Question 1

Is hydrogenated castor oil polyoxyethylene ether HEL-40 harmful to the human body? Does it have an impact on the environment?

Accepted Answer

Hydrogenated castor oil polyoxyethylene ether HEL-40 is classified as practically non-toxic, has no significant skin irritation, is biodegradable, and poses a low risk to the aquatic environment. Under normal use conditions, it is relatively safe for both humans and the environment. Detailed Explanation Hydrogenated castor oil polyoxyethylene ether HEL-40 (HEL-40) is a nonionic surctant produced by ethoxylation of natural hydrogenated castor oil. According to the UN GHS classification criteria, this product does not belong to hazardous substances or mixtures and is not subject to mandatory hazard labeling. Its acute oral toxicity (rat) LD50 is greater than 5000 mg/kg, and acute dermal toxicity (rabbit) LD50 is greater than 2000 mg/kg, classifying it as practically non-toxic. Regarding health effects, under normal use conditions, HEL-40 has no significant skin irritation, no known sensitization effects, and based on available data, no mutagenicity, carcinogenicity, or reproductive toxicity. The only note is that this product may cause mild transient eye irritation, so it is recommended to wear appropriate chemical safety goggles when handling. Prolonged or repeated contact may lead to mild skin degreasing or dryness, which is related to its basic surctant properties rather than toxicity. Environmentally, HEL-40 is a biodegradable nonionic surctant that meets OECD standards and does not have significant bioaccumulation potential. At recommended usage concentrations, it is expected to be harmless to aquatic organisms and poses a low risk to the aquatic environment. However, care should be taken to prevent undiluted or untreated large quantities of the product from directly entering water bodies, soil, and public drainage systems. Technical Parameters Indicator CategoryParameterData Source Acute oral toxicity (rat)LD50 > 5000 mg/kgGuoli Chemical Product Database Acute dermal toxicity (rabbit)LD50 > 2000 mg/kgGuoli Chemical Product Database Skin irritationNo significant irritationGuoli Chemical Product Database Eye irritationMay cause mild transient irritationGuoli Chemical Product Database Skin sensitizationNo known sensitizationGuoli Chemical Product Database Mutagenicity/Carcinogenicity/Reproductive toxicityNo relevant hazard classificationGuoli Chemical Product Database BiodegradabilityBiodegradable (meets OECD standards)Guoli Chemical Product Database BioaccumulationNot significantGuoli Chemical Product Database GHS hazard classificationNot classified as hazardous substance or mixtureGuoli Chemical Product Database Application Recommendations Given the mild and low-irritation properties of HEL-40, this product is particularly suitable for use in cosmetics and personal care products, such as makeup removers, skin care lotions, shampoos, and shower gels, which are directly in contact with the skin. In industrial applications such as textiles, metalworking fluids, pesticide formulations, and household hard surce cleaning, it is recommended to follow standard industrial chemical handling procedures. Precautions It is recommended to wear chemical safety goggles and protective gloves during operation to avoid direct contact with eyes. Storage temperature should be kept between 5°C and 35°C, avoiding direct sunlight and extreme temperatures. Keep away from heat sources, ignition sources, and strong oxidizers; avoid storing in the same area as strong acids and strong bases. Heating decomposition may release irritating fumes; ensure good ventilation in the operating area. Prevent large quantities of untreated product from entering water bodies, soil, and public drainage systems. If accidentally gets into eyes, immediately flush with plenty of running water for at least 15 minutes; if symptoms persist, seek medical attention promptly. For specific safe handling instructions, refer to the product Safety Data Sheet (SDS).

Question 2

What to do if problems occur during the use of Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40? How to obtain technical support?

