Question 1

Is oleic acid polyoxyethylene ester A-105 (OEO-105) harmful to humans? Does it have an impact on the environment?

Accepted Answer

Oleic acid polyoxyethylene ester A-105 (OEO-105) is a low-toxicity substance, with only slight irritation to skin and eyes. It is environmentally friendly, biodegradable, and safe for human health and ecological environment under normal use conditions. Detailed Description Oleic acid polyoxyethylene ester A-105 (OEO-105) is a nonionic surctant derived from natural oleic acid. From a toxicological perspective, its acute oral LD50 is > 5000 mg/kg (rat), classifying it as a low-toxicity substance with low risk. Under normal industrial handling conditions, the main effects on humans are limited to slight skin and eye irritation. Prolonged or repeated contact may cause detting and drying of the skin. Inhalation of high-temperature vapors or mists may cause respiratory discomfort, but such exposure is not common under routine operating conditions. From an environmental te perspective, A-105 has no significant toxicity to aquatic organisms, can gradually biodegrade in water, does not persist in the environment, and has no bioaccumulation potential. It should be noted that while small, single discharges have limited environmental impact, large spills that are directly discharged into water bodies without treatment may cause temporary effects on local aquatic ecosystems. Therefore, enterprises should establish emergency containment procedures for spills. Comprehensive assessment: Under compliance with standard operating procedures and proper use of personal protective equipment (e.g., gloves, goggles), the overall risk of A-105 to human health and the ecological environment is low. It is an industrial surctant that combines safety, environmental friendliness, and functionality. Health and Environmental Impact Parameters Assessment ItemData/ConclusionRisk Level Acute oral toxicityLD50 > 5000 mg/kg (rat)Low toxicity Skin irritationSlight irritationLow risk Eye irritationSlight irritationLow risk Inhalation riskHigh-temperature vapor/mist may cause discomfortNo significant risk under routine operations Aquatic toxicityNo significant toxic effectsLow risk BiodegradabilityBiodegradableEnvironmentally friendly BioaccumulationNo bioaccumulation potentialEnvironmentally friendly FlammabilityNot easily flammableSafe for storage and transport Safe Handling Recommendations Personal protection: Wear nitrile or chloroprene rubber gloves and splash-proof chemical goggles. Respiratory protection is generally not required; if large amounts of aerosol are generated, wear a filtering respirator. Engineering controls: Maintain good ventilation or local exhaust in the work area to control airborne mist concentrations. Storage conditions: Store in a cool, dry, well-ventilated area in a sealed container, at temperatures not exceeding 40°C, away from direct sunlight and separate from strong oxidizers. Spill management: Collect using inert absorbent materials such as sand or vermiculite, prevent entry into drains or surce waters, and dispose of collected material as industrial waste in compliance with regulations. Precautions In case of skin contact, rinse immediately with plenty of running water and soap for at least 15 minutes. In case of eye contact, rinse continuously with water or saline for at least 15 minutes and seek medical attention immediately. If ingested, do not induce vomiting; rinse mouth and seek medical attention. Although the overall risk of this product is low, large spills still require emergency environmental containment to prevent impact on local water bodies.

Question 2

What should I do if problems occur during the use of Oleic Acid Polyoxyethylene Ester A-105, OEO-105? How to obtain technical support?

