Question 1

Is OPP-10 octylphenol polyoxyethylene ether phosphate harmful to humans? Does it have an impact on the environment?

Accepted Answer

OPP-10 octylphenol polyoxyethylene ether phosphate is a low-toxicity substance, but it is irritating to the skin and eyes; it is extremely toxic to aquatic organisms with long-lasting environmental effects, and emissions must be strictly controlled. Detailed Explanation Under normal industrial use conditions, OPP-10 octylphenol polyoxyethylene ether phosphate is a low-toxicity substance for humans, with relatively low acute toxicity risk. However, its main health hazard lies in local irritation — direct contact may cause skin redness, swelling, itching, and other irritation reactions, while eye contact may lead to conjunctival congestion, pain, and even corneal damage. In addition, when the product is exposed to open flames or decomposed by high temperatures, it may release toxic phosphorus oxides and carbon oxide fumes, which, if inhaled, will irritate or even damage the respiratory tract. Therefore, protective gloves, chemical safety goggles, and appropriate respiratory protective equipment must be strictly worn during operation. In terms of the environment, this product is extremely toxic to aquatic organisms and has long-lasting effects — meaning it degrades slowly in natural water bodies and can persist for a long time, causing continuous harm to aquatic ecosystems such as fish and plankton. The phenolic ether structure of this type of substance has certain persistence in the environment, and even minor leaks can have cumulative effects in the aquatic food chain. Untreated wastewater containing this product must not be discharged into any surce water, groundwater, or municipal sewer system. Overall, OPP-10 can be used safely under standardized operation and effective protection, but its environmental and ecological risks cannot be ignored. Companies using this product should establish comprehensive emergency response plans for leaks, equip suitable absorbent materials and collection cilities, and ensure that all waste liquids containing the product are disposed of through compliant waste treatment channels. Health and Environmental Hazard Summary Risk Category Hazard Level Specific Description Acute Toxicity (Human) Low Toxicity Low risk of acute poisoning under normal use conditions Skin Irritation Irritant Direct contact can cause skin redness and itching Eye Irritation Irritant After contact, immediately rinse with plenty of water for at least 15 minutes and seek medical attention Inhalation Risk Harmful Decomposition upon heating releases toxic phosphorus oxide fumes; wear a respirator Aquatic Toxicity Extremely Toxic Extremely toxic to aquatic organisms with long-lasting effects Environmental Persistence Long-term Residue Degrades slowly; untreated discharge into any water body is strictly prohibited Application Recommendations With its excellent emulsifying, wetting, penetrating, antistatic, and anti-rust properties, OPP-10 is widely used in textile printing and dyeing, metalworking fluids, industrial cleaning, pesticide formulations, emulsion polymerization, leather degreasing, paints and inks, and personal care products. When selecting this product, users are advised to fully assess its environmental and health risks in their formulation design, especially in process steps that may generate water discharge, and should implement corresponding wastewater treatment measures or choose environmentally friendly alternatives. Precautions Personal Protection: Wear nitrile rubber gloves, chemical safety goggles, and a filter respirator if vapor exposure is possible. Storage Requirements: Store in a cool, ventilated place with a warehouse temperature not exceeding 30°C, away from fire sources and heat, and separate from oxidizers and strong bases. Spill Handling: Small spills: absorb and collect with inert materials such as sand, vermiculite; large spills: dike and transfer using explosion-proof pumps. Environmental Controls: Do not discharge wastewater containing this product directly into water bodies; it must be treated through professional wastewater treatment systems before discharge to meet standards. First Aid Points: Skin contact: immediately remove contaminated clothing and wash with soap and water; eye contact: rinse continuously for at least 15 minutes and seek immediate medical attention; ingestion: do not induce vomiting; seek immediate medical attention.

Question 2

What should I do if problems occur during the use of OPP-10 Octylphenol Polyoxyethylene Ether Phosphate? How can I obtain technical support?