Accepted Answer

When problems occur during the use of Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40, they can be investigated according to the type of problem, and professional support can be obtained by contacting the Guoli Chemical technical team. Detailed Description Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40 is a nonionic surctant made from natural hydrogenated castor oil through ethoxylation. It has stable and reliable performance under normal use conditions. If problems arise during use, they are usually related to ctors such as formulation compatibility, process conditions, storage methods, or operating procedures. It is recommended to first conduct a systematic investigation based on the specific phenomenon. Most common problems can be resolved by adjusting process parameters or formulation ratios. Guoli Chemical provides comprehensive pre-sales, in-sales, and after-sales technical support services for all products. You can obtain guidance from professional engineers by calling the company's technical service hotline, contacting the corresponding business manager, or sending an email to the technical department. For complex formulation or process issues, the Guoli Chemical technical team can provide sample re-inspection, formulation optimization suggestions, and on-site technical exchange services when necessary. Common Problems and Troubleshooting Guide 1. Unsatisctory solubilization/emulsification effect Possible causes: Insufficient dosage of HEL-40 — it is recommended to refer to the recommended dosage. Generally, when solubilizing fragrance oils or essential oils, the dosage should be 3 to 5 times the amount of the substance to be solubilized. Incorrect addition order — it is recommended to pre-mix HEL-40 with the substance to be solubilized (fragrances, essential oils, etc.) evenly, then slowly add water while stirring. Influence of system pH or electrolyte concentration — although HEL-40 is resistant to acids and alkalis, extreme conditions may affect solubilization efficiency. It is recommended to control the pH within the range of 4 to 10. Low temperature — the viscosity of the product increases at low temperatures. It is recommended to keep the operating temperature between 15°C and 40°C. 2. Abnormal product appearance (stratification, cloudiness, precipitation) Possible causes: Improper storage temperature — the product may have been frozen or overheated (above 35°C), which can cause structural changes. It is recommended to strictly control storage temperature between 5°C and 35°C. Product exceeding shelf life — please manage inventory according to the "first in, first out" principle. Expired products should be discontinued. Poor container sealing — the product may absorb moisture or become contaminated. Ensure the container is tightly closed after use. 3. Foaming issues in the formulation Possible cause: HEL-40 is a low-foaming surctant. If abnormal foaming occurs in the formulation, it is usually due to other compounded surctants or air entrainment from mechanical stirring. It is recommended to reduce the stirring speed or add an appropriate amount of defoamer. 4. Skin or eye discomfort Possible cause: HEL-40 itself is a mild and low-irritation product (acute oral toxicity LD50 > 5000 mg/kg, practically non-toxic). However, discomfort may occur if the concentration in the formulation is too high or when compounded with other irritating ingredients. If irritation occurs, take the following measures immediately: Skin contact: Immediately remove contaminated clothing and rinse with plenty of running water and mild soap for at least 15 minutes. If irritation persists, seek medical attention. Eye contact: Lift the eyelids and rinse thoroughly with plenty of running water or normal saline for at least 15 minutes, rotating the eyeball to ensure thorough cleaning. If pain or blurred vision occurs, seek medical attention immediately. Inhalation discomfort: Move quickly to fresh air and keep the airway open. Ingestion: Rinse the mouth with water, drink plenty of water to dilute, do not induce vomiting, and seek medical attention immediately. Technical Parameters Parameter ItemDescription Product NameHydrogenated Castor Oil Polyoxyethylene Ether HEL-40 CAS Number61788-85-0 Product TypeNonionic Surctant AppearanceLight yellow paste to viscous liquid HLB ValueNot available (contact technical department to obtain) Cloud PointNot available (contact technical department to obtain) pH Range4~10 (broad tolerance) Recommended Storage Temperature5°C ~ 35°C Acute Oral Toxicity (Rat)LD50 > 5000 mg/kg BiodegradabilityBiodegradable, complies with OECD standards Methods to Obtain Technical Support Guoli Chemical provides multi-level technical support channels for users of HEL-40: General technical consultation: Contact the sales manager or regional business representative assigned to you for product application guidance and formulation suggestions. Technical R&D support: For in-depth formulation optimization, process adjustment, or product customization, directly contact the Guoli Chemical Technical R&D Center. Quality anomaly feedback: If you suspect batch quality issues, please retain the sample and provide the product batch number. The Guoli Chemical Quality Department will conduct re-inspection and issue an analysis report. Emergency handling: In case of leakage, ingestion, or other emergencies, refer to the emergency measures in the product Safety Data Sheet first, and simultaneously contact Guoli Chemical for professional guidance. Request documents: For the complete Safety Data Sheet (SDS), Certificate of Analysis (COA), or application technical manual, you can request them free of charge from the Guoli Chemical Technical Department or Sales Department. Notes When contacting technical support, please prepare in advance the product batch number, purchase date, problem description (including photos or samples), formulation summary, and process conditions so that engineers can quickly locate the issue. The product should be stored in the original sealed container in a cool, dry, well-ventilated area, away from heat sources and strong oxidizers. Do not discharge undiluted product in large quantities into water bodies or soil. It is recommended to wear chemical safety goggles and protective gloves during operation, and thoroughly wash hands after handling. Do not use products beyond their shelf life; dispose of them according to local regulations.

Question 3

How to purchase hydrogenated castor oil polyoxyethylene ether HEL-40? What is the minimum order quantity?

