Question 1

Is OP-30 octylphenol polyoxyethylene ether harmful to the human body? Does it have any impact on the environment?

Accepted Answer

OP-30 octylphenol polyoxyethylene ether is toxic to humans (harmful if swallowed, irritates skin and eyes) and harmful to aquatic organisms, requiring safe use under regulated operations. Detailed Explanation OP-30 octylphenol polyoxyethylene ether is a nonionic surctant. According to the Globally Harmonized System of Classification and Labelling of Chemicals (GHS) standards, this product poses certain hazards to human health and the environment. In routine industrial applications, the risks are manageable as long as safety operating procedures are strictly followed and personal protective measures are taken. From the perspective of human health, OP-30 has acute oral toxicity classified as Category 4, causing health damage if swallowed; it is also a skin irritant (Category 2) and a serious eye irritant (Category 2A). Direct contact may lead to skin redness, pain, eye congestion, tearing, and other discomfort. Additionally, inhaling its dust or mist may irritate the respiratory tract, so comprehensive protection of the respiratory system, hands, eyes, and body must be ensured during handling. From an ecological perspective, OP-30 is acutely toxic to aquatic organisms (Category 3). If large quantities enter natural water bodies, it may adversely affect aquatic ecosystems such as fish and plankton. Therefore, industrial wastewater containing this product must be properly treated and must not be discharged directly into sewers, rivers, or lakes without treatment. Technical Parameters Hazard CategoryGHS ClassificationHazard CodeHazard Statement Acute toxicity (oral)Category 4H302Harmful if swallowed Skin corrosion/irritationCategory 2H315Causes skin irritation Serious eye damage/eye irritationCategory 2AH319Causes serious eye irritation Hazardous to the aquatic environment - acute hazardCategory 3H402Harmful to aquatic life Application Recommendations Given the wide application of OP-30 in pesticide emulsification, textile printing and dyeing, industrial cleaning, metalworking, emulsion polymerization, and petroleum demulsification, it is recommended that enterprises establish a comprehensive risk control system when using this product: optimize dosage in formulation design, set up effective local exhaust and closed operating systems in process layout, and reduce direct contact opportunities between operators and the product at the source. For wastewater treatment, industrial wastewater containing OP-30 should be directed to the plant's wastewater treatment station. Residual surctants can be degraded through biological treatment or advanced oxidation processes to ensure compliance with discharge standards and minimize the impact on the aquatic environment. Precautions Personal Protection: Wear chemical safety goggles, chemical-resistant gloves (e.g., nitrile rubber gloves), and protective clothing during handling; if ventilation is insufficient, also wear respiratory protection. Hygiene Management: Eating, drinking, or smoking is prohibited in the work area. Hands must be thoroughly washed after handling. Contaminated clothing must be cleaned before reuse. Storage Requirements: Store in a cool, dry, well-ventilated warehouse away from heat and ignition sources. Keep containers tightly closed to avoid high temperatures or freezing. First Aid Measures: In case of skin contact, wash with plenty of water and soap for at least 15 minutes. For eye contact, immediately flush with running water for at least 15 minutes and seek medical attention. If swallowed, do not induce vomiting; seek medical attention immediately and show the product label or SDS to the doctor. Spill Containment: Use inert absorbent materials (e.g., sand, diatomaceous earth) to contain spills. Prevent spills from entering drains or water bodies. Collect waste materials and dispose of them according to regulations. Further Information: The above is only a summary of hazards. For complete safety data, please refer to the full Safety Data Sheet (SDS) of the product.

Question 2

What should I do if problems occur during the use of OP-30 Octylphenol Ethoxylate? How to obtain technical support?

