Question 1

Is polyoxyethylene stearate SG-40 harmful to human health? Does it have an impact on the environment?

Accepted Answer

Polyoxyethylene stearate SG-40 is a low-toxicity, low-irritation non-hazardous chemical with high safety for human health, and it exhibits excellent biodegradability, with minimal impact on the environment. Detailed Description Polyoxyethylene stearate SG-40 (CAS No.: 9004-99-3) is a non-ionic surctant. According to GHS classification criteria, this product is not classified as a hazardous substance or mixture. Toxicological data indicate that its acute oral toxicity is extremely low (rat LD50 > 5000 mg/kg), placing it in the low toxicity category, and its health risks in routine industrial use are controllable. Under normal operating conditions, as long as basic safety practices are followed (wearing gloves, safety goggles, and ensuring adequate ventilation), it poses no harm to operators. Regarding skin and eye irritation, this product has passed OECD 404 and OECD 405 standard tests, showing no irritation to skin or eyes. Additionally, OECD 406 testing indicates no skin sensitization. Furthermore, available data do not show mutagenicity, reproductive toxicity, or specific target organ toxicity. Therefore, when used as an emulsifier in personal care products and cosmetics, it is safe for human health. From an environmental perspective, this product exhibits low toxicity to aquatic organisms (fish LC50 > 100 mg/L), making it an environmentally friendly chemical for aquatic ecosystems. More importantly, it has good biodegradability, meeting OECD 301 standards, and can be effectively degraded by microorganisms once released into the environment, making it unlikely to accumulate in ecosystems over the long term. In terms of bioaccumulation potential, although its log Pow value is relatively high, due to its high molecular weight and low bioavailability, its bioaccumulation potential is expected to be low. Technical Parameters Assessment ItemTest Method/StandardResult Acute Oral Toxicity (Rat)—LD50 > 5000 mg/kg, Low toxicity Skin Corrosion/IrritationOECD 404Non-irritating Serious Eye Damage/IrritationOECD 405Non-irritating Skin SensitizationOECD 406Non-sensitizing Mutagenicity—Does not cause genetic toxicity Reproductive Toxicity—Not classified as a reproductive toxicant Aquatic Toxicity (Fish)—LC50 > 100 mg/L, Low toxicity BiodegradabilityOECD 301Readily biodegradable Bioaccumulation Potential—Expected to be low GHS Classification—Not classified as a hazardous substance or mixture Application Recommendations Based on its excellent safety profile, SG-40 is widely used in various industries: in cosmetics and personal care products as an O/W emulsifier and solubilizer for creams, lotions, shampoos, and body washes; in textile printing and dyeing as a softener and antistatic agent; and in pesticide formulations as an emulsifying and dispersing carrier. These applications all benefit from its low toxicity and non-irritating properties. Precautions It is recommended to wear nitrile rubber gloves and safety goggles during operation. Although non-irritating, avoid prolonged direct contact. Avoid discharging large quantities of the product directly into drains or natural water bodies. Although readily biodegradable, high concentrations may cause temporary local effects on water bodies. Dispose of waste in accordance with local environmental regulations. High-temperature incineration or handing over to a qualified waste disposal contractor is recommended. Store in a cool, dry, and well-ventilated environment (5°C ~ 35°C), away from strong oxidizers. Shelf life is typically 12 months. This product is not flammable (flash point > 200°C) and has no explosion risk. However, it should still be kept away from high temperatures to prevent thermal decomposition that may produce irritating vapors.

Question 2

What should I do if problems occur during the use of Stearyl Polyoxyethylene Ether SG-40? How to obtain technical support?