Accepted Answer

Hydrogenated castor oil polyoxyethylene ether HEL-40 can be purchased through the official channels of Guoli Chemical. The minimum order quantity and specific price need to be confirmed with the sales team. Detailed Description Hydrogenated castor oil polyoxyethylene ether HEL-40 is a nonionic surctant product (CAS No.: 61788-85-0) produced by Haian Guoli Chemical Co., Ltd. (Guoli Chemical). This product is prepared by ethoxylation of natural hydrogenated castor oil and appears as a yellowish paste to viscous liquid. It is widely used in cosmetics, textiles, metal processing, cleaning agents, and pesticide formulations. To purchase this product, it is recommended to contact the sales department of Guoli Chemical directly for the latest quotation, minimum order quantity (MOQ), delivery cycle, and logistics solutions. The order quantity of chemical products is usually related to ctors such as packaging specifications, inventory, and transportation conditions. Guoli Chemical offers flexible procurement solutions to meet different customer needs. You can obtain purchasing information through the following methods: call the official sales hotline of Guoli Chemical, send an inquiry email to the official email address, or submit procurement requirements through the online consultation channel on the official website. It is recommended to provide your estimated purchase quantity, application field, and region when inquiring, so that the sales team can provide you with more accurate product solutions and quotations. Technical Parameters Parameter ItemProduct Information Product NameHydrogenated castor oil polyoxyethylene ether HEL-40 CAS No.61788-85-0 AliasPEG-40 hydrogenated castor oil, Polyoxyethylene (40) hydrogenated castor oil Product TypeNonionic surctant AppearanceYellowish paste to viscous liquid Ion TypeNonionic Raw Material SourceNatural hydrogenated castor oil modified by ethoxylation Packaging SpecificationNot available (please consult sales for confirmation) Minimum Order QuantityNot available (please consult sales for confirmation) Recommended Storage Temperature5°C to 35°C Application Suggestions HEL-40, as an O/W emulsifier and efficient solubilizer, has wide application value in the following fields: Cosmetics and Personal Care Products: Used in creams, lotions, makeup removers, cial cleansers, and bath products to provide a fine and stable emulsifying effect, with excellent solubilizing ability for fragrances, essential oils, and oil-soluble active ingredients. Textile Industry: Used as a leveling agent, softener, and antistatic finishing agent to improve fiber surce properties. Metalworking Fluids: As an emulsifier and lubricating component, suitable for the formulation of cutting fluids and grinding fluids. Hard Surce Cleaners: Rapidly emulsifies oil and grease stains, improving cleaning efficiency. Pesticide Formulations: As an emulsifying dispersant, improves the dispersion stability of pesticide active ingredients in water-based formulations. Precautions This product is a non-hazardous substance, with acute oral toxicity LD50 > 5000 mg/kg (rat), classified as practically non-toxic. Store in original sealed containers, in a cool, dry, and well-ventilated place, away from direct sunlight, strong oxidizers, and incompatible substances. When handling, it is recommended to wear chemical safety goggles and protective gloves. Wash hands and exposed skin thoroughly after operation. Specific prices and minimum order quantities may fluctuate due to market conditions. It is recommended to directly contact Guoli Chemical sales for the latest quotation and procurement solutions.

Question 4

Does hydrogenated castor oil polyoxyethylene ether HEL-40 meet environmental protection requirements? Can a test report be provided?

Accepted Answer

Hydrogenated castor oil polyoxyethylene ether HEL-40 meets environmental protection requirements, has good biodegradability, and poses a low risk to the aquatic ecological environment.

Detailed Description

Hydrogenated castor oil polyoxyethylene ether HEL-40 (CAS No.: 61788-85-0) is a nonionic surctant produced by ethoxylation using natural hydrogenated castor oil as raw material. Its environmental performance meets the mainstream requirements of current green chemical products.

According to product ecological information, this product has good biodegradability, complying with relevant OECD standards, and is not classified as a persistent organic pollutant. At the same time, this product does not have significant bioaccumulation potential, meaning it does not progressively accumulate in organisms through the food chain, resulting in low long-term risks to the ecosystem. At recommended usage concentrations, this product is harmless to aquatic organisms and is a surctant variety that is friendly to the aquatic environment.

Furthermore, from the perspective of raw material sources, HEL-40 is prepared by hydrogenation modification of natural castor oil followed by ethoxylation. The raw material has strong renewability, offering better sustainability characteristics compared to fully synthetic petroleum-based surctants. In terms of product safety classification, this product is not classified as a hazardous substance under GHS classification and does not require mandatory hazard labeling, which also indirectly reflects its high environmental friendliness.

Regarding Test Reports

Regarding the test report you are concerned about, I have not found any specific test report file available for direct download for this product in the database at present. As a regular chemical manucturer, Guoli Chemical can usually provide customers with the following types of product quality documents:

Certificate of Analysis (COA): Quality test data for each batch of product
Material Safety Data Sheet (MSDS/SDS): Contains safety, health, and environmental information
Third-party test reports: Such as biodegradability tests, heavy metal content tests, etc.

Recommendations for Obtaining

It is recommended that you obtain the official test report through the following channels:

Contact the sales or technical department of Haian Guoli Chemical Co., Ltd. directly, stating that you need the environmental test report for the HEL-40 product
Specify the type of report required (e.g., biodegradability report, RoHS testing, REACH compliance declaration, etc.) to ensure accurate provision
For bulk purchases, you can request that batch quality inspection reports be included with the shipment

※ The above environmental and ecological information is sourced from the product safety documentation in the Guoli Chemical product database. The availability of test reports is subject to the manucturer's actual response.

Question 5

What are the advantages of Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40 compared to other similar products?