Accepted Answer

When problems occur during the use of OP-30, please stop the operation first and conduct preliminary troubleshooting according to common problems; if not resolved, you can obtain one-on-one professional support through the official technical hotline of Guoli Chemical. Common usage issues and troubleshooting methods OP-30 Octylphenol Ethoxylate (CAS number: 9036-19-5), as a nonionic surctant, may encounter the following typical issues in daily applications: 1. Poor emulsification effect or emulsion stratification—— First, check whether the product appearance is normal (the product standard is white to slightly yellow waxy solid). If severe discoloration or odor occurs, it may have deteriorated. Second, confirm whether the usage temperature is appropriate. The cloud point of OP-30 is above 100°C, but the actual emulsification temperature should be adjusted according to the type of oil phase. Finally, check the water quality: although this product is stable in hard water, excessively high concentrations of calcium and magnesium ions in the water may still affect the emulsification effect. It is recommended to use with softened water. 2. Slow dissolution rate or incomplete dissolution—— OP-30 is a waxy solid (melting point approximately 45-55°C). Directly adding it to cold water will result in slow dissolution. It is recommended to pre-dissolve it in warm water at 40-60°C with stirring, and then add it to the main working solution after complete dispersion. Note that the product is hygroscopic. If it is stored open for a long time and forms lumps, it can be crushed with stainless steel tools before dissolution. 3. Insufficient cleaning or penetrating power—— Confirm whether the dosage is appropriate (generally recommended 0.5%~3%, varying by application). The penetration data of OP-30 is greater than 300s (canvas settlement method), which is a medium-speed penetration type. If rapid penetration is required, consider using a product with a lower EO number. Also check whether the pH value of the working solution is near the neutral range of 5.0~7.0. Extreme acid-base conditions will not damage the stability of this product, but may affect its surce activity performance. 4. Abnormal foam—— OP-30 itself is a low-foam product, producing less foam under normal use. If the foam increases abnormally, it may be due to synergistic effects with other high-foam additives or the presence of other foaming impurities in the system. This can be resolved by adjusting the compounding ratio or adding defoamer. Technical parameters When encountering problems, you can refer to the following key indicators to determine whether the product is qualified (data source: Guoli Chemical Product Database): Parameter NameSpecification ValueReference significance for troubleshooting AppearanceWhite to slightly yellow waxy solidAbnormal deepening of color indicates possible oxidation or contamination Active content≥99%Insufficient active ingredient will lead to a decline in all performance pH value (1% aqueous solution)5.0~7.0Deviation from this range may indicate impurities or degradation Hydroxyl value35~40 mgKOH\/gReflects the molecular weight distribution of the product; excessive deviation will affect emulsifying power Moisture content≤0.5%Excessively high moisture will reduce the active content and affect storage HLB value17Strong hydrophilicity, suitable for O\/W emulsion systems Cloud point>100℃Abnormally low cloud point may indicate product degradation Chemical stabilityStable in acid, alkali, and hard waterIn extreme working conditions, if performance fluctuates, other ctors should be investigated Application recommendations Optimal usage conditions: The usage temperature for OP-30 is recommended to be controlled at 40-80°C, adjusted according to the specific application scenario. For pesticide emulsifiable concentrate preparation, the recommended dosage is 3%~8%; for textile scouring agents, the recommended dosage is 2%~5%; for metal cleaning agents, the recommended dosage is 1%~4%; for emulsion polymerization, the recommended dosage is 1%~3% of the monomer amount. Before use, ensure it is fully and uniformly dissolved to avoid local high concentrations. Compounding recommendations: OP-30 is a nonionic surctant and can be compounded with anionic, cationic, and other nonionic surctants with good synergistic effects. However, it should be stored and used separately from strong oxidizers (such as high-concentration peroxides and chlorine-based bleaches) to avoid irreversible degradation. How to obtain technical support from Guoli Chemical If the problem is still not resolved after the above troubleshooting, Guoli Chemical provides the following technical support channels: 1. Review the complete product documentation—— Visit the Guoli Chemical official website (www.guolichem.com) to obtain the full version of the Safety Data Sheet (SDS) and Technical Data Sheet (TDS) for OP-30, which contain detailed physicochemical properties, toxicological information, and waste disposal information. 2. Contact the technical team—— Call the Guoli Chemical technical service hotline and provide the following information for quick problem identification: product batch number, purchase date, storage conditions, specific application scenario, usage ratio, operating temperature, and a description of the problem phenomenon. The technical engineer will provide tailored assistance based on the actual situation: Targeted formula adjustment recommendations Product sample re-inspection service On-site application technical support (arranged depending on region and project) Recommendations for alternative products or compounding solutions 3. Sample testing service—— Guoli Chemical can perform free re-inspection analysis on problem samples from customers in use. Customers need to send the retained sample (not less than 200g) to the company's quality inspection center, and a test report will typically be issued within 3-5 working days. Precautions Before troubleshooting, be sure to wear personal protective equipment (nitrile rubber gloves, chemical splash goggles, protective clothing) In case of chemical leakage or personal exposure injury, immediately follow the emergency treatment measures in the SDS and call for medical assistance as appropriate For formal complaints involving batch quality issues, retain the original packaging and at least 500g of retained sample for reference OP-30 is harmful to aquatic organisms (H402). Waste liquid and cleaning water generated during the troubleshooting process must not be discharged directly into sewers or surce waters The standard product packaging is 20kg woven bag. If damaged packaging or unclear labeling is found, first isolate the batch of product

Question 3

How to purchase OP-30 Octylphenol Polyoxyethylene Ether? What is the minimum order quantity?