Accepted Answer

If you encounter problems during use, we recommend first checking the common causes and troubleshooting methods listed below. If the issue persists, you can directly contact the Guoli Chemical technical team for in-depth support. Detailed Description Oleic Acid Polyoxyethylene Ester A-105 (OEO-105) is a stable nonionic surctant with a low probability of quality issues under normal conditions. Abnormal phenomena during use are mostly related to storage conditions, formula compatibility, or operation procedures. According to the technical specifications in the product database, this product is not alkali-resistant, has good chemical stability, but extreme conditions (such as long-term storage above 40°C, contact with strong oxidizers, or prolonged coexistence with metals like copper and aluminum) may cause color deepening or performance degradation. When encountering problems such as unsatisctory emulsification, stratification, turbidity, abnormal color, or decreased wettability, please first check against the product's ctory test indicators (such as pH, moisture, acid value, HLB value, cloud point, etc.) to confirm whether they are caused by improper storage or usage. If the problem persists, Guoli Chemical has a dedicated application technology team that can provide one-on-one analysis for your specific formulation system. Quick Troubleshooting Index for Common Issues Issue PhenomenonPossible CausesInvestigation Direction Emulsion stratification, demulsificationHLB mismatch, insufficient dosage, oil phase changeConfirm HLB value (this product is 10.5), check required HLB of oil phase, adjust dosage or compound Product color deepeningHigh-temperature storage, light exposure, contact with copper/aluminum ionsCheck if storage temperature exceeds 40°C, confirm container material is stainless steel or polyethylene Slow dissolution or turbidity in waterIncorrect addition order, hard waterThis product is easily soluble in water; pre-mix with warm water recommended; can be used normally in hard water Insufficient wetting and penetrationLow dosage, high system pHNote this product is not alkali-resistant; strong alkaline environment will weaken performance Product odor or excessive acid valueEster bond hydrolysis, prolonged storageCheck acid value (standard ≤5), store tightly sealed to prevent moisture absorption Application Suggestions In various application fields, the recommended dosage of A-105 is usually between 1% and 5% (specific dosage should be determined by formulation experiments). For use in metalworking fluids, it is recommended to first add it to the oil phase and mix thoroughly, then slowly add water for phase inversion; for use in pesticide emulsifiers, it can be used in combination with other emulsifiers through HLB value compounding to achieve broader adaptability. If compatibility issues with this product arise in the formulation (e.g., when used with high-concentration alkali or strong oxidizers), please test the system stability in advance. How to Obtain Technical Support from Guoli Chemical There is no publicly available direct technical support hotline in the database, but as a professional supplier, Guoli Chemical usually provides services to customers through the following channels: Official Website Inquiry: Visit the official website of Haian Guoli Chemical Co., Ltd., look for the "Technical Center" or "Contact Us" section, and fill in a technical inquiry form Direct Contact with Business Manager: Contact the business manager you dealt with during procurement, who will coordinate the involvement of technical engineers Sample Re-testing: If you suspect a batch abnormality, contact the sales staff to arrange sample re-testing, checking key indicators (pH 5.0~7.0, acid value ≤5, moisture ≤1.0%, etc.) On-site Technical Support: For bulk purchases or long-term cooperation customers, Guoli Chemical can usually arrange application engineers to conduct on-site formulation debugging Precautions When reporting issues, please prepare the product batch number, purchase date, storage conditions, and a specific description of the abnormal phenomenon so that the technical team can quickly locate the problem The CAS number of this product is 9004-96-0. Providing this number during communication ensures correct product identification In emergency situations (such as leakage, accidental ingestion, etc.), please first follow the first aid measures in the safety instructions, then contact the supplier

Question 3

How to purchase Oleic Acid Polyoxyethylene Ester A-105, OEO-105? What is the minimum order quantity?

Accepted Answer

To purchase Oleic Acid Polyoxyethylene Ester A-105 (OEO-105), please contact the sales team of Guoli Chemical. Currently, there is no publicly available data on the minimum order quantity. It is recommended to directly consult for the latest quotation and order policy. Detailed Description Oleic Acid Polyoxyethylene Ester A-105 (OEO-105, CAS No.: 9004-96-0) is a nonionic surctant product sold by Haian County Guoli Chemical Co., Ltd. According to the product database, this product is available in multiple standard packaging specifications to meet the needs of customers of different scales. For purchase, the most direct approach is to consult through the official sales channels of Guoli Chemical. The sales team will provide product quotations, delivery schedules, and logistics solutions based on your specific requirements. The current product price information is marked as "negotiable". The actual price needs to be obtained by contacting the sales team for the latest quotation (price data updated on June 10, 2026). Chemical raw material prices are influenced by multiple ctors such as raw material costs, market supply and demand, and order quantity, and may fluctuate between batches. Therefore, the real-time quotation from sales prevails. Product Packaging Specifications The following standard packaging forms are available for Product A-105. You can choose based on your usage requirements: Packaging TypeSpecificationsApplicable Scenarios Plastic Drum50kgSmall batch trials or laboratory formulation development Plastic Drum200kgRegular industrial production batch procurement IBC ToteApprox. 1000kgLarge-scale continuous production, reducing packaging and logistics costs Procurement Suggestions It is recommended to clarify the following information before consultation to help the sales team quickly match the optimal solution for you: Estimated annual usage or single purchase quantity — Helps to obtain tiered quotations Application field and formulation requirements — Such as textile printing and dyeing, metalworking fluids, pesticide emulsification, etc. The technical team can provide targeted usage suggestions Whether samples are needed — You can apply for small samples for formulation compatibility testing Delivery address — Convenient for calculating logistics costs and transportation methods Precautions This product should be stored in a cool, dry, and well-ventilated warehouse. The recommended temperature should not exceed 40°C, and direct sunlight should be avoided. The packaging container should be made of stainless steel, polyethylene, or lined steel drums. After opening the drum, it should be promptly sealed to prevent moisture absorption. For details, please refer to the product safety data sheet.

Question 4

Does oleic acid polyoxyethylene ester A-105 (OEO-105) meet environmental requirements? Can a test report be provided?