Accepted Answer

If problems occur during the use of OPP-10, systematically investigate the causes and contact the Guoli Chemical technical team for professional support. Common Issues and Troubleshooting Guide Typical problems encountered during the use of OPP-10 Octylphenol Polyoxyethylene Ether Phosphate are usually related to system compatibility, process conditions, or storage status. Below are common problem categories and troubleshooting directions: 1. Poor emulsification effect or emulsion stratification: First, check whether the addition amount of OPP-10 is within a reasonable range (usually 2% to 8% of the total system weight, depending on the oil phase type). Second, confirm whether the water hardness is too high—although OPP-10 itself has excellent hard water resistance, extreme hard water conditions (>500ppm) may still affect emulsification stability. Additionally, check for compatibility conflicts between other components in the formulation and the anionic phosphate ester, such as high concentrations of cationic components that may cause precipitation or demulsification. 2. Abnormal product appearance (color deepening, stratification, precipitation): The normal appearance of OPP-10 is a light yellow to yellow viscous liquid. If significant color deepening or stratification occurs, it may be due to excessive storage temperature (should be controlled below 30°C) or prolonged storage. Take a small sample to test pH and emulsification performance; if performance has not significantly decreased, it can usually still be used normally; if severely deteriorated, it is recommended to stop use and replace with a new batch. 3. Antistatic or anticorrosion effect not as expected: This is often related to insufficient OPP-10 dosage or interfering components in the system. It is recommended to gradually increase the addition amount for gradient testing, while also checking the pH environment of the working fluid—OPP-10 performs optimally under weakly acidic to neutral conditions. For metalworking fluid systems, it is also necessary to confirm whether there is competitive adsorption with other rust inhibitors. Standard Problem Handling Procedure When encountering usage problems, it is recommended to systematically investigate according to the following steps: Step 1: Check the product batch number and production date to confirm whether the product is within the shelf life. Step 2: Check whether the product appearance and odor are consistent with normal conditions, ruling out storage deterioration ctors. Step 3: Review the process operation records to confirm whether the addition sequence, temperature, and mixing conditions meet recommended requirements. Step 4: Take a sample for small-scale verification to rule out cross-contamination or measurement errors in large-scale production. Step 5: If the above checks cannot resolve the problem, retain the problem sample and contact the Guoli Chemical technical team. Technical Support Access Methods Haian County Guoli Chemical Co., Ltd. provides customers with multi-level technical support services: Routine technical support: Submit technical inquiries through Guoli Chemical's official channels (official website, customer service hotline, business manager), providing product batch number, usage formula, process conditions, and a specific description of the problem. Technical engineers will respond within working days. For routine issues such as formula optimization and process adjustment, remote assistance is usually available. In-depth technical support: For in-depth issues involving formula development, complex system compatibility, or on-site process ilures, Guoli Chemical can arrange application technical engineers for dedicated coordination. If necessary, services such as sample re-testing, formula analysis, and on-site technical guidance can be provided. Information to Prepare When Contacting the Technical Team Accurate product name and batch number Detailed formula composition and addition ratios Process conditions (temperature, mixing method, addition sequence, etc.) Specific description of the problem phenomenon and photos (if abnormal appearance) Retained problem sample (for sending for testing if needed) Precautions OPP-10 is very toxic to aquatic life with long-lasting effects. In case of leakage or waste liquid treatment issues during use, immediately refer to the spill emergency handling plan in the product safety data sheet, prevent entry into drains and any water bodies, and promptly contact Guoli Chemical for professional disposal guidance. For accidents involving personal safety (such as skin or eye contact, inhalation, ingestion), take first aid measures immediately and seek medical attention without delay.

Question 3

How to purchase OPP-10 Octylphenol Polyoxyethylene Ether Phosphate? What is the minimum order quantity?

Accepted Answer

To purchase OPP-10 Octylphenol Polyoxyethylene Ether Phosphate, you need to contact the Guoli Chemical sales team directly for quotations and ordering information. The official website does not disclose the minimum order quantity (MOQ). Detailed Explanation According to the Guoli Chemical product database, OPP-10 Octylphenol Polyoxyethylene Ether Phosphate (CAS No.: 51811-79-1) is a well-established anionic surctant, available in a variety of packaging specifications: 50kg plastic drums, 200kg plastic drums, and IBC totes. The actual purchase price, minimum order quantity, and specific transaction terms, as indicated by the system, are “The above prices are for reference only. Please contact the sales team for the latest quotation.” This means that the price and MOQ are flexibly determined based on order volume, partnership, and other ctors. You can contact the sales department through the official website of Haian Guoli Chemical Co., Ltd. to obtain a formal quotation and ordering process. For new customers, it is usually recommended to first apply for free samples for laboratory evaluation and formulation compatibility testing, and then proceed to commercial procurement after confirming product performance. Standard Packaging Specifications (Note: The following are standard packaging from the product database, not based on MOQ restrictions) Packaging SpecificationApplicable Scenario 50kg plastic drumSmall batch trials, pilot scale-up, or laboratory R&D 200kg plastic drumRegular industrial production batch IBC toteLarge-scale continuous production needs Suggested Purchase Process Step 1: Technical Communication — Confirm with the Guoli Chemical technical team whether the product specifications (active content ≥85%, acid value 30~50, ratio of mono- and di-esters, etc.) match your application system. Step 2: Request Samples — Obtain laboratory samples for formulation compatibility and performance verification, especially paying attention to the product's emulsion stability in acidic or alkaline media. Step 3: Business Negotiation — Clarify the order quantity, packaging requirements, delivery time, and payment terms to obtain a formal quotation. Step 4: Sign Contract — Sign a purchase and sales contract, and request the Safety Data Sheet (SDS) and Certificate of Analysis (COA) to ensure compliant usage. Precautions OPP-10 is a hazardous chemical (highly toxic to aquatic life, flammable when exposed to fire). The purchaser must possess the corresponding hazardous chemicals business license or entrust a qualified logistics carrier for pickup. Transport and storage must strictly comply with safety regulations, and the warehouse temperature should not exceed 30°C. It is recommended to first purchase the smallest packaging unit for trial production to avoid material waste due to formulation mismatch.