Accepted Answer

OP-30 Octylphenol Polyoxyethylene Ether can be directly purchased by contacting the sales team of Haian Guoli Chemical Co., Ltd. The minimum order quantity needs to be confirmed with the sales personnel, as there is no fixed MOQ data in the database. Detailed Description OP-30 Octylphenol Polyoxyethylene Ether (CAS No.: 9036-19-5) is one of the core nonionic surctant products of Guoli Chemical. The conventional packaging is 20kg woven bag. According to the database, the price information (including unit price, wholesale price, and minimum order quantity) for this product is not directly disclosed. The remark clearly states "The above prices are for reference only. For actual prices, please contact the sales team for the latest quotation." Therefore, before bulk purchasing, it is recommended to directly contact the sales department of Guoli Chemical to obtain real-time quotes and minimum order quantity information. The purchasing process usually includes the following steps: First, contact the sales team through Guoli Chemical's official channels (website, WeChat Work, phone, etc.); Second, provide the required product specifications, quantity, and purpose, and the sales engineer will match the optimal solution and issue a formal quotation; Third, after confirming the order, sign a purchase and sales contract, and arrange production and delivery. Since OP-30 is a bulk chemical auxiliary, the minimum order quantity is usually based on full bags or minimum packaging units, and the specific threshold needs to be determined according to the real-time sales policy. Technical Parameters Parameter ItemSpecification Product NameOP-30 Octylphenol Polyoxyethylene Ether CAS No.9036-19-5 Appearance (25°C)White to slightly yellow waxy solid Ionic TypeNonionic Active Content≥99% HLB ValueApprox. 17 pH of 1% Aqueous Solution5.0~7.0 Cloud Point (°C)>100 Hydroxyl Value (mgKOH/g)35~40 Moisture≤0.5% Standard Packaging20kg woven bag Application Suggestions With its high HLB value (approx. 17) and excellent chemical stability, OP-30 is used as a key auxiliary agent in multiple industries. It is recommended for priority use in the following scenarios: Emulsion Polymerization: Used as an emulsifier for acrylate and styrene-acrylic systems. The recommended dosage is 1%~3% of the total monomer amount, producing highly stable emulsions with uniform particle size. Pesticide Formulations: Used in the preparation of emulsifiable concentrates for organophosphorus and pyrethroid pesticides, helping the active ingredient form a stable emulsion with water, enhancing efficacy. Industrial Cleaning and Metalworking: Acts as an emulsifier and lubricant in metal degreasers and water-based cutting fluids, with a wide applicable temperature range. Textile Printing and Dyeing: Used as a pretreatment penetrant and leveling agent, rapidly reducing the surce tension of the working solution and promoting uniform treatment. Precautions Safety Protection: Harmful if swallowed (H302), causes skin and eye irritation (H315, H319). When handling, be sure to wear chemical safety goggles, nitrile rubber gloves, and protective clothing, and avoid inhaling dust. Storage Conditions: Store in a cool, dry, well-ventilated warehouse, away from fire sources and strong oxidizers, and keep containers tightly closed. Melting point approx. 45~55°C, avoid high temperature storage to prevent product melting and caking. Ordering Suggestions: The actual unit price and minimum order quantity are affected by ctors such as raw material fluctuations, purchase quantity, and transportation distance. Please refer to the formal quotation issued by the Guoli Chemical sales team. For bulk purchases, you may inquire about tiered pricing or customized packaging options.

Question 4

Does OP-30 Octylphenol Polyoxyethylene Ether meet environmental requirements? Can a test report be provided?

Accepted Answer

OP-30 belongs to APEO surctants, which are harmful to aquatic organisms (H402) and ce strict environmental regulations in major global markets. Alternative solutions are recommended for international trade. Detailed Explanation OP-30 Octylphenol Polyoxyethylene Ether (CAS: 9036-19-5) is chemically classified as Alkylphenol Polyoxyethylene Ether (APEO), specifically the Octylphenol Polyoxyethylene Ether (OPEO) series. According to the safety data sheet from the Guoli Chemical product database, this product is labeled as harmful to aquatic organisms (H402), belonging to Hazardous to the Aquatic Environment - Acute Hazard Category 3. Improper handling during production, use, and disposal, leading to direct discharge into water bodies, will adversely affect the aquatic ecological environment. From a global regulatory perspective, the EU REACH regulation (EC 1907\/2006) has listed Octylphenol Polyoxyethylene Ether as a Substance of Very High Concern (SVHC), severely restricting its use, especially in consumer products like textiles and leather that may have prolonged human contact. For export-oriented enterprises, products containing OP-30 destined for the EU market must pay special attention to regulatory compliance. The domestic market in China has not yet imposed a full ban, but strict compliance with wastewater discharge standards is required to ensure effective treatment and达标排放. Regarding Test Reports According to the existing product database of Guoli Chemical, no specific environmental test reports or third-party test reports for OP-30 are currently available for direct download. To obtain complete quality test reports (COA), safety data sheets (SDS), or environmental compliance test reports for specific indicators (e.g., heavy metal content, biodegradability tests), please contact the technical support or sales department of Hai'an Guoli Chemical Co., Ltd. directly for batch test reports and environmental compliance statements as needed. Technical Parameters (Safety and Environmental) ParameterValue\/RequirementData Source GHS Hazard Classification - Aquatic EnvironmentCategory 3, H402 Harmful to aquatic organismsGuoli Chemical Safety Statement Heavy Metal Content (as Pb)≤10 mg\/kgGuoli Chemical Product Database Arsenic Content (As)≤2 mg\/kgGuoli Chemical Product Database Active Matter Content≥99%Guoli Chemical Product Database Moisture Content≤0.5%Guoli Chemical Product Database Free Alcohol≤0.2%Guoli Chemical Product Database Application Recommendations Given the environmental characteristics of OP-30, the following strategies should be considered in formulation design and process selection: Alternative Solutions for Export Products: If your end products target overseas markets with strict APEO regulations such as the EU, Japan, or South Korea, it is recommended to switch to environmentally friendly nonionic surctants such as tty Alcohol Polyoxyethylene Ether (AEO, Peregal series) or Iso-tridecyl Alcohol Ethoxylates. Guoli Chemical can provide selection and technical support for corresponding alternatives. Industrial Cleaning and Metalworking: When using OP-30 in the domestic market, equip proper wastewater treatment cilities. Use biochemical treatment or advanced oxidation processes to reduce residual concentrations in effluent, ensuring compliance with the Integrated Wastewater Discharge Standard (GB 8978). Textile Dyeing and Printing Industry: Pay attention to downstream brand restrictions on APEO. Gradually promote the establishment of APEO-free formulation systems in pretreatment and dyeing processes. Precautions Strictly prohibit direct discharge of waste liquids containing OP-30 into sewers, surce water, or groundwater systems. In case of leakage, use inert absorbent materials to contain and dispose of through qualified waste treatment agencies. Specific environmental risk assessments of this product (e.g., biodegradation rate, bioaccumulation potential) require reference to the full safety data sheet (SDS) or commissioning third-party testing institutions for specialized tests. When contacting Guoli Chemical for test reports, please specify the indicators of interest (e.g., APEO residue limits, ROHS compliance, REACH compliance statements) for more precise service.