Accepted Answer

If you encounter usage problems, please first check the product database for common symptoms. For emergencies, follow the safety instructions and obtain professional technical support through the official channels of Guoli Chemical. Common Usage Issues and Troubleshooting Suggestions Stearyl Polyoxyethylene Ether SG-40 is stable under normal use conditions, but the following problems are relatively common and can be self-checked first: Product caking or difficult to take out: The melting point of this product is 48-52°C, and it is a waxy solid at room temperature. If the storage temperature exceeds 35°C, it may soften and cake; if it is below 5°C, it may harden. It is recommended to place the product in an environment of 20-25°C to restore it before use. Do not directly bake at high temperatures. Poor emulsification effect: The HLB value of this product is 16-17, and it is an O/W type emulsifier. If the HLB value does not match the oil phase, try compounding with a low HLB value emulsifier (such as SG-6, SG-10) to adjust. It is recommended to pre-melt SG-40 in a 60-70°C water bath before adding it to the oil phase, with a stirring speed not lower than 500 rpm, and an emulsification time of not less than 15 minutes. Turbid or stratified solution: Check if the water hardness is too high. This product has good hard water resistance, but extreme water quality may still affect it. The pH value of a 1% aqueous solution should be controlled within the range of 5.0-7.0. If it deviates from this range, check whether the raw materials or process have introduced acid or alkali residues. Excessive foaming: SG-40 is a low-foaming surctant. If abnormal foam appears, it may be due to improper compounding ratio with other high-foaming surctants. It is recommended to reduce the amount of anionic surctant or add a trace amount of defoamer. Emergency Treatment (According to Product Safety Data Sheet) In case of accidental contact or leakage, strictly follow the steps below: Skin contact: Immediately rinse with plenty of water and soap for at least 15 minutes, and remove contaminated clothing. This product is non-irritating, but rinsing can completely remove residues. If irritation persists, seek medical attention. Eye contact: Rinse gently with running water or saline for at least 15 minutes, keeping eyelids open. If discomfort persists, seek medical examination. Inhalation of dust: Move the person to fresh air. If discomfort persists, seek medical attention promptly. Product leakage: For small spills, absorb with inert materials such as sand or vermiculite and collect into a closed container; for large spills, dike and contain, pump into a spare container. Wash water should not be discharged into sewers; collect and dispose of in accordance with environmental regulations. Ingestion: Rinse mouth immediately, do not induce vomiting, and drink 1-2 glasses of water. If a large amount is ingested or discomfort occurs, seek medical attention immediately and present the product safety data sheet. Technical Parameter Quick Reference Table When troubleshooting, you can compare the following key indicators to confirm whether the product is within the normal range: Parameter ItemIndicator ValueDescription AppearanceWhite to light yellow waxy solidAbnormal darkening may indicate overheating during storage or expiration Melting Point48-52°CExcessive deviation may affect emulsification process HLB Value16-17Suitable for O/W emulsion systems pH of 1% Aqueous Solution5.0-7.0Out of range, check water quality and compatible raw materials Acid Value≤2 mgKOH/gIncrease suggests possible hydrolysis and deterioration Saponification Value25-35 mgKOH/gDeviation requires checking batch quality issues Moisture Content≤1.0%Excessively high may affect solid state and emulsification efficiency Active Content≥99%Core quality control indicator Cloud Point>100°CConfirms applicability in high-temperature systems Storage Temperature5°C - 35°CExceeding this range may accelerate deterioration Shelf Life12 months (from date of production)After expiration, re-test to determine usability How to Obtain Technical Support from Guoli Chemical Hai'an Guoli Chemical Co., Ltd. is the manucturer of this product and has a complete technical service team. If the problem cannot be resolved through the above checks, it is recommended to obtain professional support through the following methods: Contact the sales representative: Directly contact the Guoli Chemical sales manager listed on the supply contract or order, provide the product batch number (printed on the packaging bag), production date, and problem description. Technical staff will respond within 1-2 working days. Call the corporate service hotline: Check the latest technical service phone number on the Guoli Chemical official website (www.guolichemical.com) to get an immediate response during working hours. Send an email for consultation: Send a detailed description of the problem, on-site photos or videos, process parameters, and other information to the corporate technical support email, so engineers can perform remote diagnosis. Send samples for testing: If a batch abnormality is suspected, negotiate to send retained samples back to the Guoli Chemical quality inspection center for re-testing. The testing cycle is usually 3-5 working days. Test items can refer to the above technical parameter table. On-site technical service: For major process issues, you can schedule a visit from a Guoli Chemical application engineer for on-site guidance to help adjust the formula or optimize usage conditions. Please prepare the following information before contacting technical support Product name and batch number (printed on the side of the packaging bag) Production date and shelf life status Storage conditions (temperature, humidity, whether opened) Usage process parameters (temperature, pH value, dosage ratio, compatible raw materials) Detailed description of the problem phenomenon (photos or videos are better)

Question 3

How to purchase Stearic Acid Polyoxyethylene Ether SG-40? What is the minimum order quantity?

Accepted Answer

Stearic Acid Polyoxyethylene Ether SG-40 can currently be purchased directly by contacting the Guoli Chemical sales team. The product is conventionally packaged in 20kg woven bags. Detailed Description Stearic Acid Polyoxyethylene Ether SG-40 (CAS: 9004-99-3) is one of the main nonionic surctant products of Guoli Chemical. Since chemical raw material prices are affected by multiple ctors such as market conditions, raw material costs, order quantity, and transportation distance, product prices change in real time, and the prices in the database are for reference only. The actual transaction price needs to be confirmed with the sales team before it can be locked in. The conventional packaging specification for this product is 20kg woven bags, which are convenient for storage, transportation, and workshop feeding. Regarding the minimum order quantity (MOQ), the database does not have a clear indication. Usually, the minimum order unit is one bag (20kg), but the specific minimum order quantity may be adjusted based on inventory status, customer type, and regional logistics conditions. It is recommended to directly consult the Guoli Chemical sales team for the accurate MOQ and tiered pricing. Purchase Contact Suggestions Please prepare the following information before placing an order so that the sales team can provide you with a precise quotation quickly: Product name and specification: Stearic Acid Polyoxyethylene Ether SG-40 Estimated purchase quantity (e.g., 100kg, 1 ton, etc.) Receiving address (for shipping cost calculation) Invoice information (if VAT invoice required) Precautions This product is non-hazardous and has no special transportation restrictions. However, storage should be kept cool, dry, and well-ventilated, with a recommended storage temperature of 5°C ~ 35°C. The product shelf life is 12 months (from the production date). When purchasing, please reasonably plan batch quantities according to usage to avoid expired stock.