Accepted Answer

Regarding the environmental requirements and test report for oleic acid polyoxyethylene ester A-105 (OEO-105), here is a summary for you: The product meets conventional environmental requirements, featuring low toxicity, biodegradability, and environmental friendliness. However, regarding the specific test report, the acquisition route requires direct contact with the sales and technical department of Guoli Chemical. Detailed Description According to the product safety information officially provided by Guoli Chemical, oleic acid polyoxyethylene ester A-105 performs well in terms of environmental compliance. Its core environmental advantages include: no obvious toxicity to aquatic organisms, making it an environmentally friendly product; and biodegradability, meaning it does not persist and accumulate in the natural environment after use. This is a key green credential under increasingly stringent environmental regulations. From a toxicological perspective, the product has an acute oral toxicity LD50 > 5000 mg\/kg (rats), classifying it as a low-toxicity substance. This means that under normal industrial use and final discharge scenarios, it poses a low risk to the ecosystem. Additionally, its non-ionic structure helps avoid additional ionic pollution to water quality. However, it should be clarified that "meeting environmental requirements" is a relative concept, ultimately depending on your specific application field, regional regulations (such as EU REACH, China's "Environmental Management Measures for New Chemical Substances", etc.), and specific green review standards from customers in the supply chain. The product's basic attributes (low toxicity, biodegradability) provide a solid material foundation for meeting these requirements. Technical Parameters Below are the expert safety technical parameters from the database, for your comprehensive evaluation of the product's environmental and safety characteristics: Ecotoxicity: No obvious toxicity to aquatic organisms, environmentally friendly. Biodegradability: Biodegradable, does not persist in the environment. Acute toxicity (oral LD50): > 5000 mg\/kg (rats), classified as low toxicity. Heavy metal content: ≤10 mg\/kg (ppm). Arsenic content: ≤2 mg\/kg (ppm). Flammability: Not flammable, flash point >150°C. Chemical stability: Stable, but may decompose at extremely high temperatures. Application Suggestions Based on its environmental characteristics, this product is particularly suitable for applications with requirements for environmental discharge, such as biodegradable formulations, textile auxiliaries exported to Europe, or metalworking fluids. When developing new projects or formulations, you can directly cite the above product attributes as preliminary evidence of environmental compliance. Regarding the Test Report Regarding the test report you inquired about, the database currently does not include downloadable specific report files. Such files typically include batch analysis reports, SGS test reports, etc., and need to be provided by the sales and technical department based on your specific batch or testing item requirements. It is recommended that you submit clear testing requirements through Guoli Chemical's sales channels to obtain official, valid, and legally effective testing documents.

Question 5

What are the advantages of polyoxyethylene oleate A-105, OEO-105 compared with other similar products?

