MOA-7 (AEO-7)

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MOA/AEO Ethoxylate Applications

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Property	Value
CAS No.	68439-50-9
Molecular Formula	C12-14H25-29O(C2H4O)nH, n≈7
Appearance	Colorless to slightly yellow transparent liquid (at 40°C); white paste at room temperature
Ionic Type	Nonionic
Avg. Molecular Weight	~494
Cloud Point	65~70 (1%aq. soln., °C)
Active Content	≥99
pH Value(1%)	5.0~7.0
pH Value(5%)	5.0~7.0
Iodine Value	≤0.5
Solubility	Readily soluble in water
Surface Tension	~28.5 (0.1%aq. soln., 25°C, mN/m)
CMC	~0.004% (w/w, 25℃)
Acid Value	≤0.5
Saponification Value	≤1.0
Hydroxyl Value	100~120
Moisture	≤0.5
Density	~0.98 (40°C, g/cm³)
Kinematic Viscosity	~25~35 (40°C, mm²/s)
Refractive Index	1.450~1.455 (40°C)
Flash Point	≥150 (closed cup, °C)
Hygroscopicity	Hygroscopic
Chemical Stability	Stable; avoid prolonged contact with strong oxidizers
Penetration	Good
Foam Property	Medium, ~100-120 mm (0.25%, 30°C, Ross-Miles)
Alkali Resistance	Good alkali resistance
Unsaturation	Extremely low (Iodine Value ≤0.5)
Viscosity	~25-35 mPa·s (40°C)
Melting Point	~15~25°C
Low Shear Viscosity	~25~35 (40℃, mPa·s)
Solid Content	≥99 (105℃)
Free Alcohol	≤1%
Heavy Metal	≤20 (as Pb, mg/kg)
Arsenic	≤2 (mg/kg)