Question 4

Does the Stearic Acid Polyoxyethylene Ether SG-40 meet environmental requirements? Can a test report be provided?

Accepted Answer

Stearic Acid Polyoxyethylene Ether SG-40

Stearic Acid Polyoxyethylene Ether SG-40 is a nonionic surfactant used as a textile softener, imparting soft and smooth hand feel to fabrics, also used in synthetic fiber oil agents.

CAS No. 9004-99-3

Packaging 20kg woven bag

Updated 2026-06-11

Reference Price： 10386.92 ¥/ton

Updated: 2026-06-11

SDS Report Product Manual

Sales Inquiry

Product Overview

Stearic Acid Polyoxyethylene Ether SG-40 (CAS 9004-99-3) is a high ethoxylation degree nonionic surfactant with excellent emulsifying, dispersing, wetting, softening and antistatic properties. It is widely used in textile softening and antistatic treatment, cosmetic cream and lotion solubilization, metalworking lubrication and cooling, pesticide emulsification and dispersion, and papermaking deinking and softening. Guoli Chemical provides original factory production with stable quality, samples and professional application technical support.

Performance Features

High water solubility: The 40 EO units provide strong hydrophilicity, forming clear aqueous solutions.
Excellent softening effect: Imparts a superior soft and smooth hand feel to fabrics, especially synthetic fibers and blends.
Good antistatic properties: Effectively dissipates static charges on fibers during processing and in finished textiles.
Effective emulsification: Produces stable O/W emulsions for cosmetic and industrial applications.

Application Guidelines

Textile Softener: 0.2%-1% applied by padding or exhaustion.
Synthetic Fiber Oil Agent: 0.1%-0.5% in spinning oil formulations.
Cosmetic Emulsifier: 1%-5% in creams and lotions.

Packaging and Storage

20kg woven bag. Store in a cool, dry place. Shelf life: 24 months.

Stearic Acid Polyoxyethylene Ether SG-40 Applications

Textile softener: Excellent softening for synthetic fibers and blends. Dosage: 0.2%-1%.
Cosmetic emulsifier: In creams and lotions. Dosage: 1%-5%.
Synthetic fiber oil agent: Lubrication and antistatic. Dosage: 0.1%-0.5%.
Metalworking fluids: Lubrication and cooling.
Papermaking: Deinking and softening agent.

Product Properties

Property	Value
CAS No.	9004-99-3
Molecular Formula	RO(CH₂CH₂O)ₙH (R=C16-18, n=40)
Appearance	White to pale yellow waxy solid
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 2045
Cloud Point	>100°C
Active Content	≥99
pH Value(1%)	5.0-7.0
pH Value(5%)	5.0-7.0
Iodine Value	≤1
Solubility	Readily soluble in water and organic solvents
Surface Tension	~42 (1%aq. soln., 25°C)
CMC	~0.005%
Acid Value	≤2
Saponification Value	25-35
Hydroxyl Value	~28
Moisture	≤1.0
Density	~1.05
Kinematic Viscosity	N/A (solid)
Refractive Index	~1.456 (60°C)
Flash Point	>150°C
Hygroscopicity	Low
Chemical Stability	Resistant to acids, alkalis and hard water; chemically stable
Foam Property	Low foam
Alkali Resistance	Alkali resistant
Unsaturation	Low
Melting Point	48-52°C
Monoester Content	≥90
Diester Content	≤5
Solid Content	≥99
Free Alcohol	≤1
Heavy Metal	≤10
Arsenic	≤2

Stearic Acid Polyoxyethylene Ether SG-40 Safety

GHS Classification

Not classified as hazardous under GHS
Not flammable or oxidizing

Handling

Wear protective gloves and safety goggles.
Ensure good ventilation. Avoid inhaling dust.
Avoid eye and skin contact. Wash after handling.

Storage

Cool, dry, well-ventilated at 5-40°C. Keep container closed.

First Aid

Skin: Wash with soap and water.
Eyes: Rinse 15 min with water.
Inhalation: Move to fresh air.
Ingestion: Rinse mouth. Drink water. Seek medical attention.

Question 5

What advantages does Stearic Acid Polyoxyethylene Ether SG-40 have compared to similar products?