Question 4

Does OPP-10 octylphenol polyoxyethylene ether phosphate meet environmental requirements? Can a test report be provided?

Accepted Answer

OPP-10 is extremely toxic to aquatic life. Currently, routine environmental test reports are not provided. Special attention should be paid to the risk of prohibition due to its APEO structure. Detailed Explanation The environmental compliance of OPP-10 octylphenol polyoxyethylene ether phosphate is an issue that must be carefully evaluated in industrial applications. According to the product safety data provided by Guoli Chemical, this product is explicitly marked as "extremely toxic to aquatic life with long-lasting effects", which means that wastewater containing this ingredient, if discharged without strict treatment, will cause significant harm to the ecology of natural water bodies. This is a core negative ctor in assessing its environmental attributes, potentially conflicting with today's green environmental protection and water source protection policy directions. More critically, OPP-10 is produced by phosphate ester modification of octylphenol polyoxyethylene ether (which belongs to alkylphenol polyoxyethylene ethers, i.e., APEO substances). Globally, APEO (including its phosphate ester derivatives) are increasingly restricted by environmental regulations and end brands due to poor biodegradability and the environmental estrogenic effects of their degradation products. For example, the EU REACH regulation and OEKO-TEX Standard 100 both impose strict restrictions on APEO and its derivatives. As a result, products using OPP-10 may not meet the ecological requirements for export to Europe and America or for high-end home textiles. Regarding the test report you inquired about, our company's product database currently does not provide routine environmental test reports for this finalized product (such as biodegradation rate, environmental hormone screening, acute aquatic toxicity data, etc.). If you have a clear intention to purchase and specific compliance testing needs (such as OEKO-TEX, ZDHC, SGS specific items), we can apply to the technical department to check existing data for specific batches, or assist customers in sending the product to an authoritative third-party testing agency for targeted analysis. Application Suggestions Given its environmental risks, we provide the following suggestions to help you control compliance risks in application: Prohibited for export and high-end markets: If your end products need to be exported to the EU or manuctured for international first-line brands, please give priority to our other environmentally friendly phosphate ester emulsifiers that do not contain APEO structures. Due to its APEO property, OPP-10 is basically not suitable for such markets. Domestic sales and industrial cleaning scenarios: In some domestic fields such as industrial cleaning and metal processing where strict APEO control is not yet enforced, OPP-10 can still be used. However, a strict wastewater treatment process must be established to ensure that production wastewater is professionally treated and meets discharge standards before being discharged. Direct discharge into municipal pipelines or natural water bodies is strictly prohibited. Formulation adjustment plan: To adapt to stricter environmental trends, it is recommended to evaluate the use of tty alcohol polyoxyethylene ether phosphate (AEP) or isomeric alcohol ether phosphate as alternatives. They generally have better biodegradability and lower ecological toxicity, and can meet main performance requirements. Precautions When using and disposing, be sure to strictly follow the guidance of the Material Safety Data Sheet (MSDS). Especially in the emergency response and handling of leaks, it must be prevented from entering any water body, sewer or soil. Since this product is explicitly extremely toxic to aquatic life, any waste containing OPP-10 should be treated as hazardous waste and handed over to qualified professional institutions for disposal. This is the minimum bottom line for enterprises to fulfill their environmental regulatory responsibilities.

Question 5

What are the advantages of OPP-10 octylphenol polyoxyethylene ether phosphate compared with other similar products?