Accepted Answer

The core advantage of polyoxyethylene oleate A-105 lies in its highly balanced HLB value (10.5) and extremely high monoester content (≥90%), giving it both excellent emulsifying power and broad compatibility, demonstrating stronger "all-round" application potential among similar oleate series. Detailed Description Compared with the same series of polyoxyethylene oleate products from Guoli Chemical (such as A-103, A-110), A-105 has a highly optimized number of polyoxyethylene (EO) adducts. Its HLB value is precisely controlled at 10.5, which is the golden balance point between hydrophilicity and lipophilicity, meaning it can efficiently act on both oil and water phases simultaneously. In contrast, products with lower EO addition may be too lipophilic and lack sufficient water solubility, while those with higher addition may make the system overly hydrophilic, weakening the emulsifying grip on oils. The molecular structure design of A-105 ensures that when handling mineral oils, animal and vegetable oils, and organic solvents, it can generate extremely fine and highly stable emulsions, significantly reducing the total amount of emulsifier required in the formulation. Another outstanding advantage of A-105 is its extremely high monoester content (≥90%) and very low levels of free alcohol and diester by-products. In the production of nonionic surctants, excessive diester content can reduce intercial activity, while free alcohol may cause odor or irritation issues. Through precise production control, A-105 maximizes effective active components, significantly enhancing wetting and dispersing performance. At the same time, its low-foaming characteristic is a major highlight, effectively preventing equipment ilure and efficiency loss caused by foam accumulation in industrial cleaning and metalworking fluid circulating washing scenarios. In terms of safety and environmental protection, A-105 has excellent hard water resistance and insensitivity to calcium and magnesium ions. It does not produce precipitation or lose activity in hard water systems, ensuring continuity in industrial processes. Its low toxicity, low irritation, and excellent biodegradability make it suitable not only for demanding industrial textile and metalworking applications but also fully compatible with mild cosmetic creams and lotion formulations, achieving true multi-field coverage. Core Technical Characteristic Parameters Performance IndicatorPolyoxyethylene Oleate A-105 (OEO-105) CharacteristicsIndustry Advantage Interpretation HLB value10.5Ideal range for O/W emulsifiers, with wide applicability and excellent emulsion stability for various oils and ts. Monoester content≥90%Extremely high active ingredient content, greatly reducing by-product interference and ensuring consistent emulsification efficiency between batches. Cloud point (1% aqueous solution)72~76°CSuitable for medium to high temperature processes, ensuring it does not precipitate prematurely during heating cleaning or processing, maintaining system stability. Foaming characteristicLow foamIn industrial cleaning and metalworking fluids (cutting fluids), foam issues can be avoided without adding large amounts of defoamer. Surce tension (1% aqueous solution)30~32 mN/mExcellent wetting and spreading ability, quickly carrying liquids or active ingredients into fine gaps or bric fibers. Acid-base stabilityAcid-resistant, not alkali-resistantChemically very stable in acidic and neutral formulations; in strong alkaline formulations, attention is needed as ester bond hydrolysis may occur. Appearance and formLight yellow to yellow liquid or pasteLight color, no negative impact on fragrance or color formulations, good fluidity, convenient for automated pumping operations. Application Suggestions Based on the HLB value and high emulsification efficiency of A-105, the following scenarios are recommended for application optimization: Full synthetic and semi-synthetic cutting fluids: As a core emulsifying and anti-rust component, used in combination with anionic surctants, suggested dosage 3%–8%. It not only ensures good lubrication and extreme pressure performance but also does not generate excessive foam in high-pressure spraying. Pesticide emulsion in water (EW) and microemulsion (ME): Utilizing its excellent self-emulsifying and hard water resistance, it can quickly disperse the technical material and maintain long-term physical stability, suggested dosage 2%–5%. Environmentally friendly high-concentration liquid detergents: A-105 has a very low gelling tendency while effectively removing heavy grease, making it ideal for formulating transparent or translucent concentrated liquids with high active content. It is recommended to use in combination with anionic and nonionic synergists. Leather processing degreasing and cosmetic creams: Due to its high monoester content and low free substances, it provides more thorough degreasing before tanning, and in skin care creams, it gives a soft touch and is less likely to cause allergies. Precautions Operation protection: Although A-105 is a low-toxicity, low-irritation product, nitrile gloves and safety goggles should still be worn during prolonged and heavy exposure to avoid skin degreasing and drying. Storage conditions: This product has a high pour point and may solidify into a paste at low temperatures. It is recommended to store at temperatures not exceeding 40°C. If solidification occurs before use, simply heat the packaging indirectly with water (not exceeding 50°C) to restore fluidity; quality will not be affected. Formulation contraindications: Since the chemical structure contains ester groups, avoid combining with strong bases (pH > 9) and prolonged high-temperature heating to prevent saponification reactions that could drastically reduce emulsifying performance.

Question 6

How to store Oleic Acid Polyoxyethylene Ester A-105 (OEO-105)? What is the shelf life?

Accepted Answer

Oleic Acid Polyoxyethylene Ester A-105 (OEO-105)

Oleic Acid Polyoxyethylene Ester A-105 (OEO-105) is a nonionic surfactant with excellent emulsifying and lubricating properties, mainly used as emulsifier for lubricating oils, textile softener, metalworking fluid and pesticide formulation additive.

CAS No. 9004-96-0

Packaging 200kg plastic drum

Updated 2026-06-10

Reference Price：？？？

Updated: 2026-06-10

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Product Overview

Oleic Acid Polyoxyethylene Ester A-105 (OEO-105) is a nonionic surfactant with excellent emulsifying and lubricating properties. Mainly used as an emulsifier for lubricating oils, a textile softener, a metalworking fluid additive and a pesticide formulation component.

Packaging and Storage

200kg plastic drum.

Specialty Applications

Industrial processes: Emulsifying, dispersing, wetting and solubilizing in various formulations.
Chemical intermediates: Raw material for further synthesis and derivatization.

Product Properties

Property	Value
CAS No.	9004-96-0
Molecular Formula	C18H33O2(C2H4O)nH, n≈10
Appearance	Pale yellow to brownish-yellow liquid
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 700
Cloud Point	72~76
Active Content	≥99
pH Value(1%)	5.0~7.0
pH Value(5%)	5.0~7.0
Iodine Value	30~40
Solubility	Dispersible in water; soluble in ethanol and oil
Surface Tension	30~32
CMC	0.02~0.03 g/L
Acid Value	≤5
Saponification Value	75~85
Hydroxyl Value	82±3
Moisture	≤1.0
Density	0.98~1.02
Kinematic Viscosity	100~200
Refractive Index	1.460~1.465
Flash Point	>150
Chemical Stability	Stable
Foam Property	Low foam
Alkali Resistance	Not alkali resistant
Unsaturation	~1.2-1.6 mol/kg
Viscosity	100~200 mPa·s
Monoester Content	≥90%
Diester Content	≤5%
Low Shear Viscosity	100~200
Solid Content	≥99
Free Alcohol	≤2%
Heavy Metal	≤10
Arsenic	≤2

Safety

GHS

Not classified as hazardous under GHS

Handling

Wear protective gloves and goggles. Avoid eye and skin contact. Wash after handling.