Accepted Answer

Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40, among similar products, demonstrates significant competitive advantages due to its natural origin, high safety, and excellent comprehensive performance. Detailed Explanation The greatest advantage of HEL-40 lies in its natural origin and mildness. It is produced by ethoxylating hydrogenated castor oil, making it a non-ionic surctant derived from natural, renewable resources. This characteristic gives it an inherent advantage in the personal care and cosmetics field—its acute oral toxicity LD50 > 5000 mg\/kg, it is non-irritating to the skin and non-allergenic, and can be directly used in high-end gentle formulations. In contrast, many petroleum-based synthetic emulsifiers of the same type have relatively higher irritation, requiring formulators to add additional soothing ingredients to balance. In terms of performance balance, HEL-40 also excels. Its HLB value is between 13-15, with a cloud point exceeding 100°C (1% aqueous solution), combining efficient O\/W emulsifying capability with excellent high-temperature stability. This means it is less likely to precipitate or break during hot processing, and its solubilization ability for fragrances, essential oils, and oil-soluble active ingredients is particularly outstanding, allowing for the easy preparation of transparent and stable aqueous systems. Additionally, it has excellent resistance to acids, alkalis, and hard water (stable within a pH range of 5.0-7.0), broadening its application scenarios in different water quality and formulation environments, avoiding problems such as ilure in hard water or acidic conditions that some anionic emulsifiers ce. Another core advantage is its cross-industry multifunctionality. Due to its excellent chemical stability and broad-spectrum compatibility, HEL-40 is not limited to the personal care field but can also be effectively used in textile printing and dyeing (as a leveling agent and antistatic agent), metalworking fluids (combining emulsifying and lubricating functions), industrial cleaning (low-foam, efficient oil removal), and pesticide formulations (excellent dispersion stability). This "one-agent-multi-use" characteristic reduces formulation complexity and inventory management costs for customers, which is difficult to match by many single-function similar emulsifiers or solubilizers. Technical Parameters Parameter ItemValue\/CharacteristicAdvantage Description AppearanceLight yellow to yellow transparent liquid or pasteLight color, easy for color matching in formulations HLB Value13-15Ideal oil-in-water (O\/W) emulsification range Active Content≥99.0%High purity, high effective ingredient, less dosage required Cloud Point (1% Aqueous Solution)>100°CExcellent high-temperature stability, suitable for hot processing Surce Tension (0.1% Aqueous Solution)30-35 mN\/mGood wetting and spreading properties, enhancing detergency and spreadability Iodine Value≤2.0High saturation, excellent antioxidant stability, not prone to rancidity Acid Value≤1.0Low impurities, high chemical stability pH (1% Aqueous Solution)5.0-7.0Near neutral, mild to skin and formulations Acute Oral Toxicity (Rats)LD50 > 5000 mg\/kgPractically non-toxic, extremely high safety BiodegradabilityComplies with OECD standardsEnvironmentally friendly, aligns with green chemistry trends Application Suggestions Thanks to the above advantages, HEL-40 is particularly suitable for applications with high demands for safety, stability, and natural origin: High-end skincare and baby products: Utilizing its non-toxic and non-irritating properties to create safe and gentle cleansing oils, cial cleansers, and creams. Transparent aqueous fragrance\/essential oil formulations: Leveraging its excellent solubilization ability to produce products with high transparency and no cloudiness at low temperatures. Hot-process emulsification processes: Using its high cloud point to maintain structural stability in creams and lotions that require high-temperature processing. Complex formulation systems: Utilizing its strong tolerance in cleaning agents, cutting fluids, and pesticide formulations containing acids, alkalis, or hard water to maintain overall formulation stability. Precautions This product is slightly hygroscopic. After opening, store it airtight to avoid moisture absorption and caking. Recommended storage temperature is between 5°C and 35°C. Low temperatures may cause the paste to thicken or solidify. Before use, warm it to room temperature and stir evenly. When used in eye-area products, it is recommended to conduct thorough irritation tests. Although this product is gentle, direct contact with the eyes may still cause brief, minor discomfort. When used as a high-efficiency solubilizer, it is recommended to pre-mix HEL-40 evenly with the substance to be solubilized, then slowly add water to achieve optimal transparency.

Question 6

How to store hydrogenated castor oil polyoxyethylene ether HEL-40? What is the shelf life?