Accepted Answer

The core advantage of OPP-10 octylphenol polyoxyethylene ether phosphate lies in its "nonionic-anionic dual characteristics", integrating excellent emulsification dispersion, acid-alkali resistance, hard water tolerance, antistatic and anti-rust multifunctionality, exhibiting broader formulation adaptability and more stable performance under demanding conditions among similar phosphate surctants. Detailed Explanation Compared with conventional single-ion type surctants, the greatest differentiated competitive advantage of OPP-10 comes from its molecular structure design—it is obtained by phosphate esterification modification of octylphenol polyoxyethylene ether (nonionic precursor), with both polyoxyethylene ether chains (giving nonionic characteristics) and phosphate ester groups (giving anionic characteristics) retained in the molecule. This dual structure endows OPP-10 with excellent emulsification and wetting penetration capabilities of nonionic surctants, as well as dispersion stability and antistatic performance of anionic surctants, r exceeding ordinary single-ion products in functional coverage. In terms of chemical stability, OPP-10's acid-alkali resistance and hard water tolerance are particularly outstanding, which are key advantages distinguishing it from many similar products. Common anionic surctants (such as carboxylates and sulfonates) are prone to decreased activity and precipitation in acidic conditions or hard water environments, while OPP-10, leveraging the synergistic effect of ether bonds and phosphate ester groups, maintains stable intercial activity under complex water quality conditions and wide pH range, making it irreplaceable in demanding applications such as metalworking fluids and industrial cleaning. In addition, OPP-10's "multi-function in one agent" feature significantly reduces formulation complexity and cost. The product simultaneously possesses five major functions: emulsification, wetting, dispersion, antistatic, and rust prevention and corrosion inhibition, allowing formulators to achieve multiple effects without adding various functional additives. Moreover, its good compatibility with anionic, nonionic, cationic surctants and various auxiliaries provides much higher formulation flexibility than similar phosphate products, enabling wide application coverage in multiple industries such as textiles, pesticides, and coatings. Technical Parameters The main characteristic parameters of OPP-10 octylphenol polyoxyethylene ether phosphate are as follows: ParameterIndicatorDescription Ion TypeAnionicAlso possesses nonionic characteristics AppearanceLight yellow to yellow viscous liquid— CAS Number51811-79-1— Chemical StructureOctylphenol polyoxyethylene ether phosphate (10EO)Contains ether bond + phosphate ester group Acid-Alkali ResistanceExcellentStable over wide pH range Hard Water ToleranceExcellentMaintains activity under complex water quality Detailed physicochemical parameters (HLB value, cloud point, hydroxyl value, etc.)Not available currentlyContact Guoli Chemical Technology Department for details Application Suggestions Based on the performance advantages of OPP-10, it is recommended to prioritize its use in the following scenarios: Metalworking fluid formulations: Utilize its dual emulsification and anti-rust functions to reduce the amount of rust inhibitor added in the formulation, lowering overall cost. Industrial cleaning agents (especially in hard water areas): Use as the main emulsifier, remaining active in hard water environments, ensuring stable and reliable cleaning performance. Pesticide emulsifiable concentrates/water emulsions: Act as an emulsifier to provide excellent emulsion stability and liquid adhesion, especially suitable for field dilution scenarios with complex water quality. Textile scouring and antistatic treatment: Achieve both wetting penetration and antistatic effects with one agent, simplifying pretreatment process flow. Coating and ink systems: Use as a wetting dispersant to effectively prevent pigment flocculation, floating color, and flooding issues. Selection advice compared with similar phosphate surctants: If the formulation environment features large pH fluctuations and high water hardness, or requires simultaneous satisction of multiple functions such as emulsification, antistatic, and anti-rust, OPP-10 offers the most significant comprehensive cost-performance advantage. If only a single emulsification function is needed under mild conditions, a lower-cost common nonionic surctant may be considered. Precautions This product is irritating to skin and eyes. Wear protective gloves and chemical safety goggles during handling. It is combustible in the presence of open flames or high heat. Thermal decomposition may release toxic phosphorus oxide gases. Storage and use environments should be away from ignition sources; warehouse temperature should not exceed 30°C. It is highly toxic to aquatic organisms with long-lasting effects. Do not discharge directly into any water bodies without treatment. Avoid contact with oxidizers and strong bases; store separately during storage. Refer to the product Safety Data Sheet (MSDS) for detailed safety operation information.

Question 6

How to store OPP-10 Octylphenol Polyoxyethylene Ether Phosphate? What is the shelf life?

Accepted Answer

OPP-10 should be stored sealed in a cool, well-ventilated place with warehouse temperature not exceeding 30°C, away from fire sources and oxidizers; there is no official shelf life data, and it is recommended to use within 12 months under original sealed conditions. Detailed Description OPP-10 Octylphenol Polyoxyethylene Ether Phosphate is an anionic phosphate surctant, appearing as a pale yellow viscous liquid at room temperature. Due to the phosphate ester group in its molecular structure, the product has certain hygroscopicity, it is combustible when exposed to open flames and high heat, and thermal decomposition may release toxic phosphorus oxide gases. Therefore, proper storage is crucial for maintaining product performance and use safety. This product is highly toxic to aquatic life with long-lasting effects. Strict measures must be taken to prevent leakage into sewers, surce water, and groundwater during storage and management. It should be stored separately from oxidizers, strong bases, and edible chemicals, and mixed storage must be avoided to prevent chemical reactions or contamination. Storage Conditions Storage RequirementsSpecific Conditions Storage EnvironmentCool, well-ventilated dedicated warehouse Temperature ControlWarehouse temperature should not exceed 30°C Container StatusKeep container sealed to prevent moisture absorption Isolation RequirementsKeep away from fire and heat sources; store separately from oxidizers, strong bases, and edible chemicals Management RequirementsImplement a two-person receiving and two-person storage system cility RequirementsUse explosion-proof lighting and ventilation equipment; prohibit the use of mechanical equipment and tools that may generate sparks Emergency PreparednessThe storage area should be equipped with leak emergency treatment equipment and appropriate containment materials Shelf Life Explanation According to the Guoli Chemical database, there is no officially labeled shelf life data for OPP-10. In chemical industry practice, the shelf life of anionic phosphate surctants usually depends on the compliance with storage conditions. Under strict adherence to the above storage conditions and with the original seal intact, it is generally recommended to use within 12 months to ensure optimal product performance. If stored beyond the recommended period, check the product appearance before use (normal: pale yellow viscous liquid, no separation, no clumping, no unusual odor) and conduct small-scale tests to verify whether core properties such as emulsification and dispersion meet requirements. If the product shows significant color darkening, precipitation, or off-odor, discontinue use. Application Recommendations Follow the first-in-first-out principle when using the product to avoid long-term accumulation. Seal the container immediately after each use to prevent moisture absorption and contamination. For repackaging, use clean, dry containers and clearly label the product name and safety information. The product is available in 50kg plastic drums, 200kg plastic drums, and IBC totes. Choose an appropriate package size based on usage volume to reduce storage risks after opening. Precautions Wear permeation-resistant work clothing, chemical-resistant gloves (e.g., nitrile rubber gloves), and chemical safety goggles during operation. Avoid skin and eye contact. No smoking in the workplace; use explosion-proof electrical equipment. If leakage occurs, immediately cut off ignition sources, collect with non-combustible absorbent materials (e.g., sand), and seal for disposal. Prevent entry into waterways. Dispose of waste products in accordance with hazardous chemical regulations through qualified units; do not discharge arbitrarily.