Storage

Cool, dry, well-ventilated. Keep container tightly closed.

First Aid

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

Question 7

What safety precautions should be taken when using Oleic Acid Polyoxyethylene Ester A-105 (OEO-105)?

Accepted Answer

Oleic Acid Polyoxyethylene Ester A-105 (OEO-105) is a low-toxicity, non-flammable nonionic surctant. However, attention should still be paid to its slight irritation to skin and eyes. Basic protective equipment must be worn during operation, and proper storage and disposal are required. Detailed Explanation Oleic Acid Polyoxyethylene Ester A-105 (OEO-105) is a nonionic surctant produced by the addition polymerization of ethylene oxide with natural oleic acid as raw material. It has low risk under normal usage conditions. The acute oral toxicity LD50 > 5000 mg/kg (rat), classifying it as a low-toxicity substance. The product is not flammable and has good safety in storage and transportation. However, prolonged or repeated contact may cause skin detting and dryness, and inhalation of high-temperature steam or mist may cause respiratory discomfort, so caution should not be taken lightly during operation. This product has low toxicity to aquatic organisms, can be gradually biodegraded in water, and has no bioaccumulation, making it an environmentally friendly product. However, it should be noted that large spills may still cause temporary effects on local water bodies, and spilled material must not enter sewers, surce waters, or soil. At extremely high temperatures, the product may decompose to produce carbon monoxide, carbon dioxide, and small amounts of irritating organic compounds. Therefore, contact with strong heat sources and open flames should be avoided. Keep separate from strong oxidizers (e.g., peroxides, concentrated nitric acid, permanganates) and avoid contact. Personal Protection and Operating Specifications Protection AreaProtection Requirement Hand ProtectionWear chemical-resistant protective gloves, such as nitrile gloves or neoprene gloves Eye/ce ProtectionWear splash-proof chemical safety goggles or ce shield Body ProtectionWear general work clothes or protective apron; wear chemical protective clothing if necessary Respiratory ProtectionNo special protection required under normal operating conditions; if large amounts of vapor or aerosol are generated, wear a filter-type respirator Engineering ControlsMaintain good general ventilation or local exhaust ventilation in the work area During operation, strictly follow these specifications: Avoid contact with eyes, skin, and clothing; do not eat, drink, or smoke; thoroughly wash hands and exposed skin after operation; store work clothes separately and do not take them out of the work area. Although not flammable, take conventional anti-static measures such as equipment grounding during pumping or stirring operations. Storage Conditions Store in a cool, dry, well-ventilated warehouse, away from heat sources, sparks, and open flames Recommended storage temperature not exceeding 40°C; avoid high temperature and direct sunlight to prevent color deepening or changes in physical and chemical properties Keep containers tightly sealed; close the lid promptly after opening to prevent moisture absorption or foreign matter entry Keep separate from strong oxidizers to avoid contact Use packaging containers made of compatible materials such as stainless steel, polyethylene, or lined steel drums; avoid prolonged contact with metals such as copper or aluminum Equip storage areas with spill containment cilities, such as trays or dikes First Aid and Emergency Procedures First Aid Measures Route of ExposureTreatment Skin ContactImmediately remove contaminated clothing and rinse thoroughly with plenty of running water and soap for at least 15 minutes; if redness, pain, or persistent irritation occurs, seek medical attention Eye ContactImmediately open eyelids and rinse with plenty of running water or saline for at least 15 minutes, rolling the eyes to ensure thorough rinsing; seek medical attention immediately InhalationQuickly move the person to fresh air and keep the airway open; if coughing, difficulty breathing, or other discomfort occurs, seek medical attention immediately IngestionRinse mouth immediately with water, do not induce vomiting to avoid aspiration into the respiratory tract; seek medical attention immediately and present the product safety data sheet or label Spill Disposal Evacuate non-essential personnel from the spill area; personnel handling the spill should wear appropriate protective equipment; prevent spill from entering sewers, surce water, or soil; construct temporary dikes if necessary; cover and collect spilled liquid with inert absorbent materials (e.g., sand, vermiculite) and place in sealed containers; wash the contaminated area with plenty of water and detergent, and collect the wash water for proper disposal; dispose of residues as industrial waste in accordance with local regulations. Firefighting Measures Suitable extinguishing agents: water mist, alcohol-resistant foam, dry chemical, or carbon dioxide. Do not use straight water streams on the spill. Firefighters must wear positive-pressure self-contained breathing apparatus and full protective gear. During firefighting, collect firefighting runoff to avoid discharge into the environment without treatment. Application Recommendations This product is widely used in textile printing and dyeing, metalworking fluids, pesticide emulsification, industrial cleaning, leather degreasing, and cosmetics. When used in formulations, it is recommended to determine the dosage according to specific process requirements. Due to its nonionic structure, it can be flexibly combined with anionic, cationic, and other nonionic surctants to achieve synergistic effects. It exhibits stable performance in acidic and alkaline environments and has excellent hard water resistance, making it suitable for a variety of complex working conditions.