Accepted Answer

Guoli Chemical SG-40 establishes significant comprehensive advantages among similar stearic acid polyoxyethylene ether products due to its excellent hydrophilicity, electrolyte tolerance, and all-around safety. Detailed Description Among the stearic acid polyoxyethylene ether series, SG-40 has a high ethylene oxide (EO) addition number of up to 40, r exceeding conventional low-EO products (e.g., SG-9 with only 9 EO), enabling a qualitative leap in hydrophilicity. The high EO content endows SG-40 with a higher HLB value and better water solubility/dispersibility, making it an excellent emulsifier specifically designed for O/W (oil-in-water) systems, capable of forming stable and fine emulsions, while low-EO products are more lipophilic and suitable for W/O systems or as auxiliary emulsifiers. This structural difference gives SG-40 an irreplaceable advantage in aqueous formulations such as creams and lotions. Another core advantage of SG-40 is its strong electrolyte tolerance. Its molecular structure maintains excellent surce activity even in acidic, alkaline, and high-concentration salt solutions, without salting out or demulsifying easily. Compared to certain ionic surctants or ordinary nonionic surctants that tend to deactivate in complex electrolyte environments, SG-40 exhibits outstanding chemical stability and reliable emulsification performance in extreme formulations such as metalworking fluids (containing large amounts of inorganic salts) and pesticide formulations (containing electrolyte fertilizers). In terms of safety and environmental protection, Guoli Chemical SG-40 has complete safety data verified by authoritative toxicological assessments: acute oral toxicity LD50 > 5000 mg/kg (low toxicity), non-irritating to skin and eyes (OECD 404/405), no skin sensitization (OECD 406), no mutagenicity or reproductive toxicity, and meets the OECD 301 ready biodegradability standard. This comprehensive safety profile makes it more trusted by formulation engineers in applications involving direct contact with the human body, such as cosmetics and personal care products, compared to similar products with incomplete safety data. Technical Parameters Comparison DimensionGuoli Chemical SG-40Similar Low-EO Products (e.g., SG-9)General Industry Similar Products EO Addition Number~40~96~100 varies HLB Value (Hydrophilic-Lipophilic Balance)High (hydrophilic, suitable for O/W systems)Low (lipophilic, suitable for W/O systems)Varies with EO number AppearanceWhite to slightly yellow waxy solidWhite to light yellow flake solidPaste to solid Water Solubility/DispersibilityExcellent, can be well dispersed in waterLimited, requires auxiliary dispersionDepends on EO number Electrolyte ToleranceStrong (stable in acid, alkali, and high salt)ModerateVariable Melting Point RangeApproximately 30~40°CLower (approximately 20~30°C)Depends on structure Acute Oral Toxicity (LD50)>5000 mg/kg (low toxicity)Not availableUsually low toxicity Skin IrritationNon-irritating (OECD 404)Not availableCase-by-case evaluation BiodegradabilityReadily biodegradable (OECD 301)Not availableUsually biodegradable Note: SG-9 data from Guoli Chemical product database; industry similar products are general reference ranges and vary by manucturer. Application Suggestions Cosmetics and Personal Care: SG-40 is an ideal O/W emulsifier and solubilizer for creams, lotions, shampoos, and shower gels, with a recommended dosage of 1%~5%. Its non-irritating and odorless properties make it especially suitable for sensitive skin formulations and high-end skincare products. Textile Printing and Dyeing Auxiliaries: Used as a softener and antistatic agent at a recommended dosage of 0.5%~3%, it significantly improves the hand feel of synthetic fibers and blended brics, reduces static buildup, and enhances leveling effects. Metalworking Fluids: Exerts dual functions of lubrication and emulsification in emulsified cutting and grinding fluids at a recommended dosage of 2%~8%, demonstrating outstanding emulsion stability in high-salt formulations. Pesticide Formulations: Acts as an emulsifying dispersion carrier at a recommended dosage of 3%~10%, ensuring stable emulsification or suspension of active ingredients in water, improving spreading and utilization rates. Paper Industry: Used in denkinking agents for waste paper and paper softeners, promoting ink separation and improving paper softness, suitable for tissue paper, napkins, and other household paper products. Precautions This product is non-hazardous, but it is recommended to store in a cool, dry environment at 5°C~35°C, avoiding high temperature melting and caking. Seal promptly after opening to prevent moisture absorption. Nitrile rubber gloves and safety goggles are recommended during handling to avoid prolonged skin contact. Avoid co-storage with strong oxidizers (such as peroxides, perchlorates).

Question 6

How to store Stearyl Alcohol Polyoxyethylene Ether SG-40? What is the shelf life?