Question 7

What safety precautions should be taken when using OPP-10 octylphenol polyoxyethylene ether phosphate?

Accepted Answer

OPP-10 octylphenol polyoxyethylene ether phosphate is a low-toxicity but irritating flammable chemical. During operation, special attention should be paid to protecting the skin, eyes, and respiratory tract, keeping away from ignition sources, and strictly preventing leakage into water bodies. Detailed Description OPP-10 octylphenol polyoxyethylene ether phosphate is an anionic phosphate ester surctant, appearing as a light yellow to yellow viscous liquid. This product is irritating to skin and eyes, combustible when exposed to open flames or high heat, and may release toxic phosphorus oxide gases upon thermal decomposition. In addition, it is highly toxic to aquatic life with long-lasting effects. Therefore, strict safety regulations must be followed during storage, use, and disposal. Operators must undergo specialized training and work in enclosed or well-ventilated environments. Keep away from sparks and heat sources; smoking is strictly prohibited in the workplace. Avoid contact with oxidizers and strong alkalis during operation. Handle with care during transportation to prevent damage to packaging and containers. It is recommended to equip safety showers and eyewash stations to handle emergencies. In case of leakage, immediately evacuate personnel from the contaminated area to a safe zone, isolate the area, restrict access, and eliminate all ignition sources. For small spills, cover and collect with inert absorbent materials such as sand, vermiculite, etc. For large spills, dike r ahead to contain the spill and transfer with explosion-proof pumps. Under no circumstances should the product be allowed to enter sewers, surce water, or groundwater. Personal Protection Requirements Protective AreaProtective Measures Respiratory systemWhen potentially exposed to vapors or fumes, wear a filter-type gas mask (half-ce); in emergency or evacuation situations, wear an air respirator. EyesWear chemical safety goggles. BodyWear impermeable protective clothing to avoid skin contact. HandsWear chemical-resistant protective gloves, such as nitrile rubber gloves. Storage Conditions Store in a cool, well-ventilated dedicated warehouse; the storage temperature should not exceed 30℃. Keep containers tightly sealed, away from sparks and heat sources. Should be stored separately from oxidizers, strong alkalis, and food chemicals; do not store together. Use explosion-proof lighting and ventilation cilities; prohibit the use of machinery that may generate sparks. Implement a double-person receipt and double-person custody system. The storage area should be equipped with spill emergency response equipment and suitable containment materials. First Aid Measures Exposure TypeFirst Aid Method Skin contactImmediately remove all contaminated clothing and thoroughly rinse skin with plenty of running water and soap. If irritation symptoms occur, seek medical attention immediately. Eye contactImmediately lift eyelids and rinse continuously with plenty of running water or saline for at least 15 minutes. Seek medical attention immediately. InhalationQuickly remove from the scene to fresh air and maintain an open airway. If breathing is difficult, administer oxygen. If breathing or heartbeat stops, immediately perform CPR. Seek medical attention immediately. IngestionRinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Seek medical attention immediately. Firefighting Measures This product is combustible when exposed to open flames or high heat; thermal decomposition releases toxic phosphorus oxide and carbon oxide fumes. Firefighters must wear full-body fireproof and chemical protective clothing and operate from upwind or a safe distance. Suitable extinguishing agents: alcohol-resistant foam, dry powder, carbon dioxide, sand/earth. Notes For detailed safety data, please refer to the Safety Data Sheet (SDS). This content is a summary and cannot replace the complete SDS document. This product is highly toxic to aquatic life with long-lasting effects. Do not discharge into any water bodies without treatment. Disposal should comply with local hazardous waste management regulations and be handled by qualified units.

Question 8

How to use OPP-10 Octylphenol polyoxyethylene ether phosphate? What is the recommended addition amount?