Question 8

How to use Oleic Acid Polyoxyethylene Ester A-105, OEO-105? What is the recommended dosage?

Accepted Answer

Oleic Acid Polyoxyethylene Ester A-105 (OEO-105), as a general-purpose nonionic emulsifier, can be directly added to the water phase or oil phase under stirring, or pre-mixed with the oil phase followed by water addition for phase inversion emulsification. The recommended dosage is typically between 1% and 10%, and the specific proportion needs to be optimized through experiments based on the application system and emulsification target. Detailed Description Oleic Acid Polyoxyethylene Ester A-105 (OEO-105) is a nonionic surctant with an HLB value of 10.5. It appears as a light yellow to yellow liquid or paste (may be pasty at low temperatures), with active content ≥99%, and is easily soluble in water. Its molecular structure combines ester groups and polyoxyethylene chains, providing outstanding emulsifying and dispersing capabilities for various oils, mineral oils, and organic solvents, along with excellent wetting and spreading properties. In practical applications, A-105 can be used flexibly: it can be directly added to the water phase and dissolved under stirring; or it can be pre-mixed with oil phase components, followed by water addition for phase inversion emulsification to obtain a finer and more stable emulsion. If the product becomes pasty due to low-temperature storage, it can be warmed to 25~35°C or heated in a warm water bath before use to restore fluidity, without affecting product performance. This product has low foam (according to the Guoli Chemical database, foam property is "low foam"), making it especially suitable for industrial scenarios where foam generation is undesirable. Being nonionic, it can be used in combination with anionic, cationic, and other nonionic surctants for synergistic effects. It should be noted that the database indicates this product is "not alkali-resistant", so compatibility testing is required before use in strongly alkaline systems. Technical Parameters Technical IndicatorParameter Value HLB Value10.5 Active Content≥99% Cloud Point (1% Aqueous Solution)72~76°C pH Value (1% Aqueous Solution)5.0~7.0 Acid Value≤5 mgKOH/g Saponification Value75~85 mgKOH/g Density0.98~1.02 g/cm³ Water SolubilityEasily soluble in water Foam PropertyLow foam Alkali ResistanceNot alkali-resistant Data source: Guoli Chemical Product Database Application Recommendations Recommended Dosage in Various Fields The following dosage reference values are empirical ranges commonly used in the industry. Due to significant variations in actual formulation systems, emulsification targets, and process conditions, it is recommended to determine the optimal dosage through small-scale experiments: Application FieldRecommended Dosage (Percentage of Total Formulation)Usage Description Textile Printing and Dyeing Auxiliaries1%~5%Directly dissolve in water as a component of scouring penetrant or leveling agent Metalworking Fluids5%~15%Pre-mix with base oil, then add water for emulsification to prepare emulsified oil or semi-synthetic cutting fluid Pesticide Emulsifiers3%~10%Mix with pesticide technical material and solvent to form emulsifiable concentrate, or for preparation of emulsion in water Industrial Cleaners2%~8%Compounded into water-based cleaning formulations to enhance degreasing ability Leather Degreasing Agents1%~5%Formulated into working solution for soaking or degreasing processes of raw hides Cosmetic Emulsifiers1%~5%As an O/W emulsifier for cream and lotion formulations Note: The above dosage ranges are reference values; actual usage should be verified by experiments. The database does not have exact recommended dosages for each application; the above data is based on general industry experience. Compounding Recommendations A-105 (HLB=10.5), when used alone for emulsification, is suitable as the primary emulsifier for oil-in-water (O/W) emulsion systems. When compounded with low-HLB surctants (such as Span series, HLB about 4~5), the HLB value of the system can be precisely adjusted to meet the emulsification requirements of different oils. It is recommended to gradually adjust the ratio during compounding to find the optimal ratio point for emulsion stability. Precautions Alkali sensitivity: This product is not alkali-resistant (as marked in the Guoli Chemical database). In strongly alkaline systems with pH >10, the ester groups may hydrolyze. It is recommended to maintain the final system pH within 5~9. Temperature control: The cloud point is 72~76°C. The usage and storage temperature should be kept below the cloud point to ensure emulsification stability. Low-temperature handling: The product may become pasty at low temperatures in winter. Before use, warm in a water bath to 30~40°C to restore fluidity, without affecting product quality. Test before use: Due to variations in oil phase type, water hardness, and other additives in each application system, small-scale and pilot-scale tests must be conducted before formal production. Storage conditions: Store sealed in a cool, dry place at temperatures not exceeding 40°C, and avoid contact with strong oxidizers. Safety protection: It is recommended to wear protective gloves and goggles during operation to avoid direct contact with skin and eyes.