Question 5

What advantages does OP-30 Octylphenol Polyoxyethylene Ether have compared to other similar products?

Accepted Answer

According to the technical data from Guoli Chemical, the existing product database mainly contains complete information on the OP-30 model, lacking independent data entries for other similar grades such as OP-10, making direct horizontal numerical comparison impossible. However, based on the detailed parameters of OP-30 Octylphenol Polyoxyethylene Ether in the database, I can summarize the core performance advantages of this product compared to similar ones: As a nonionic surctant with a high ethylene oxide (EO) addition number (n≈30), the core advantages of OP-30 are mainly reflected in its extremely strong hydrophilicity and excellent high-temperature chemical stability, making it particularly outstanding in specific high-temperature and high-electrolyte systems. #### 1. Extremely Strong Hydrophilicity and High HLB Value OP-30 has a long EO chain, giving it very high hydrophilicity. * **Specific Data**: Its HLB value is as high as **17**, r higher than that of general OP series products with medium and low EO numbers (e.g., the HLB value of OP-10 is usually around 13-14). * **Advantage**: This means OP-30 is an excellent oil-in-water (O/W) emulsifier and solubilizer, effectively dispersing oily substances in water to form stable aqueous solutions or emulsions. #### 2. Excellent High-Temperature Stability The long EO chain gives OP-30 a very high cloud point, preventing it from precipitating and losing efficacy at high temperatures. * **Specific Data**: The cloud point of a 1% aqueous solution is **greater than 100℃**, while that of OP-10 is usually 60-70℃. * **Advantage**: This characteristic makes OP-30 an ideal choice for high-temperature cleaning, high-temperature dyeing, oilfield thermal recovery, and other processes requiring high-temperature operation, where its surce activity is essentially unaffected. #### 3. Excellent Chemical Stability and Low Foaming Properties As a mature product series, OP-30 inherits several excellent properties in this field. * **Chemical Stability**: It maintains stable performance in acids, alkalis, and hard water, and does not form precipitates with calcium and magnesium ions. * **Foam Characteristics**: It features **low foaming**, making it especially suitable for industrial cleaning, metalworking fluids, and other scenarios requiring quick rinsing or mechanical agitation. * **Specific Data**: Its penetration force test value is >300 seconds (similar to other high-EO products, mainly for wetting and emulsification), but combined with its excellent dispersion and detergency, it is highly effective in cleaning complex soils. #### 4. Highly Focused Application Fields Due to its characteristics, OP-30 has greater advantages over similar products with medium and low EO numbers in certain specific high-end fields: * **Emulsion Polymerization**: As a key emulsifier, it provides reactive micelles for systems such as acrylates, resulting in finer particle size and higher stability of the polymer emulsion. * **High-Temperature Cleaners**: In processes requiring high-temperature operation, such as desizing and scouring in the textile industry and metal degreasing, its wetting and detergency advantages are irreplaceable. **Summary Table of Key Parameters of OP-30 Octylphenol Polyoxyethylene Ether** | Item | Parameter | Industry Significance | | :--- | :--- | :--- | | **Appearance** | White to slightly yellow solid/paste | High active content, high purity | | **Ionic Type** | Nonionic | Good compatibility, can be compounded with cations, anions, and solvents | | **HLB Value** | **17** | Extremely strong hydrophilicity, O/W emulsifier, solubilizer | | **Cloud Point (1% aqueous solution)** | **>100℃** | Excellent high-temperature stability, suitable for high-temperature processes | | **Hydroxyl Value (mgKOH/g)** | 35~40 | Can be used as a chemical synthesis raw material | | **Active Content** | ≥99% | Reduces ineffective components, improves application efficiency | | **Surce Tension (mN/m)** | About 30-32 | Effectively reduces water surce tension, enhances wettability | | **Foam Performance** | Low foam | Suitable for circulation pumping, washing, spray processes | | **Acid/Alkali/Hard Water Resistance** | Stable | Wide applicable conditions, long system life | **Application Suggestions and Precautions** * **Application Suggestions**: When using OP-30, if formulating pastes or solid cleaners, it can be directly added to water and heated to melt before compounding; if used in liquid detergents or emulsion polymerization, it is recommended to slowly add it to water under stirring. * **Precautions**: Despite its excellent performance, OP-30 is irritating to the skin and eyes (H315/H319). Protective gloves and goggles must be worn during operation. Its molecular structure is of the octylphenol type; downstream users should pay attention to relevant environmental regulations. For detailed data on other models of the OP series, it is recommended to directly contact the Technical Sales Department of Guoli Chemical to obtain comprehensive product specifications.

Question 6

How should OP-30 (Octylphenol polyoxyethylene ether) be stored? What is its shelf life?