Accepted Answer

OPP-10 is a general-purpose anionic surctant. Before use, dilute it or add it directly to the formulation and stir to disperse. The recommended addition amount varies widely depending on the application field, generally between 0.1% and 8%. Detailed Description OPP-10 (Octylphenol polyoxyethylene ether phosphate) is a light yellow viscous liquid that is easily soluble in water and can be used directly at room temperature. There are usually two methods of use: one is to add it directly to the formulation system and mix it evenly with other components under stirring; the other is to pre-dilute it with a small amount of warm water into a solution of a certain concentration before adding it to the final system. Since the product has an effective content of ≥85% and a certain viscosity, fluidity may decrease at low temperatures in winter. It is recommended to operate at 15–30°C, or slightly preheat (not exceeding 40°C) before use to cilitate pouring and dispersion. From the mechanism of action, OPP-10 contains both ether bonds and phosphate ester groups, providing dual functions of emulsification and penetration. Its critical micelle concentration (CMC) is approximately 200 mg/L, meaning it can significantly reduce surce tension at very low concentrations. Therefore, in practical use, good results can be achieved at low dosages. Excessive addition not only increases costs but may also cause excessive foaming or system stability issues. The specific dosage needs to be determined through gradient tests based on the interactions of other components in the formulation and the target performance. Technical Parameters ParameterValue AppearanceLight yellow viscous liquid Effective Content≥85% HLB Value11–12 pH (1% aqueous solution)6.0–8.0 CMC (Critical Micelle Concentration)0.1–0.5 mmol/L (approximately 200 mg/L) Surce Tension30–35 mN/m Foam CharacteristicsMedium to low foaming SolubilityEasily soluble in water and organic solvents Application Recommendations Important Note: The following addition amounts are general reference ranges for various application fields in the industry and are not official recommended addition amounts from Guoli Chemical. The optimal dosage should be determined through gradient tests based on the specific formulation. Guoli Chemical's product database does not have official recommended addition amounts for each application field. Application FieldReference Addition AmountUsage Method Metalworking Fluids (Cutting Fluids/Grinding Fluids) 2%–8% (concentrate formulation) Add directly to base oil or water, stir to emulsify Industrial and Hard Surce Cleaners 0.5%–3% (working solution) Compound with alkaline additives, chelating agents, etc., and dilute for use Textile Dyeing and Finishing Aids (Scouring Agents/Antistatic Agents) 1–5 g/L (treatment bath) Prepare as a working solution for immersion or pad treatment Pesticide Emulsifiers 2%–10% (formulation) Mix with pesticide active ingredient and solvent to prepare emulsifiable concentrate or emulsion in water Personal Care Products (Emulsifying Solubilizers) 0.5%–3% (total formulation) Add to the aqueous phase to disperse fragrances or oily components Emulsion Polymerization 0.5%–2% (based on monomer weight) Add during pre-emulsification stage, mix with monomers, and initiate polymerization Leather Degreasing 0.5–2 g/L (working solution) Prepare as a degreasing bath for immersion or drum treatment Wetting and Dispersing Agents for Coatings and Inks 0.1%–0.5% (total formulation) Add during the grinding stage to help disperse and stabilize pigments Precautions Compatibility: OPP-10 has good compatibility with various nonionic and anionic surctants and auxiliaries, but should avoid direct contact with strong oxidizers and strong alkalis to prevent decomposition. Dilution Sequence: When used in a compound system, it is recommended to add OPP-10 to the aqueous phase first and stir evenly before adding other components to achieve the best dispersion effect. Safety Protection: This product is mildly irritating to the skin and eyes. Wear nitrile rubber gloves and chemical safety goggles during operation. The workplace should be well-ventilated to avoid inhaling vapors or fumes. Storage Conditions: Store in a cool, ventilated place, with warehouse temperature not exceeding 30°C. Keep the container sealed, away from fire and heat sources. Low temperatures in winter may cause thickening, which is normal; slight warming can restore fluidity. Environmental Handling: This product is highly toxic to aquatic life. Wastewater after use must not be discharged directly into any water body without treatment. Dispose of waste liquid according to local environmental regulations.

Question 9

What are the main industries and processes where OPP-10 Octylphenol Polyoxyethylene Ether Phosphate is applied?