Question 9

In which industries and processes is Oleic Acid Polyoxyethylene Ester A-105, OEO-105 mainly used?

Accepted Answer

Oleic Acid Polyoxyethylene Ester A-105 (OEO-105) is widely used in six major industries: textile printing and dyeing, metal processing, pesticide formulations, industrial cleaning, leather processing, and personal care. It covers multiple key process stages from raw material pretreatment to final product formulation. Detailed Description Oleic Acid Polyoxyethylene Ester A-105 (OEO-105) is a nonionic surctant synthesized from natural oleic acid via ethylene oxide addition polymerization. Its molecular structure contains both ester groups and polyoxyethylene chains, endowing it with excellent amphiphilic properties, allowing it to exhibit superior intercial activity in both aqueous and oil-phase systems. This unique structural feature determines that A-105 can be used as an efficient emulsifier, wetting agent, and dispersant in numerous industrial fields. It also has good compatibility and synergistic effects with anionic, cationic, and other nonionic surctants. In industrial applications, A-105 maintains stable functionality under various complex conditions due to its excellent acid-base resistance (performance does not degrade over a wide pH range) and good hard water resistance (insensitive to calcium and magnesium ions). Meanwhile, this product is a low-toxicity substance, biodegradable, and has no obvious toxic effects on aquatic organisms, meeting increasingly stringent environmental regulations. It is an ideal choice for many enterprises to achieve green formulation upgrades. Below are the specific process applications of A-105 in various industries, covering the core functions and typical usage scenarios of the product. Application Fields and Process Details IndustryApplication ProcessCore Function Textile Printing and DyeingPretreatment scouring, level dyeing, post-finishing softeningWetting agent, penetrant, leveling agent, dispersant, promoting uniform moisture absorption of fibers, improving dyeing uniformity and bric hand feel Metal ProcessingFormulating emulsified oils, semi-synthetic and fully synthetic cutting fluids, grinding fluidsEmulsification, lubrication, anti-rust, extending tool life, improving workpiece surce finish Pesticide FormulationsProcessing of pesticide emulsifiable concentrates (EC), oil-in-water emulsions (EW), etc.Emulsifying and dispersing pesticide active ingredients, enhancing the wetting and spreading ability of the spray liquid on crop surces Industrial CleaningCleaning of metal parts, degreasing of equipment surcesEmulsifying and removing stubborn stains such as mineral oils and animal/vegetable oils, with low foaming characteristics Leather ProcessingDegreasing process of raw hidesDeeply emulsifying and removing natural ts and greases within leather fibers, achieving uniform and thorough degreasing without affecting subsequent tanning CosmeticsFormulations of creams, lotions, makeup removers, etc.Mild emulsifier and solubilizer, providing a stable emulsification system, improving skin feel, with low skin irritation Application Suggestions In actual formulation development, the recommended addition amount of A-105 varies depending on the application scenario: when used as the primary emulsifier, the recommended dosage is 2% to 8% of the total formulation; as a secondary emulsifier or wetting dispersant, 0.5% to 3% can achieve significant effects. Since A-105 has synergistic effects when compounded with various ionic surctants, it is recommended that formulators determine the optimal ratio through gradient experiments to achieve cost optimization while ensuring performance. For different industries, A-105 can be flexibly combined with other functional additives: in metalworking fluids, it can be compounded with rust inhibitors and extreme pressure agents; in pesticide formulations, it can be used synergistically with anionic emulsifiers (such as calcium salts) to improve emulsion stability; in industrial cleaning formulations, it can be combined with alkaline auxiliaries and chelating agents to enhance detergency. Precautions The product appearance is a light yellow to yellow oily liquid or paste. Layering or solidification may occur at low temperatures. It is recommended to preheat at 25~40°C and stir evenly before use. Storage temperature should not exceed 40°C. Avoid high temperatures and direct sunlight to prevent deepening of color or changes in physical and chemical properties. Store separately from strong oxidizing agents (such as peroxides, concentrated nitric acid, etc.) and avoid contact. Although it is a low-toxicity substance, it is still recommended to wear protective gloves and goggles during operation to avoid prolonged direct contact with skin and eyes.

Question 10

What are the physicochemical technical parameters of Oleic Acid Polyoxyethylene Ester A-105 (OEO-105)?