Accepted Answer

Stearyl Alcohol Polyoxyethylene Ether SG-40 should be stored in a cool, dry, and well-ventilated environment. Recommended temperature is 5°C~35°C, sealed and moisture-proof. Under proper storage conditions, the shelf life is 12 months. Detailed Explanation Stearyl Alcohol Polyoxyethylene Ether SG-40 is a white to slightly yellow waxy solid at room temperature, with a melting point of approximately 30-40°C (depending on the degree of polymerization). Therefore, temperature control during storage is particularly critical. Excessive heat may cause the product to melt and agglomerate, affecting its performance. Too low a temperature may cause the product to solidify and harden, which does not affect its chemical properties but may cause inconvenience during material retrieval. It is recommended to maintain the warehouse temperature within the stable range of 5°C~35°C. Since this product is a nonionic surctant containing polyoxyethylene segments in its molecular structure, it has certain hygroscopicity. If not sealed promptly after opening, the product may absorb moisture from the air, leading to surce deliquescence or agglomeration. Therefore, the packaging container must be kept airtight. Use original packaging or containers made of compatible materials such as stainless steel or plastic, and reseal immediately after each use. In terms of chemical stability, SG-40 is stable under normal storage conditions. However, it should be kept away from strong oxidizing agents (such as peroxides, perchlorates, etc.) to avoid adverse reactions. The flash point of the product is above 200°C, making it non-flammable and non-explosive. Nevertheless, it should still be kept away from heat sources, flames, and direct sunlight, not only for safety considerations but also to maintain the long-term stability of product quality. Storage Condition Summary Storage ElementSpecific Requirements Storage Temperature5°C ~ 35°C (to prevent melting and agglomeration at high temperatures or solidification and deterioration at low temperatures) Environmental RequirementsCool, dry, and well-ventilated Light RequirementsAvoid direct sunlight Heat Source ManagementKeep away from heat sources and flames Container RequirementsKeep airtight, use stainless steel or plastic containers; reseal immediately after opening Incompatible MaterialsAvoid co-storage with strong oxidizing agents (peroxides, perchlorates, etc.) Shelf Life12 months from date of manucture (expired products need retesting to determine usability) Application Recommendations To ensure optimal performance when using the product, it is recommended to follow the "first-in, first-out" inventory management principle. If the product is approaching its shelf life or exhibits abnormal conditions (such as significant color darkening, odor generation, severe agglomeration that cannot be crushed), it is advisable to conduct small-scale tests before use to verify whether the emulsifying performance and dispersion effect still meet process requirements. Expired products are not necessarily ineffective, but they must be retested and qualified before continued use. Precautions Handle with care during transportation to prevent packaging damage and material spillage. Since the product has a low melting point, special attention should be paid to temperature changes during high-temperature summer transportation or storage, and cooling measures should be taken if necessary. In case of minor leakage, use inert absorbent materials (such as sand, vermiculite) to adsorb and collect into airtight containers for disposal. Avoid leakage into drains, waterways, or soil. Dispose of collected residues according to local regulations. Storage areas should be equipped with necessary fire-fighting equipment. Although the product is non-flammable, there may be other fire sources in the surrounding environment.

Question 7

What safety precautions should be taken when using Stearic Acid Polyoxyethylene Ether SG-40?

Accepted Answer

Stearic Acid Polyoxyethylene Ether SG-40

Stearic Acid Polyoxyethylene Ether SG-40 is a nonionic surfactant used as a textile softener, imparting soft and smooth hand feel to fabrics, also used in synthetic fiber oil agents.

CAS No. 9004-99-3

Packaging 20kg woven bag

Updated 2026-06-11

Reference Price： 10386.92 ¥/ton

Updated: 2026-06-11

SDS Report Product Manual

Sales Inquiry

Product Overview

Stearic Acid Polyoxyethylene Ether SG-40 (CAS 9004-99-3) is a high ethoxylation degree nonionic surfactant with excellent emulsifying, dispersing, wetting, softening and antistatic properties. It is widely used in textile softening and antistatic treatment, cosmetic cream and lotion solubilization, metalworking lubrication and cooling, pesticide emulsification and dispersion, and papermaking deinking and softening. Guoli Chemical provides original factory production with stable quality, samples and professional application technical support.

Performance Features

High water solubility: The 40 EO units provide strong hydrophilicity, forming clear aqueous solutions.
Excellent softening effect: Imparts a superior soft and smooth hand feel to fabrics, especially synthetic fibers and blends.
Good antistatic properties: Effectively dissipates static charges on fibers during processing and in finished textiles.
Effective emulsification: Produces stable O/W emulsions for cosmetic and industrial applications.

Application Guidelines

Textile Softener: 0.2%-1% applied by padding or exhaustion.
Synthetic Fiber Oil Agent: 0.1%-0.5% in spinning oil formulations.
Cosmetic Emulsifier: 1%-5% in creams and lotions.

Packaging and Storage

20kg woven bag. Store in a cool, dry place. Shelf life: 24 months.

Stearic Acid Polyoxyethylene Ether SG-40 Applications

Textile softener: Excellent softening for synthetic fibers and blends. Dosage: 0.2%-1%.
Cosmetic emulsifier: In creams and lotions. Dosage: 1%-5%.
Synthetic fiber oil agent: Lubrication and antistatic. Dosage: 0.1%-0.5%.
Metalworking fluids: Lubrication and cooling.
Papermaking: Deinking and softening agent.