Accepted Answer

Hydrogenated castor oil polyoxyethylene ether HEL-40 should be stored sealed in a cool, dry, ventilated place, with a recommended temperature of 5°C to 35°C; under proper storage conditions, the typical shelf life is 2 years (24 months), subject to the product label. Detailed Description HEL-40 is a non-ionic surctant produced by ethoxylation of natural hydrogenated castor oil. Proper storage is essential to maintain its comprehensive properties such as emulsification, solubilization, and dispersion. The core storage principle for the product is sealed, cool, dry, ventilated. It must be stored in the original sealed container, ensuring the lid is tightly closed and the container remains sealed to prevent moisture absorption or reaction with impurities in the air that may affect product quality. Regarding the shelf life, the Guoli Chemical product database does not provide an exact shelf life in months for HEL-40, but it clearly emphasizes "Managing inventory on a first-in, first-out basis to avoid products exceeding their shelf life." According to general industry standards, for hydrogenated castor oil polyoxyethylene ether non-ionic surctants stored under recommended conditions, the typical shelf life is 2 years (24 months) from the date of manucture. It is recommended that users refer to the specific shelf life indicated on the product packaging label when purchasing and using, and prioritize earlier batches. Summary of Storage Conditions Storage ElementSpecific Requirements Container RequirementOriginal sealed container, ensure lid is tightly closed and container remains sealed Storage Temperature5°C to 35°C (avoid freezing or overheating deterioration) Environmental ConditionCool, dry, well-ventilated, avoid direct sunlight Substances to Keep AwayKeep away from heat sources, ignition sources, strong oxidizers, strong acids, strong bases, and other incompatible substances Area RequirementLaid with impermeable floor, equipped with spill collection cilities Label ManagementKeep container labels intact and legible to avoid misuse Inventory ManagementFollow First-In, First-Out (FIFO) principle to avoid products exceeding shelf life Application Recommendations Before using HEL-40 that has been stored for a long time, it is recommended to observe whether the product appearance is normal—normal state should be light yellow paste to viscous liquid, without stratification, color change, or odor. If the product has been exposed to extreme temperatures (freezing or high heat), it is advisable to conduct a small sample test first to confirm no abnormalities in emulsification and solubilization performance before batch use, to avoid affecting formulation stability. Precautions When the product is in solid or paste form, avoid generating dust; use closed systems or take dust prevention measures during operation. Storage areas should be separated from living and food areas to avoid cross-contamination. In case of leakage, collect small amounts with inert absorbent materials; for large spills, quickly isolate and prevent entry into drains or soil. Disposal of waste should comply with national and local environmental regulations; do not discard arbitrarily. The shelf life information is subject to the product packaging label; the above 2 years is an industry reference value.

Question 7

What safety precautions should be taken when using hydrogenated castor oil polyoxyethylene ether HEL-40?

Accepted Answer

Hydrogenated castor oil polyoxyethylene ether HEL-40 is a non-hazardous substance with high safety under normal use conditions, but basic industrial hygiene practices must still be followed, with special attention to eye protection, ventilation, storage, and emergency response measures. Detailed Explanation Hydrogenated castor oil polyoxyethylene ether HEL-40 (CAS No.: 61788-85-0) is not classified as a hazardous substance or mixture according to the UN GHS classification criteria and does not require mandatory hazard labeling. The product has an acute oral toxicity (rat) LD50 greater than 5000 mg/kg and an acute dermal toxicity (rabbit) LD50 greater than 2000 mg/kg, making it practically non-toxic. It does not cause significant skin irritation, but prolonged or repeated contact may lead to mild detting and dryness, and it may cause slight temporary eye irritation. Despite its overall good safety profile, standard chemical management practices should be followed during routine handling. Work areas should be well-ventilated, and direct contact with eyes, skin, and clothing should be avoided. It is recommended to wear chemical safety goggles and protective gloves. After operation, wash hands and exposed skin thoroughly with mild soap and water. Eating, drinking, and smoking are prohibited in the workplace. Operators should receive training on safe chemical handling and understand the product properties and corresponding protective measures. For storage, keep the product in its original tightly closed container in a cool, dry, and well-ventilated area, away from direct sunlight. The recommended storage temperature is between 5°C and 35°C to prevent freezing or thermal degradation. Keep away from heat sources, ignition sources, and strong oxidizers, and avoid storing with incompatible substances such as strong acids and strong bases. Thermal decomposition may release irritating fumes; avoid inhalation. Summary of Key Safety Operating Points Safety ItemSpecific Requirements Ventilation RequirementsMaintain good ventilation in the work area; provide local exhaust ventilation if necessary Personal ProtectionWear chemical safety goggles and protective gloves; avoid direct contact Storage Temperature5°C to 35°C; avoid extreme temperatures Incompatible MaterialsKeep away from strong oxidizers, strong acids, and strong bases Skin Contact TreatmentRemove contaminated clothing immediately; rinse with plenty of running water and mild soap for at least 15 minutes Eye Contact TreatmentLift eyelids, rinse thoroughly with plenty of running water or saline for at least 15 minutes, rotating eyes to ensure thorough cleaning Ingestion TreatmentRinse mouth with water; do NOT induce vomiting (unless instructed by medical personnel); drink plenty of water to dilute; seek medical attention immediately Fire-fighting MediaWater fog, foam, dry chemical extinguishing agents, carbon dioxide; do not use high-pressure water jets Environmental Safety Recommendations This product is biodegradable, meeting relevant OECD standards, and does not have significant bioaccumulation potential. At recommended usage concentrations, the risk to the aquatic environment is low. However, care should be taken to prevent large quantities of undiluted or untreated product from entering waterways, soil, or public drainage systems. Waste disposal must comply with national and local environmental regulations. In case of a spill, small spills should be collected with inert absorbent materials (e.g., vermiculite, dry sand, or universal absorbent pads) and placed in closed containers; for large spills, isolate the area, build dikes to contain the spill, and prevent it from entering drains or soil. Special Reminders Eye protection is a critical aspect of handling; this product may cause slight eye irritation, so safety goggles must be worn. Heating or burning may produce carbon monoxide, carbon dioxide, and irritating fumes; firefighters should wear self-contained breathing apparatus. Contaminated clothing should be thoroughly washed before reuse; work clothes should be stored separately from personal clothing. For detailed safety instructions, refer to the Safety Data Sheet (SDS) of the product.