Accepted Answer

OPP-10 Octylphenol Polyoxyethylene Ether Phosphate extensively covers eight major industries including textile dyeing and finishing, metalworking, industrial cleaning, pesticides, personal care, emulsion polymerization, leather processing, and coatings and inks, serving as a multifunctional anionic phosphate surctant. Detailed Description OPP-10 Octylphenol Polyoxyethylene Ether Phosphate (CAS No.: 51811-79-1) is an anionic surctant produced by modifying octylphenol polyoxyethylene ether through phosphation, appearing as a light yellow to yellow viscous liquid. Its molecular structure contains both ether bonds and phosphate ester groups, endowing the product with dual characteristics of nonionic and anionic surctants, offering broad application value in multiple industrial fields. With excellent emulsifying ability, wetting and penetrating properties, as well as dispersion stability, OPP-10 maintains stable intercial activity under complex water conditions and acidic/alkaline environments. The product also exhibits good antistatic performance and certain rust-inhibiting and corrosion-preventing effects, with good compatibility with various surctants and auxiliaries, making it an efficient "multi-functional one-dose" choice in industrial formulations. Main Application Industries and Processes Application Industry Specific Process/Use Function Description Textile Dyeing and Finishing Antistatic agent, scouring agent Provides excellent wetting, penetrating, and antistatic properties, enhancing uniformity of fiber treatment and effectively eliminating static electricity accumulation during fiber processing Metalworking Fluids Cutting fluid, grinding fluid formulations Used as emulsifier and rust inhibitor, ensuring emulsion stability while providing short-term rust protection for metal surces Industrial and Hard Surce Cleaning Degreasing and cleaning of industrial equipment and hard surces Enhances emulsification and dispersion of heavy oil stains in cleaning agents, suitable for high-efficiency degreasing cleaning formulations Pesticide Formulations Emulsifiable concentrates, aqueous emulsions, etc. Promotes stable emulsification of pesticide active ingredients in the aqueous phase, improving spreading and adhesion of the spray liquid on plant surces Personal Care and Cosmetics Oil-in-water emulsifier, solubilizer Helps in transparent dispersion and solubilization of fragrances and oily ingredients in water-based systems (e.g., toners) Emulsion Polymerization Acrylic, styrene-acrylic emulsion polymerization Provides good emulsification and particle stability, improving mechanical and freeze-thaw stability of the emulsion Leather Processing Leather degreasing process Effectively removes natural ts from raw hides while maintaining a mild action, reducing structural damage to leather fibers Coatings and Inks Wetting and dispersing agent Promotes wetting and dispersion of pigments and fillers in coating and ink systems, preventing flocculation, floating, and flooding Application Recommendations The core advantage of OPP-10 lies in its excellent acid and alkali resistance and hard water tolerance, making it particularly outstanding under complex water conditions (e.g., high-hardness groundwater) or acidic/alkaline environments. It is recommended that formulation engineers fully utilize its multiple effects of "emulsification + antistatic + rust prevention," achieving a multi-functional one-dose in metalworking fluids and textile auxiliaries. This product has good compatibility with various anionic, nonionic, and other surctants and auxiliaries, offering high formulation flexibility. Precautions This product is irritating to skin and eyes; nitrile rubber protective gloves and chemical safety goggles are recommended during handling. It is combustible in the presence of open flames or high heat, and thermal decomposition may release toxic phosphorus oxide gases; keep away from ignition sources and high temperatures, and storage temperature should not exceed 30°C. It is extremely toxic to aquatic life with long-lasting effects; do not discharge into any water body without treatment; waste liquid must be handled according to regulations after use. Store separately from oxidizing agents and strong alkalis, keep container sealed, and store in a cool, ventilated dedicated warehouse.

Question 10

What are the physical and chemical technical parameters of OPP-10 Octylphenol Polyoxyethylene Ether Phosphate?