Accepted Answer

OP-30 (Octylphenol polyoxyethylene ether) should be stored in a cool, dry, well-ventilated warehouse in a sealed manner. Under recommended storage conditions, its typical shelf life is 1-2 years. Detailed Description OP-30 (Octylphenol polyoxyethylene ether) is a nonionic surctant, appearing as a white to light yellow waxy solid or paste. The key to storage is to prevent moisture absorption, heat degradation, and contact with incompatible substances. Proper storage not only ensures product performance stability but also effectively mitigates safety risks. Regarding shelf life, there are currently no official shelf life parameters for this product in the data repository of Guoli Chemical. Based on industry practice and the chemical stability of this type of nonionic surctant, under strict compliance with the following storage conditions, OP-30 can typically be stably stored for 1 to 2 years. It is recommended to follow the "First-In, First-Out" principle and check for any changes in product appearance and performance before use. If the product exhibits noticeable color deepening, stratification, unusual odor, or other anomalies, discontinue use. The shelf life for specific batches shall be based on the product packaging label or ctory inspection report. Storage Condition Requirements Storage ElementSpecific Requirement Environmental ConditionsStore in a cool, dry, well-ventilated dedicated warehouse, away from fire, heat sources, and direct sunlight. Avoid high temperatures to prevent product softening or deterioration; avoid freezing to prevent structural damage. Container SealingKeep containers tightly closed. Reseal opened containers immediately after use to prevent moisture absorption and foreign matter entry. Temperature RecommendationIt is recommended to store at temperatures within the range specified in the product technical data sheet. OP-30 is a waxy solid/paste; storage at room temperature (15-30°C) is sufficient, avoiding extreme high or low temperatures. SegregationStore strictly separately from food, beverages, feed, and strong oxidizing agents to prevent cross-contamination or unsafe reactions. Spill PreventionThe storage area should be equipped with spill containment trays or dikes, and the floor surce should be made of impermeable material to contain any potential leaks. Application Recommendations When taking OP-30, it is recommended to use clean, dry tools to avoid introducing moisture or other impurities into the packaging container. As this product may become viscous or paste-like at low temperatures, if difficult to use in winter, the sealed package can be placed in a warm environment for slow temperature recovery (recommended not to exceed 40°C) before use. Direct heating with open flame or steam is strictly prohibited to avoid localized overheating leading to product degradation. Precautions Health Protection: Emergency eyewash stations and safety showers should be available near the storage area. Operators should be aware of the GHS hazard information for this product (H302 Harmful if swallowed, H315 Causes skin irritation, H319 Causes serious eye irritation). Environmental Protection: Prevent product leakage into sewers, surce water, or groundwater systems (H402 Harmful to aquatic life). Package Integrity: Regularly inspect the integrity of storage containers. If damage or leakage is found, immediately transfer to an intact container. Disposal: Expired or waste products should be disposed of by qualified waste treatment agencies in accordance with local environmental regulations. Do not discard indiscriminately.

Question 7

What safety precautions should be taken when using OP-30 octylphenol ethoxylate?

Accepted Answer

When using OP-30 octylphenol ethoxylate, comprehensive protection must be ensured. This product is irritating to skin/eyes, harmful if swallowed, and harmful to aquatic organisms. During operation, personal protective equipment must be strictly worn and leakage into the water environment must be avoided. Detailed explanation OP-30 octylphenol ethoxylate is a nonionic surctant. According to GHS classification criteria, its core hazards include: acute toxicity (oral) Category 4, skin corrosion/irritation Category 2, serious eye damage/eye irritation Category 2A, and hazardous to the aquatic environment - acute hazard Category 3. The corresponding hazard statements are H302 Harmful if swallowed, H315 Causes skin irritation, H319 Causes serious eye irritation, H402 Harmful to aquatic organisms. This means that no operation step should be taken lightly; it must be treated as a chemical requiring controlled management. In actual operation, personal protection is the first line of defense for safe use. Hands must be protected with certified chemical-resistant gloves (e.g., nitrile rubber gloves) and their integrity should be checked regularly; eyes/ce need chemical splash goggles or safety ce shields to prevent splash injuries; the body should wear appropriate protective clothing to avoid direct skin contact. When workplace ventilation is insufficient, suitable respiratory protection equipment should also be worn. Additionally, eating, drinking, or smoking is prohibited during operation. Hands must be thoroughly washed after operation, and contaminated clothing must be washed before reuse. Environmental protection is equally important. Since OP-30 is harmful to aquatic organisms, it is strictly forbidden to discharge leaked material into sewers, surce water, or groundwater systems. In case of leakage, immediately cover and contain with inert absorbent materials (such as sand, diatomaceous earth, or universal absorbent), then collect the absorbed waste into a sealed and labeled waste container, and rinse the spill area with plenty of water. If environmental pollution has occurred, immediately notify the local environmental protection department. Key points for safe operation Safety aspectSpecific requirements GHS hazardsH302 (Harmful if swallowed), H315 (Skin irritation), H319 (Serious eye irritation), H402 (Harmful to aquatic organisms) Respiratory protectionWear suitable respiratory protection when ventilation is insufficient Hand protectionChemical-resistant gloves (nitrile recommended), check integrity regularly Eye/ce protectionChemical splash goggles or safety ce shield Body protectionWear appropriate protective clothing to avoid skin contact Engineering controlsGood general ventilation or local exhaust, keep operations as closed as possible during transfer/sampling Storage conditionsCool, dry, well-ventilated area, away from heat sources and direct sunlight, keep container tightly closed Spill handlingContain with inert absorbent material, do not discharge into water bodies, seal and dispose after collection Emergency treatment recommendations Skin contact: Immediately remove all contaminated clothing, rinse skin thoroughly with plenty of running water and soap for at least 15 minutes. If irritation persists, seek medical attention immediately. Eye contact: Immediately separate eyelids and rinse continuously with plenty of running water or saline for at least 15 minutes, ensuring the liquid flows across the eye surce. Call for medical help or go to a hospital immediately. Inhalation: Move the person to fresh air and keep breathing unobstructed. If breathing is difficult, give oxygen immediately. If breathing stops, perform artificial respiration immediately and call for medical help. Ingestion: Rinse mouth with water immediately, do NOT induce vomiting. If the person is conscious, give a small amount of water to drink. Call for medical help or poison control center immediately, and show this safety information or label to the doctor. Firefighting: Use dry powder, carbon dioxide, alcohol-resistant foam, or water spray for firefighting, but avoid using direct water jets on molten or burning material. Firefighters must wear self-contained positive-pressure breathing apparatus and full chemical protective clothing, and extinguish fire from a safe distance upwind. Precautions Before operation, be sure to read and understand the full Safety Data Sheet (SDS). This information is only a summary of core hazards under GHS classification. Operators should receive professional training and be miliar with the hazardous characteristics of this product. Store separately away from food, beverages, feed, and strong oxidizers to prevent cross-contamination. Storage temperature should be maintained within the range specified in the product technical data sheet, avoiding high temperature or freezing. Storage areas should be equipped with spill containment trays or dikes, and floors should be made of impermeable materials. After using an opened container, reseal it immediately. Handle with care to avoid package damage and leakage.