Product Properties

Property	Value
CAS No.	9004-99-3
Molecular Formula	RO(CH₂CH₂O)ₙH (R=C16-18, n=40)
Appearance	White to pale yellow waxy solid
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 2045
Cloud Point	>100°C
Active Content	≥99
pH Value(1%)	5.0-7.0
pH Value(5%)	5.0-7.0
Iodine Value	≤1
Solubility	Readily soluble in water and organic solvents
Surface Tension	~42 (1%aq. soln., 25°C)
CMC	~0.005%
Acid Value	≤2
Saponification Value	25-35
Hydroxyl Value	~28
Moisture	≤1.0
Density	~1.05
Kinematic Viscosity	N/A (solid)
Refractive Index	~1.456 (60°C)
Flash Point	>150°C
Hygroscopicity	Low
Chemical Stability	Resistant to acids, alkalis and hard water; chemically stable
Foam Property	Low foam
Alkali Resistance	Alkali resistant
Unsaturation	Low
Melting Point	48-52°C
Monoester Content	≥90
Diester Content	≤5
Solid Content	≥99
Free Alcohol	≤1
Heavy Metal	≤10
Arsenic	≤2

Stearic Acid Polyoxyethylene Ether SG-40 Safety

GHS Classification

Not classified as hazardous under GHS
Not flammable or oxidizing

Handling

Wear protective gloves and safety goggles.
Ensure good ventilation. Avoid inhaling dust.
Avoid eye and skin contact. Wash after handling.

Storage

Cool, dry, well-ventilated at 5-40°C. Keep container closed.

First Aid

Skin: Wash with soap and water.
Eyes: Rinse 15 min with water.
Inhalation: Move to fresh air.
Ingestion: Rinse mouth. Drink water. Seek medical attention.

Question 8

How to use Stearic Acid Polyoxyethylene Ether SG-40? What is the recommended dosage?

Accepted Answer

Stearic Acid Polyoxyethylene Ether SG-40

Stearic Acid Polyoxyethylene Ether SG-40 is a nonionic surfactant used as a textile softener, imparting soft and smooth hand feel to fabrics, also used in synthetic fiber oil agents.

CAS No. 9004-99-3

Packaging 20kg woven bag

Updated 2026-06-11

Reference Price： 10386.92 ¥/ton

Updated: 2026-06-11

SDS Report Product Manual

Sales Inquiry

Product Overview

Stearic Acid Polyoxyethylene Ether SG-40 (CAS 9004-99-3) is a high ethoxylation degree nonionic surfactant with excellent emulsifying, dispersing, wetting, softening and antistatic properties. It is widely used in textile softening and antistatic treatment, cosmetic cream and lotion solubilization, metalworking lubrication and cooling, pesticide emulsification and dispersion, and papermaking deinking and softening. Guoli Chemical provides original factory production with stable quality, samples and professional application technical support.

Performance Features

High water solubility: The 40 EO units provide strong hydrophilicity, forming clear aqueous solutions.
Excellent softening effect: Imparts a superior soft and smooth hand feel to fabrics, especially synthetic fibers and blends.
Good antistatic properties: Effectively dissipates static charges on fibers during processing and in finished textiles.
Effective emulsification: Produces stable O/W emulsions for cosmetic and industrial applications.

Application Guidelines

Textile Softener: 0.2%-1% applied by padding or exhaustion.
Synthetic Fiber Oil Agent: 0.1%-0.5% in spinning oil formulations.
Cosmetic Emulsifier: 1%-5% in creams and lotions.

Packaging and Storage

20kg woven bag. Store in a cool, dry place. Shelf life: 24 months.

Stearic Acid Polyoxyethylene Ether SG-40 Applications

Textile softener: Excellent softening for synthetic fibers and blends. Dosage: 0.2%-1%.
Cosmetic emulsifier: In creams and lotions. Dosage: 1%-5%.
Synthetic fiber oil agent: Lubrication and antistatic. Dosage: 0.1%-0.5%.
Metalworking fluids: Lubrication and cooling.
Papermaking: Deinking and softening agent.

Product Properties

Property	Value
CAS No.	9004-99-3
Molecular Formula	RO(CH₂CH₂O)ₙH (R=C16-18, n=40)
Appearance	White to pale yellow waxy solid
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 2045
Cloud Point	>100°C
Active Content	≥99
pH Value(1%)	5.0-7.0
pH Value(5%)	5.0-7.0
Iodine Value	≤1
Solubility	Readily soluble in water and organic solvents
Surface Tension	~42 (1%aq. soln., 25°C)
CMC	~0.005%
Acid Value	≤2
Saponification Value	25-35
Hydroxyl Value	~28
Moisture	≤1.0
Density	~1.05
Kinematic Viscosity	N/A (solid)
Refractive Index	~1.456 (60°C)
Flash Point	>150°C
Hygroscopicity	Low
Chemical Stability	Resistant to acids, alkalis and hard water; chemically stable
Foam Property	Low foam
Alkali Resistance	Alkali resistant
Unsaturation	Low
Melting Point	48-52°C
Monoester Content	≥90
Diester Content	≤5
Solid Content	≥99
Free Alcohol	≤1
Heavy Metal	≤10
Arsenic	≤2

Stearic Acid Polyoxyethylene Ether SG-40 Safety

GHS Classification

Not classified as hazardous under GHS
Not flammable or oxidizing

Handling

Wear protective gloves and safety goggles.
Ensure good ventilation. Avoid inhaling dust.
Avoid eye and skin contact. Wash after handling.