Question 8

How to use Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40? What is the recommended dosage?

Accepted Answer

The usage and dosage of HEL-40 vary depending on the application scenario. When used as a solubilizer, it is usually pre-mixed with fragrance/active ingredients and then slowly added with water. When used as an emulsifier, the hot process method is often adopted (oil phase and water phase are separately heated to 70-75°C and then mixed and homogenized). Recommended dosage by application scenario The recommended dosage of Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40 depends on the specific application function. The following are typical recommended ranges for various fields (data are industry general recommendations; the specific dosage should be determined through formulation trials): Application FieldFunctional RoleTypical Dosage (wt%) Cosmetic creams/lotionsO/W emulsifier1.0% – 5.0% Makeup remover oil/waterEmulsifier, solubilizer3.0% – 10.0% Transparent aqueous products (toner, spray)Fragrance/essential oil solubilizer2 – 5 times the amount of fragrance (typically 0.5% – 2.0% in formulation) cial cleanser/shower geltliquoring agent, supertting agent0.5% – 2.0% Textile leveling agentLeveling, softening0.5% – 2.0% (based on bric weight) Metalworking fluid (cutting fluid concentrate)Emulsifier, lubricant5.0% – 20.0% (in concentrate) Hard surce cleanerSurctant, degreasing aid1.0% – 5.0% Pesticide emulsifiable concentrate/microemulsionEmulsifying dispersant5.0% – 15.0% General usage methods and steps As a solubilizer (transparent aqueous system): Premix HEL-40 with the fragrance, essential oil, or oil-soluble active ingredient to be solubilized in a ratio (usually 2-5 times the amount of the fragrance) and stir until homogeneous to form a transparent uniform mixture. Then, under slow stirring, gradually add this mixture into the water phase. Continue stirring to obtain a transparent and stable aqueous system. If cloudiness occurs, it indicates insufficient solubilizer; add more HEL-40 until the system becomes clear. As an O/W emulsifier (cream, lotion systems): Use a hot process. Add HEL-40 to the oil phase and heat together with the oil components to 70-75°C; simultaneously heat the water phase ingredients to the same temperature. Under high-speed homogenization or stirring, slowly add the water phase into the oil phase (or vice versa). Homogenize for 3-5 minutes, then cool to room temperature while stirring to form a fine and stable emulsion. With an HLB value of 13-15, HEL-40 is suitable for use alone as an O/W emulsifier or can be combined with low-HLB emulsifiers to broaden formulation compatibility. As a component in industrial auxiliary formulations: In industrial formulations such as metalworking fluids, cleaners, and pesticide preparations, HEL-40 can be directly mixed with other components at room temperature or under mild heating. The order of addition is usually prior to the water phase or mixing with the base oil. The product may appear pasty below 5°C; it is recommended to warm it in a 15-35°C environment or gently heat to restore fluidity before use. This product has good compatibility with anionic, cationic, and amphoteric surctants, offering high formulation flexibility. Technical parameters (Source: Guoli Chemical Product Database) Parameter ItemSpecification Value AppearanceLight yellow to yellow transparent liquid or paste Ionic TypeNonionic HLB Value13 – 15 Active Content≥99.0% Cloud Point (1% aqueous solution)>100°C pH Value (1% aqueous solution)5.0 – 7.0 Hydroxyl Value60 – 75 mgKOH/g Melting Point23 – 25°C Moisture Content≤1.0% Viscosity (25°C)500 – 1000 mPa·s Density1.04 – 1.06 g/cm³ Critical Micelle Concentration (CMC)Approx. 20 mg/L Surce Tension (0.1% aqueous solution)30 – 35 mN/m Iodine Value≤2.0 CAS Number61788-85-0 Usage precautions Preheating recommendation: The product melting point is 23-25°C. In low-temperature environments, it may appear pasty or semi-solid. It is recommended to warm it to 25-35°C before use for easy pouring and accurate dosing. Do not heat with an open flame. Order of addition: When used as a solubilizer, always premix HEL-40 with essential oil/fragrance first, then slowly add water. If the fragrance is directly added to water followed by HEL-40, the solubilization effect will be significantly worse. Dosage adjustment principle: The amount of HEL-40 required for solubilization is closely related to the polarity and molecular structure of the substance to be solubilized. For fragrances, 2-5 times the amount is typical; some poorly soluble substances may require a higher ratio. It is recommended to determine the optimal ratio through stepwise testing. Safety protection: The product is classified as practically non-toxic, but it may cause mild eye irritation. When weighing and adding, it is recommended to wear protective goggles and gloves. Wash hands after operation. Storage requirements: Store at 5-35°C, keep sealed and protected from light, avoid storing with strong oxidizers. The product is hygroscopic; after opening, use promptly and reseal.