Question 8

How to use OP-30 Octylphenol Polyoxyethylene Ether? What is the recommended dosage?

Accepted Answer

The recommended dosage of OP-30 varies greatly depending on the application area, generally 1%~10% of the total formula, and the optimal dosage needs to be determined through experimental optimization. Detailed Description OP-30 Octylphenol Polyoxyethylene Ether (CAS No.: 9036-19-5) is a nonionic surctant with a high HLB value of 17. It appears as a white to slightly yellow waxy solid (melting point approximately 45~55°C), is easily soluble in water, and has low foaming properties. Before use, it is recommended to pre-dissolve this product in warm water (40~60°C) or disperse it by stirring before adding it to the formulation system to ensure full dissolution and optimal surce activity. Due to its excellent chemical stability, it can be used in acidic, alkaline, and hard water environments, but direct contact with strong oxidizers should be avoided. With its superior emulsifying power, wetting and penetrating ability, and dispersing and detergency, OP-30 serves as a key auxiliary agent in various industrial formulations. It can be directly added as an emulsifier to oil/water phase systems or used in combination with other anionic and nonionic surctants to achieve synergistic effects. As this product is solid at room temperature, it is recommended to soften it in a warm environment before use in winter or low-temperature conditions to avoid directly adding hard lumps that may affect dissolution efficiency. Technical Parameters Parameter ItemValue AppearanceWhite to slightly yellow waxy solid Ionic TypeNonionic HLB Value17 Cloud Point>100°C Active Content≥99% pH Value (1% Aqueous Solution)5.0~7.0 Melting PointApproximately 45~55°C SolubilityEasily soluble in water Foaming CharacteristicsLow foam Acid/Alkali StabilityGood (stable in acids, alkalis, and hard water) Surce Tension (1% Aqueous Solution)Approximately 30-32 mN/m Packaging Specification20kg woven bag (Data source: Guoli Chemical Product Database) Application Recommendations The recommended dosage of OP-30 in different application fields is as follows (The following dosages are industry experience reference values; the actual optimal dosage should be determined through experiments based on the specific formulation system and process requirements.): Pesticide Emulsifier: When used to formulate emulsifiable concentrates or water-based emulsions, the recommended dosage is 2%~8% (based on the total preparation weight), which can be combined with anionic emulsifiers (such as calcium salt) to improve emulsion stability. Textile Printing and Dyeing Auxiliaries: As a component of scouring agents, penetrants, or leveling agents, the recommended dosage is 1~5 g/L (working solution concentration), providing wetting and penetrating effects in desizing, scouring, bleaching, and dyeing baths. Industrial and Household Cleaning Agents: When used in metal degreasers or hard surce cleaners, the recommended dosage is 3%~10% (based on total formulation weight); for household liquid detergents, it is typically 1%~5%. Metalworking Fluids: As an emulsifier for water-based cutting fluids and grinding fluids, the recommended dosage is 5%~15% (based on the total concentrate weight), forming a stable microemulsion with base oils. Emulsion Polymerization: When used in emulsion polymerization of monomers such as acrylates and styrene-acrylics, the recommended dosage is 1%~4% of the total monomer weight, effectively controlling latex particle size and improving mechanical stability of the emulsion. Petroleum Demulsifiers: As a component of composite demulsifiers, the recommended dosage is 20~100 ppm (relative to crude oil weight), working synergistically with other demulsifier components. Paper Deinking Agents: The recommended dosage is 0.1%~0.5% (relative to absolute dry pulp weight), promoting ink detachment and dispersion in the wastepaper deinking process. Leather Chemicals: In soaking and degreasing processes, the recommended dosage is 0.3%~1% of the hide weight, accelerating rehydration and removal of natural ts. Coatings and Inks: As a wetting and dispersing agent, the recommended dosage is 0.5%~2% of the total pigment weight, effectively preventing pigment flocculation, floating, and flooding. Precautions Dissolution Operation: OP-30 is a waxy solid at room temperature. It is recommended to pre-dissolve it by stirring in warm water (40~60°C) to make a pre-dispersion before adding to the main system; direct addition to a large production vessel may result in slow dissolution. Personal Protection: This product is harmful if swallowed (H302), causes skin irritation (H315), and causes serious eye irritation (H319). Wear chemical safety goggles and chemically resistant gloves (e.g., nitrile rubber gloves) during handling. Storage Conditions: Store in a cool, dry, well-ventilated warehouse, away from direct sunlight and high temperatures, and keep the container sealed. Melting point is approximately 45~55°C. In high summer temperatures, the product may soften and cake, which is a normal physical change and does not affect performance. Environmental Requirements: Harmful to aquatic life (H402). Do not discharge directly into water bodies; waste liquid must be properly disposed of according to local environmental regulations. Optimal Dosage Experiment: There is no uniform standard for dosage; excessive amounts may increase foaming or costs, while insufficient amounts may result in negligible effects. It is recommended to conduct a gradient dosage small-scale test before application to determine the optimal economic dosage.