Storage

Cool, dry, well-ventilated at 5-40°C. Keep container closed.

First Aid

Skin: Wash with soap and water.
Eyes: Rinse 15 min with water.
Inhalation: Move to fresh air.
Ingestion: Rinse mouth. Drink water. Seek medical attention.

Question 9

What are the main industries and processes where Stearic Acid Polyoxyethylene Ether SG-40 is applied?

Accepted Answer

Stearic Acid Polyoxyethylene Ether SG-40

Stearic Acid Polyoxyethylene Ether SG-40 is a nonionic surfactant used as a textile softener, imparting soft and smooth hand feel to fabrics, also used in synthetic fiber oil agents.

CAS No. 9004-99-3

Packaging 20kg woven bag

Updated 2026-06-11

Reference Price： 10386.92 ¥/ton

Updated: 2026-06-11

SDS Report Product Manual

Sales Inquiry

Product Overview

Stearic Acid Polyoxyethylene Ether SG-40 (CAS 9004-99-3) is a high ethoxylation degree nonionic surfactant with excellent emulsifying, dispersing, wetting, softening and antistatic properties. It is widely used in textile softening and antistatic treatment, cosmetic cream and lotion solubilization, metalworking lubrication and cooling, pesticide emulsification and dispersion, and papermaking deinking and softening. Guoli Chemical provides original factory production with stable quality, samples and professional application technical support.

Performance Features

High water solubility: The 40 EO units provide strong hydrophilicity, forming clear aqueous solutions.
Excellent softening effect: Imparts a superior soft and smooth hand feel to fabrics, especially synthetic fibers and blends.
Good antistatic properties: Effectively dissipates static charges on fibers during processing and in finished textiles.
Effective emulsification: Produces stable O/W emulsions for cosmetic and industrial applications.

Application Guidelines

Textile Softener: 0.2%-1% applied by padding or exhaustion.
Synthetic Fiber Oil Agent: 0.1%-0.5% in spinning oil formulations.
Cosmetic Emulsifier: 1%-5% in creams and lotions.

Packaging and Storage

20kg woven bag. Store in a cool, dry place. Shelf life: 24 months.

Stearic Acid Polyoxyethylene Ether SG-40 Applications

Textile softener: Excellent softening for synthetic fibers and blends. Dosage: 0.2%-1%.
Cosmetic emulsifier: In creams and lotions. Dosage: 1%-5%.
Synthetic fiber oil agent: Lubrication and antistatic. Dosage: 0.1%-0.5%.
Metalworking fluids: Lubrication and cooling.
Papermaking: Deinking and softening agent.

Product Properties

Property	Value
CAS No.	9004-99-3
Molecular Formula	RO(CH₂CH₂O)ₙH (R=C16-18, n=40)
Appearance	White to pale yellow waxy solid
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 2045
Cloud Point	>100°C
Active Content	≥99
pH Value(1%)	5.0-7.0
pH Value(5%)	5.0-7.0
Iodine Value	≤1
Solubility	Readily soluble in water and organic solvents
Surface Tension	~42 (1%aq. soln., 25°C)
CMC	~0.005%
Acid Value	≤2
Saponification Value	25-35
Hydroxyl Value	~28
Moisture	≤1.0
Density	~1.05
Kinematic Viscosity	N/A (solid)
Refractive Index	~1.456 (60°C)
Flash Point	>150°C
Hygroscopicity	Low
Chemical Stability	Resistant to acids, alkalis and hard water; chemically stable
Foam Property	Low foam
Alkali Resistance	Alkali resistant
Unsaturation	Low
Melting Point	48-52°C
Monoester Content	≥90
Diester Content	≤5
Solid Content	≥99
Free Alcohol	≤1
Heavy Metal	≤10
Arsenic	≤2

Stearic Acid Polyoxyethylene Ether SG-40 Safety

GHS Classification

Not classified as hazardous under GHS
Not flammable or oxidizing

Handling

Wear protective gloves and safety goggles.
Ensure good ventilation. Avoid inhaling dust.
Avoid eye and skin contact. Wash after handling.

Storage

Cool, dry, well-ventilated at 5-40°C. Keep container closed.

First Aid

Skin: Wash with soap and water.
Eyes: Rinse 15 min with water.
Inhalation: Move to fresh air.
Ingestion: Rinse mouth. Drink water. Seek medical attention.