Question 9

What are the main industries and processes where Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40 is applied?

Accepted Answer

Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40 spans five major industries, widely used as an efficient emulsifier, solubilizer, and dispersant in personal care, textile printing and dyeing, metalworking, hard surce cleaning, and pesticide formulations. Detailed Description Hydrogenated Castor Oil Polyoxyethylene Ether HEL-40 (CAS No.: 61788-85-0) is a nonionic surctant derived from natural hydrogenated castor oil through ethoxylation. It appears as a light yellow paste to viscous liquid. With its excellent comprehensive performance in emulsification, solubilization, wetting, and dispersion, as well as good tolerance to acidic/alkaline environments and hard water, this product plays a key role in multiple industrial fields. In cosmetic formulations, HEL-40 serves as a mild O/W emulsifier and efficient solubilizer, evenly dispersing fragrances, essential oils, and oil-soluble active ingredients in aqueous systems to prepare transparent and stable makeup removers, skincare lotions, and shampoo/body wash products. In the textile industry, it is used as a leveling agent, softener, and antistatic finishing agent, significantly improving the uniform dispersion of dyes on synthetic fibers and their blends, imparting a soft and smooth feel to brics. In industrial applications, this product combines emulsifying and lubricating functions, suitable for formulating semi-synthetic and emulsion-type cutting fluids and grinding fluids, providing cooling while forming a lubricating film to reduce friction. In hard surce cleaning, as a low-foaming nonionic surctant, it rapidly emulsifies and removes grease and oil stains, commonly used in kitchen heavy-duty degreasers and multi-purpose cleaning formulations. In pesticide formulations, HEL-40 acts as an emulsifying dispersant, significantly improving the dispersion stability and emulsification performance of active ingredients in liquid formulations such as emulsifiable concentrates (EC), microemulsions (ME), and oil-in-water emulsions (EW), ensuring even spraying and efficacy. Overview of Core Application Industries and Processes Industry Sector Application Role Typical Process/Product Cosmetics and Personal Care O/W emulsifier, solubilizer, emollient Creams, lotions, makeup removers, cial cleansers, shower gels, transparent aqueous systems Textile Printing and Dyeing Auxiliaries Leveling agent, softener, antistatic finishing agent Dyeing of synthetic fibers, finishing of blended brics Metalworking Fluids Emulsifier, lubricating component Semi-synthetic cutting fluids, emulsion-type cutting fluids, grinding fluids Industrial and Household Hard Surce Cleaning Low-foaming nonionic surctant Kitchen heavy-duty degreasers, general hard surce cleaners, multi-purpose cleaning formulations Pesticide Formulations Emulsifying dispersant Emulsifiable concentrates (EC), microemulsions (ME), oil-in-water emulsions (EW) and other liquid formulations Application Suggestions In cosmetic formulations, HEL-40 is especially suitable for transparent aqueous makeup removers and essential oil-containing formulations due to its strong solubilizing capacity and low irritation. In textile processes, it is recommended to be used in combination with anionic or cationic auxiliaries to achieve optimal synergistic effects. In metalworking fluid formulations, HEL-40 can be used together with other lubricating additives and rust inhibitors to enhance overall processing performance. For pesticide formulations, this product performs excellently in emulsifiable concentrates and oil-in-water emulsions, effectively reducing crystallization of active ingredients and extending the shelf life of the formulation. Precautions The product is a light yellow paste to viscous liquid at room temperature; solidification may occur at low temperatures. Recommended storage temperature is between 5°C and 35°C. It is advisable to wear chemical safety goggles and protective gloves during handling to avoid direct contact with eyes. Compatible with various anionic, cationic, and amphoteric surctants, offering high flexibility in formulation design. Good biodegradability, compliant with OECD standards, but still avoid large amounts of untreated product entering water bodies.

Question 10

What are the physical and chemical technical parameters of hydrogenated castor oil polyoxyethylene ether HEL-40?