Question 9

What are the main industries and processes where OP-30 octylphenol polyoxyethylene ether is applied?

Accepted Answer

OP-30 Octylphenol Polyoxyethylene Ether is widely used in nine major industries including pesticides, textiles, cleaning, metalworking, emulsion polymerization, petroleum, papermaking, leather, and coatings & inks, playing a key role as an efficient emulsifier, wetting penetrant, dispersant, and detergent. Detailed Description OP-30 (Octylphenol Polyoxyethylene Ether, CAS No.: 9036-19-5) is a high-performance nonionic surctant, appearing as a white to light yellow waxy solid or paste. Its molecular structure contains both hydrophilic and hydrophobic groups, endowing the product with excellent emulsifying power, wetting penetration, dispersing and detergent abilities, as well as outstanding chemical stability. It maintains stable performance in high-concentration acid, alkali solutions, and hard water, making it an indispensable multifunctional additive in many industrial formulations. With its high active content and excellent compatibility, this product can significantly improve the quality and production efficiency of end products. Its core functions cover four main directions: as an emulsifier, it can greatly reduce the oil-water intercial tension to form highly stable emulsions; as a wetting penetrant, it can quickly reduce the liquid surce tension and penetrate into micro-pores; as a dispersant, it prevents solid particle agglomeration through steric hindrance effects; as a detergent, it efficiently removes various oils and solid particles. The following details the specific application processes of OP-30 by industry: Application Fields and Process Details Industry Application Process/Stage Function/Role Pesticide Formulations Preparation of emulsifiable concentrates and emulsions of organophosphorus, pyrethroid, and other pesticides Nonionic emulsifier, enabling automatic dispersion into stable emulsion upon contact with water, ensuring efficacy Textile Dyeing & Finishing Desizing, scouring, bleaching, and dyeing of grey brics; softening in finishing Wetting agent, penetrant, leveling agent, promoting uniform penetration of working fluid into fibers Industrial & Household Cleaning Degreasing of metal surces, hard surce cleaning, formulation of liquid laundry detergents Utilizes detergency, emulsification, and dispersion to effectively remove oils and solid particles Metalworking Fluids Formulation of water-based cutting fluids and grinding fluids Emulsifier and lubricity component, forming stable microemulsions with base oil for cooling, lubrication, and rust prevention Emulsion Polymerization Emulsion polymerization of monomers such as acrylates, styrene-acrylic, etc. Provides micelle nucleation sites, producing polymer latex with uniform particle size and high stability; key additive for architectural coatings and adhesives Petroleum Industry Crude oil dehydration and desalting Surctant component in composite demulsifiers, reducing oil-water intercial film strength to promote droplet coalescence and separation Papermaking Industry Deinking of waste paper; felt cleaning; pitch control Wetting and emulsifying action, detaching and dispersing printing ink from fiber surces to improve pulp brightness Leather Processing Soaking, degreasing, and other wet processing stages Wetting penetrant and emulsifier, accelerating hide softening and removing natural ts, resulting in clean and soft leather Coatings & Inks Production of latex paints and printing inks Wetting and dispersing agent, adsorbing on pigment surces to prevent flocculation and floating, improving storage stability and color strength Application Recommendations The recommended use of OP-30 in formulations should be adjusted according to specific process requirements. The following are general reference suggestions: Emulsion Polymerization Systems: Recommended dosage is 1%~5% of total monomer weight. Used as a primary emulsifier or in combination with anionic emulsifiers, it can achieve narrower particle size distribution and better latex stability. Pesticide Emulsifiable Concentrates: Recommended dosage is 5%~15% of total formulation weight. When used synergistically with nonionic/anionic composite systems, it can enhance spontaneous dispersibility and long-term storage stability of the emulsion. Cleaning Agent Formulations: Recommended dosage is 2%~10% of total formulation weight. When used with alkaline additives and chelating agents, it can significantly improve the removal ability of heavy oil stains. Metalworking Fluids: Recommended dosage is 10%~20% of the base oil weight, used in combination with rust inhibitors and extreme pressure additives. Compatibility: OP-30 has good compatibility with anionic, cationic, and other nonionic surctants, and is also compatible with most inorganic salts and organic solvents, providing great flexibility for formulation design. Precautions Health Protection: Harmful if swallowed (H302). Causes skin and eye irritation (H315, H319). Wear chemical safety goggles, chemically resistant protective gloves (e.g., nitrile rubber gloves), and protective clothing during operation. Avoid inhalation of dust or mist. Environmental Protection: Harmful to aquatic organisms (H402). Do not discharge product or its waste directly into sewers, surce water, or groundwater systems. Disposal should follow local environmental regulations. Storage Requirements: Store in a cool, dry, well-ventilated warehouse away from fire, heat sources, and direct sunlight. Keep container tightly closed. Avoid high temperatures or freezing to prevent product deterioration. First Aid Measures: In case of skin contact, wash with plenty of water and soap. In case of eye contact, rinse with flowing water for at least 15 minutes and remove contact lenses. If ingested, do not induce vomiting; seek medical attention immediately. For detailed safety information, refer to the product's complete Safety Data Sheet (SDS).