Accepted Answer

Oleic Acid Polyoxyethylene Ester A-105 (OEO-105) is a non-ionic surctant with an HLB value of approximately 10.5, easily soluble in water, with excellent comprehensive physicochemical properties and good emulsifying, wetting, and dispersing capabilities. Detailed Description Oleic Acid Polyoxyethylene Ester A-105 (CAS No.: 9004-96-0) is a non-ionic surctant produced by addition polymerization of ethylene oxide with natural oleic acid as the raw material. Its molecular formula is C₁₈H₃₃O₂(C₂H₄O)nH (n≈10), with a molecular weight of approximately 700. The molecular structure contains both ester groups and polyoxyethylene chains, imparting unique amphiphilic properties to the product, exhibiting excellent intercial activity in both aqueous and oil-phase systems. The product appears as a light yellow to yellow liquid or paste, with an active ingredient content of ≥99%, classifying it as a high-purity surctant. Its cloud point ranges from 72 to 76°C, with an HLB value of 10.5, placing it within the ideal HLB range for O/W (oil-in-water) emulsifiers. The product has low foam characteristics, a surce tension of approximately 30–32 mN/m, and a critical micelle concentration (CMC) of only 0.02–0.03 g/L, demonstrating excellent intercial activity even at very low concentrations. A-105 has good acid and alkali stability, maintaining chemical stability over a wide pH range, but it is noted as "not alkali-resistant," so caution should be exercised when using it under strong alkaline conditions. The product is insensitive to calcium and magnesium ions, showing excellent hard water resistance without precipitation or deactivation in hard water. Its flash point is greater than 150°C, classifying it as non-flammable, ensuring good storage and transportation safety. Technical Parameters Parameter ItemSpecification/IndexUnit/Description Product NameOleic Acid Polyoxyethylene Ester A-105 (OEO-105)— AliasOleic Acid Polyoxyethylene Ester, Polyethylene Glycol Oleate, PEG Oleate, Polyoxyethylene Oleic Acid Monoester— CAS Number9004-96-0— Ionic TypeNonionic— Molecular FormulaC₁₈H₃₃O₂(C₂H₄O)nH, n≈10— Molecular WeightApproximately 700— Appearance (25°C)Light yellow to yellow liquid or paste— Active Ingredient Content≥99% Moisture Content≤1.0% pH (1% Aqueous Solution)5.0–7.0— Cloud Point72–76°C HLB Value10.5— Acid Value≤5mg KOH/g Saponification Value75–85mg KOH/g Hydroxyl Value82±3mg KOH/g Iodine Value30–40g I₂/100g UnsaturationApproximately 1.2–1.6mol/kg Monoester Content≥90% Diester Content≤5% Free Alcohol≤2% Density0.98–1.02g/cm³ Kinematic Viscosity100–200mm²/s Refractive Index1.460–1.465— Surce Tension30–32mN/m Critical Micelle Concentration (CMC)0.02–0.03g/L Flash Point>150°C Foam CharacteristicsLow Foaming— Alkali ResistanceNot Alkali-Resistant— Chemical StabilityStable— Heavy Metals (as Pb)≤10mg/kg Arsenic (As)≤2mg/kg Packaging Specifications50 kg plastic drum, 200 kg plastic drum, IBC tote— Data Source: The above parameters are all based on actual test data from the Guoli Chemical product database. Application Recommendations With an HLB value of 10.5, A-105 is particularly suitable for oil-in-water (O/W) emulsifying systems. When adding to the total formulation, it is recommended to slowly add the oil phase to be emulsified into the aqueous phase containing A-105 under stirring conditions to fully utilize its emulsifying efficiency. Typical applications include: textile printing and dyeing pretreatment wetting and penetration (dosage 0.1%–0.5%), metalworking fluid emulsifying oils (dosage 5%–15%), pesticide emulsifiable concentrate emulsification (dosage 3%–10%), industrial cleaning agents (dosage 2%–8%), leather degreasing agents (dosage 1%–5%), and cosmetic creams and lotions (dosage 1%–3%), etc. This product has broad compatibility and can be used in combination with anionic, cationic, and other non-ionic surctants. The HLB value can be adjusted to meet the emulsification requirements of different oil phases. In the textile and industrial cleaning fields, it can be used synergistically with common auxiliaries such as Peregal O, TX-10, and JFC to enhance overall treatment effectiveness. Precautions Alkali Resistance Limitation: The product is labeled as "not alkali-resistant." Before use in strong alkaline formulations with pH>10, compatibility testing should be performed to avoid hydrolysis leading to performance degradation. Operational Protection: The product is mildly irritating to the skin and eyes. It is recommended to wear nitrile gloves and protective goggles during operation to avoid prolonged direct contact. Storage Temperature: It is recommended to store at temperatures not exceeding 40°C, avoiding high temperatures and direct sunlight to prevent color deepening or changes in physicochemical properties. Compatibility: Packaging containers should be made of stainless steel, polyethylene, or lined steel drums to avoid prolonged contact with metals such as copper and aluminum. Appearance Changes: At lower temperatures, the product may appear as a paste, which is a normal physical phenomenon. It can be used after heating to 30–40°C to restore fluidity, without affecting product performance.

Oleic Acid Polyoxyethylene Ester A-105 (OEO-105)

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