Question 10

What are the physicochemical technical parameters of Stearic Acid Polyoxyethylene Ether SG-40?

Accepted Answer

Stearic Acid Polyoxyethylene Ether SG-40

Stearic Acid Polyoxyethylene Ether SG-40 is a nonionic surfactant used as a textile softener, imparting soft and smooth hand feel to fabrics, also used in synthetic fiber oil agents.

CAS No. 9004-99-3

Packaging 20kg woven bag

Updated 2026-06-11

Reference Price： 10386.92 ¥/ton

Updated: 2026-06-11

SDS Report Product Manual

Sales Inquiry

Product Overview

Stearic Acid Polyoxyethylene Ether SG-40 (CAS 9004-99-3) is a high ethoxylation degree nonionic surfactant with excellent emulsifying, dispersing, wetting, softening and antistatic properties. It is widely used in textile softening and antistatic treatment, cosmetic cream and lotion solubilization, metalworking lubrication and cooling, pesticide emulsification and dispersion, and papermaking deinking and softening. Guoli Chemical provides original factory production with stable quality, samples and professional application technical support.

Performance Features

High water solubility: The 40 EO units provide strong hydrophilicity, forming clear aqueous solutions.
Excellent softening effect: Imparts a superior soft and smooth hand feel to fabrics, especially synthetic fibers and blends.
Good antistatic properties: Effectively dissipates static charges on fibers during processing and in finished textiles.
Effective emulsification: Produces stable O/W emulsions for cosmetic and industrial applications.

Application Guidelines

Textile Softener: 0.2%-1% applied by padding or exhaustion.
Synthetic Fiber Oil Agent: 0.1%-0.5% in spinning oil formulations.
Cosmetic Emulsifier: 1%-5% in creams and lotions.

Packaging and Storage

20kg woven bag. Store in a cool, dry place. Shelf life: 24 months.

Stearic Acid Polyoxyethylene Ether SG-40 Applications

Textile softener: Excellent softening for synthetic fibers and blends. Dosage: 0.2%-1%.
Cosmetic emulsifier: In creams and lotions. Dosage: 1%-5%.
Synthetic fiber oil agent: Lubrication and antistatic. Dosage: 0.1%-0.5%.
Metalworking fluids: Lubrication and cooling.
Papermaking: Deinking and softening agent.

Product Properties

Property	Value
CAS No.	9004-99-3
Molecular Formula	RO(CH₂CH₂O)ₙH (R=C16-18, n=40)
Appearance	White to pale yellow waxy solid
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 2045
Cloud Point	>100°C
Active Content	≥99
pH Value(1%)	5.0-7.0
pH Value(5%)	5.0-7.0
Iodine Value	≤1
Solubility	Readily soluble in water and organic solvents
Surface Tension	~42 (1%aq. soln., 25°C)
CMC	~0.005%
Acid Value	≤2
Saponification Value	25-35
Hydroxyl Value	~28
Moisture	≤1.0
Density	~1.05
Kinematic Viscosity	N/A (solid)
Refractive Index	~1.456 (60°C)
Flash Point	>150°C
Hygroscopicity	Low
Chemical Stability	Resistant to acids, alkalis and hard water; chemically stable
Foam Property	Low foam
Alkali Resistance	Alkali resistant
Unsaturation	Low
Melting Point	48-52°C
Monoester Content	≥90
Diester Content	≤5
Solid Content	≥99
Free Alcohol	≤1
Heavy Metal	≤10
Arsenic	≤2

Stearic Acid Polyoxyethylene Ether SG-40 Safety

GHS Classification

Not classified as hazardous under GHS
Not flammable or oxidizing

Handling

Wear protective gloves and safety goggles.
Ensure good ventilation. Avoid inhaling dust.
Avoid eye and skin contact. Wash after handling.

Storage

Cool, dry, well-ventilated at 5-40°C. Keep container closed.

First Aid

Skin: Wash with soap and water.
Eyes: Rinse 15 min with water.
Inhalation: Move to fresh air.
Ingestion: Rinse mouth. Drink water. Seek medical attention.

Stearic Acid Polyoxyethylene Ether SG-40

Product Details

Applications

Properties

Safety

Product Overview

Performance Features

Application Guidelines

Packaging and Storage

Stearic Acid Polyoxyethylene Ether SG-40 Applications

Product Properties

Stearic Acid Polyoxyethylene Ether SG-40 Safety

GHS Classification

Handling

Storage

First Aid

Related Products

Stearic Acid Polyoxyethylene Ether SG-40

Product Details

Applications

Properties

Safety

Product Overview

Performance Features

Application Guidelines

Packaging and Storage

Stearic Acid Polyoxyethylene Ether SG-40 Applications

Product Properties

Stearic Acid Polyoxyethylene Ether SG-40 Safety

GHS Classification

Handling

Storage

First Aid

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