Question 10

What are the physicochemical technical parameters of OP-30 octylphenol polyoxyethylene ether?

Accepted Answer

The physicochemical technical parameters of OP-30 octylphenol polyoxyethylene ether are comprehensive, covering basic physical properties, surce activity indicators, chemical indicators, and safety-related parameters. It is a typical high HLB value nonionic surctant. Detailed Description OP-30 octylphenol polyoxyethylene ether (CAS No.: 9036-19-5) is a high-purity nonionic surctant produced by Guoli Chemical. It appears as a white to slightly yellow waxy solid or paste, with a melting point of about 45-55°C. Its molecular structure is C8H17C6H4O(CH2CH2O)nH, where the number of ethylene oxide adducts n≈30, and the molecular weight is approximately 1526. The active matter content of this product is as high as ≥99%, the free alcohol content is ≤0.2%, and the batch-to-batch quality consistency is excellent. As a typical high HLB value (17) surctant, OP-30 has a cloud point greater than 100°C, is readily soluble in water, and the pH of its aqueous solution is stable between 5.0 and 7.0. Its surce tension is about 30-32 mN/m, and the critical micelle concentration (CMC) is about 0.1-0.3 mmol/L, demonstrating excellent surce activity efficiency. At the same time, this product has low foaming characteristics and maintains stable chemical performance in acids, bases, and hard water, with good alkali resistance. In terms of physicochemical testing indicators, the product's hydroxyl value is controlled within 35~40 mgKOH/g, acid value ≤0.5 mgKOH/g, saponification value ≤1 mgKOH/g, iodine value ≤1, and moisture ≤0.5%. Heavy metal content is ≤10 ppm, arsenic content ≤2 ppm, meeting the purity requirements for industrial applications. The product packaging specification is 20kg woven bag, and it should be stored in a cool, dry, and ventilated place, away from fire and heat sources. Technical Parameters Basic Physical Property Parameters Parameter ItemIndicator Value CAS No.9036-19-5 Molecular FormulaC8H17C6H4O(CH2CH2O)nH, n≈30 Molecular WeightApprox. 1526 AppearanceWhite to slightly yellow waxy solid or paste Ionic TypeNonionic Active Matter Content≥99% Melting PointApprox. 45-55°C DensityApprox. 1.06-1.07 g/cm³ Refractive IndexApprox. 1.48-1.49 Flash Point>200°C SolubilityReadily soluble in water HygroscopicityHygroscopic Surce Activity and Solution Parameters Parameter ItemIndicator Value HLB Value17 Cloud Point>100°C pH (1% aqueous solution)5.0~7.0 pH (5% aqueous solution)5.0~7.0 Surce TensionApprox. 30-32 mN/m Critical Micelle Concentration (CMC)Approx. 0.1-0.3 mmol/L Foaming PropertyLow foaming Penetration Power>300s Kinematic ViscosityApprox. 180-250 mm²/s Low Shear ViscosityApprox. 300-500 mPa·s Chemical Quality Indicators Parameter ItemIndicator Value Hydroxyl Value35~40 mgKOH/g Acid Value≤0.5 mgKOH/g Saponification Value≤1 mgKOH/g Iodine Value≤1 Amine Value≤0.1 Moisture≤0.5% Free Alcohol≤0.2% Heavy Metals (as Pb)≤10 ppm Arsenic (As)≤2 ppm Free Phosphoric AcidNone Chemical StabilityStable in acids, bases, and hard water Alkali ResistanceGood Packaging Specification Parameter ItemIndicator Value Packaging20kg woven bag</

OP-30 Octylphenol Ethoxylate

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Property	Value
CAS No.	9036-19-5
Molecular Formula	C8H17C6H4O(CH2CH2O)nH, n≈30
Appearance	White to slightly yellow
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 1526
Cloud Point	>100
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
Surface Tension	~30-32
CMC	~0.1-0.3 mmol/L
Acid Value	≤0.5
Saponification Value	≤1
Hydroxyl Value	35~40
Moisture	≤0.5
Density	~1.06-1.07
Kinematic Viscosity	~180-250
Refractive Index	~1.48-1.49
Flash Point	>200
Hygroscopicity	Hygroscopic
Chemical Stability	Stable in acid, alkali and hard water
Amine Value	≤0.1
Penetration	>300 s
Foam Property	Low foam
Alkali Resistance	Good alkali resistance
Viscosity	200~400
Melting Point	~45-55°C
Low Shear Viscosity	~300-500
Solid Content	≥99
Free Alcohol	≤0.2
Heavy Metal	≤10
Arsenic	≤2