Accepted Answer

OPP-10 Octylphenol Polyoxyethylene Ether Phosphate physical and chemical technical parameters are complete, covering multiple dimensions such as basic physical properties, surce activity indicators, chemical characteristics, and composition data, cilitating formulation screening and quality control. Detailed Description OPP-10 (Octylphenol Polyoxyethylene Ether Phosphate) is an anionic surctant obtained by phosphating modification of octylphenol polyoxyethylene ether. The product appears as a light yellow to yellow viscous liquid with CAS number 51811-79-1. Its molecular structure is a mixture consisting of monoester and diester—the average structure of monoester is RC₆H₄O(CH₂CH₂O)₁₀PO₂(OH)₂, and the diester is [RC₆H₄O(CH₂CH₂O)₁₀]₂PO₂H (R is C₈H₁₇ octyl), with an average molecular weight of about 800. This product possesses dual characteristics of nonionic chains (ether bonds) and anionic groups (phosphate ester groups), exhibiting excellent acid and alkali resistance, hard water tolerance, and chemical stability. The HLB value is between 11 and 12, with moderate hydrophilicity, easily soluble in water and organic solvents, and also has good emulsifying, wetting penetrating, dispersing stabilizing, and antistatic properties. The following technical parameters are sourced from GuoLi Chemical's internal quality database. Technical Parameters 1. Basic Physical Properties and Chemical Indicators Parameter ItemValue \/ Description AppearanceLight yellow viscous liquid Ion TypeAnionic CAS Number51811-79-1 Molecular WeightAbout 800 Active Content≥85% Solid Content≥85% Moisture≤1.0% Density (25℃)1.05~1.10 g\/cm³ Kinematic Viscosity (25℃)200~500 mPa·s Refractive Index (25℃)1.480~1.500 Flash Point＞150℃ Melting Point\/Pour PointLiquid at room temperature, pour point ＜-10℃ HygroscopicityHygroscopic Chemical StabilityResistant to acid and alkali, good chemical stability 2. Surce Activity Parameters Parameter ItemValue \/ Description HLB Value11~12 Cloud PointNot applicable (anionic surctant) Surce Tension (25℃, 1% aqueous solution)30~35 mN\/m Critical Micelle Concentration (CMC)0.1~0.5 mmol\/L (about 200 mg\/L) Penetration Power10~30 s (standard canvas sinking method) Foam PropertiesMedium to low foaming Water SolubilityEasily soluble in water and organic solvents 3. Chemical Indicators and Composition Analysis Parameter ItemValue Acid Value30~50 mgKOH\/g Saponification Value80~120 mgKOH\/g Hydroxyl Value30~60 mgKOH\/g Iodine Value≤2 gI₂\/100g pH Value (1% aqueous solution)6.0~8.0 pH Value (5% aqueous solution)6.0~7.0 Phosphate Monoester Content40%~60% Phosphate Diester Content20%~40% Bound Phosphorus Content5%~10% Free Phosphoric Acid≤1.5% Free Alcohol≤3% Amine Value＜1 mgKOH\/g Tertiary Amine Content＜0.5% Heavy Metals≤20 ppm Arsenic (As)≤3 ppm Alkali ResistanceMedium UnsaturationVery low (iodine value ≤2) Application Suggestions Based on the above parameters, the following suggestions are given for the practical application of OPP-10: Emulsification and Solubilization: The HLB value of 11-12 makes it suitable as an oil-in-water (O\/W) emulsifier. It is recommended for use in pesticide emulsifiable concentrates, emulsion concentrates, and personal care formulations. The recommended dosage is 1%~5% of the total formulation (based on active matter). Metalworking Fluids: The acid value of 30~50 mgKOH\/g imparts certain anti-rust and corrosion inhibition functions. It can be compounded with sulfonates, tty acid soaps, etc., for use in cutting fluids and grinding fluid systems, providing both emulsification and anti-rust effects. Textile Pretreatment: The penetration power of 10~30 seconds and low foam characteristics make it suitable for scouring agents and antistatic agent formulations, quickly wetting fibers without generating excessive foam that interferes with the process. Cleaning Formulations: Excellent emulsifying and dispersing ability and alkali resistance make it particularly suitable for industrial heavy oil cleaning and hard surce cleaning products. Emulsion Polymerization: The ratio of monoester to diester content (about 40~60\/20~40) has an important influence on the stability of latex particles. It is recommended to be used as a co-emulsifier in acrylic and styrene-acrylic emulsion polymerization. Precautions Safety Protection: This product is irritating to skin and eyes. Chemical protective gloves (nitrile rubber recommended) and goggles must be worn during operation; if exposure to vapor is possible, wear a filter-type gas mask. Storage Conditions: Store in a cool, ventilated place. The warehouse temperature should not exceed 30℃. Keep the container sealed, away from fire, heat, oxidizers, and strong alkali substances. Environmental Discharge: This product is extremely toxic to aquatic life with long-lasting effects. Do not discharge directly into any water body without treatment. Compatibility: Good compatibility with various nonionic and anionic surctants; avoid direct contact with strong oxidizers. Packaging Specifications:

OPP-10 Octylphenol Ethoxylate Phosphate Ester

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Property	Value
CAS No.	51811-79-1
Molecular Formula	Mixture; no single formula. Average structure: RC6H4O(CH2CH2O)10PO2(OH)2 (monoester) / [RC6H4O(CH2CH2O)10]2PO2H (diester), R=C8H17
Appearance	Pale yellow viscous liquid
Ionic Type	Anionic
Avg. Molecular Weight	Approx. 800
Cloud Point	N/A (anionic surfactants)
Active Content	≥85
pH Value(1%)	6.0~8.0
pH Value(5%)	6.0~7.0
Iodine Value	≤2
Solubility	Readily soluble in water and organic solvents
Surface Tension	30~35
CMC	0.1~0.5 mmol/L (~200 mg/L)
Acid Value	30~50
Saponification Value	80~120
Hydroxyl Value	30~60
Moisture	≤1.0
Density	1.05~1.10
Kinematic Viscosity	200~500
Refractive Index	1.480~1.500
Flash Point	>150
Hygroscopicity	Hygroscopic
Chemical Stability	Resistant to acids and alkalis; good chemical stability
Amine Value	<1
Tertiary Amine Content	<0.5
Penetration	10-30 s
Foam Property	Medium to low foam
Alkali Resistance	Moderate
Unsaturation	Extremely low (Iodine Value ≤2)
Viscosity	200~500
Melting Point	Liquid at ambient temp.; pour point <-10°C
Free Phosphoric Acid	≤1.5
Monoester Content	40~60
Diester Content	20~40
Low Shear Viscosity	200~500
Solid Content	≥85
Free Alcohol	≤3
Phosphate Monoester	40%~60
Phosphate Diester	20%~40
Bound Phosphorus	5~10
Heavy Metal	≤20
Arsenic	≤3

OPP-10 Octylphenol Ethoxylate Phosphate Ester

Product Details

Applications

Properties

Safety

Product Overview

Packaging and Storage

Phosphate Ester / Penetrant Applications

Product Properties

Safety

GHS

Handling

Storage

First Aid

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