Accepted Answer

The physical and chemical technical parameters of Guoli Chemical's hydrogenated castor oil polyoxyethylene ether HEL-40 cover nearly 30 indicators including appearance, HLB value, pH value, viscosity, hydroxyl value, etc. It is a nonionic surctant with excellent comprehensive performance. Detailed Description Hydrogenated castor oil polyoxyethylene ether HEL-40 (CAS No.: 61788-85-0) is a nonionic surctant produced by ethoxylation of natural hydrogenated castor oil, with a molecular weight of approximately 2700. It appears as a light yellow to yellow transparent liquid or paste. This product is soluble in water, ethanol and other organic solvents, remains stable and effective under a wide pH range and high hardness water conditions, and has excellent comprehensive properties of emulsification, solubilization, wetting and dispersion. The HLB value of HEL-40 is between 13 and 15, making it a hydrophilic O/W emulsifier. Its cloud point is greater than 100°C (1% aqueous solution), and the critical micelle concentration (CMC) is about 20 mg/L, indicating that it can form micelles at low concentrations for efficient solubilization. The surce tension is 30~35 mN/m (0.1% aqueous solution), effectively reducing the intercial tension of the aqueous phase and improving wetting and spreading properties. The product has an active content of ≥99.0%, moisture ≤1.0%, free alcohol content ≤2.0%, and low unsaturation (iodine value ≤2.0). It is chemically stable and hygroscopic. The flash point is greater than 150°C, making it non-flammable and safe. All parameters above are from the actual measurement data in Guoli Chemical's product database. Technical Parameters Parameter NameSpecification ValueRemarks CAS No.61788-85-0— AppearanceLight yellow to yellow transparent liquid or paste25°C Ionic TypeNonionic— Molecular Weight~2700Complex mixture HLB Value13~15Hydrophilic emulsifier Active Content≥99.0%— pH Value (1% Aqueous Solution)5.0~7.0— Cloud Point (1% Aqueous Solution)>100°CHigh temperature resistant system Moisture≤1.0%— Acid Value≤1.0 mg KOH/g— Saponification Value≤2.0 mg KOH/g— Hydroxyl Value60~75 mg KOH/g— Iodine Value≤2.0 g I₂/100gLow unsaturation Density1.04~1.06 g/cm³25°C Kinematic Viscosity500~900 mm²/s25°C Low Shear Viscosity500~1000 mPa·s25°C Refractive Index1.456~1.46220°C Flash Point>150°CNon-flammable Melting Point23~25°C— Surce Tension (0.1% Aqueous Solution)30~35 mN/m— Critical Micelle Concentration (CMC)Approx. 20 mg/L— Free Alcohol Content≤2.0%— Foaming PropertyMedium foam— SolubilitySoluble in water, ethanol and other organic solvents— Alkali ResistanceGood— Chemical StabilityStable— HygroscopicityHygroscopic— Heavy Metals≤10 mg/kg— Arsenic (As)≤2 mg/kg— Packaging Specification50kg plastic drum / 200kg plastic drum / 1000kg IBC tote— Application Recommendations With an HLB value of 13~15 and a cloud point greater than 100°C, HEL-40 exhibits excellent solubilizing and emulsifying capabilities in aqueous formulations. It is particularly suitable for transparent water-based systems (such as micellar water, cial sprays, fragrance solubilization) and O/W cream and lotion formulations. For solubilizing fragrances and essential oils, the recommended ratio of HEL-40 to oil-soluble components is generally 3:1 to 5:1, and dissolution can be cilitated by stirring or mild heating. When used as an O/W emulsifier, the recommended dosage is 1% to 5% of the total formulation. In metalworking fluids, HEL-40 provides both emulsifying and lubricating functions, with a recommended dosage of 5% to 15% of the concentrate. In pesticide formulations, it serves as an emulsifying dispersant, effectively improving the stability of emulsifiable concentrates, microemulsions, and emulsion concentrates. The recommended dosage should be adjusted within the range of 2% to 8% depending on the characteristics of the active ingredient. This product exhibits medium foam, making it also suitable for low-foaming industrial cleaning formulations. Precautions Operational Protection: Although it is a practically non-toxic product, it is still recommended to wear chemical safety goggles and protective gloves during operation to avoid prolonged contact with eyes and skin. Storage Conditions: Recommended storage temperature is 5°C to 35°C, sealed and protected from light. The product has a melting point of 23~25°C,

Hydrogenated Castor Oil Ethoxylate HEL-40

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Property	Value
CAS No.	61788-85-0
Molecular Formula	Complex mixture
Appearance	White to pale yellow paste or waxy solid
Ionic Type	Nonionic
Avg. Molecular Weight	~2700
Cloud Point	>100°C (1%aq. soln.)
Active Content	≥99.0%
pH Value(1%)	5.0-7.0
pH Value(5%)	5.0-7.0
Iodine Value	≤2.0
Solubility	Readily soluble in water
Surface Tension	30-35 (0.1%aq. soln., mN/m)
CMC	~20 mg/L
Acid Value	≤1.0
Saponification Value	≤2.0
Hydroxyl Value	60~75
Moisture	≤1.0
Density	1.04-1.06
Kinematic Viscosity	500-900 (25°C, mm²/s)
Refractive Index	1.456-1.462 (20°C)
Flash Point	>150°C
Hygroscopicity	Hygroscopic
Chemical Stability	Stable
Penetration	Good
Foam Property	Medium foam
Alkali Resistance	Good
Unsaturation	Low
Viscosity	500-1000 mPa·s (25°C)
Melting Point	23~25
Low Shear Viscosity	500-1000 mPa·s (25°C)
Solid Content	≥99%
Free Alcohol	≤2.0%
Heavy Metal	≤10 mg/kg
Arsenic	≤2 mg/kg

Hydrogenated Castor Oil Ethoxylate HEL-40

Product Details

Applications

Properties

Safety

Product Overview

Performance Features

Packaging and Storage

Castor Oil Ethoxylate Applications

Product Properties

Safety

GHS

Handling

Storage

First Aid

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