Question 1

Is the isooctanol penetrant OE-35 harmful to humans? Does it have an impact on the environment?

Accepted Answer

Isooctanol penetrant OE-35 is a low-toxicity, low-irritation substance, essentially harmless to humans; it is environmentally friendly, readily biodegradable, and not prone to persistent accumulation in the environment. Detailed Explanation Isooctanol penetrant OE-35 (CAS No: 68439-51-0) is a nonionic surctant with isomeric alcohol polyoxyethylene ether as the active ingredient. According to its Safety Data Sheet under GHS classification (7th revised edition), this product is not classified as a hazardous substance. Under normal industrial use conditions, as long as basic safe operating practices are followed, this product does not pose a significant threat to human health. In toxicological assessment, the product shows good safety: the acute oral LD50 in rats is greater than 5,000 mg/kg, indicating low toxicity; the primary skin irritation index is less than 0.5, meaning it is non-irritating to the skin; the guinea pig skin sensitization test shows no sensitization. The only point of caution is that the rabbit eye test shows mild irritation, but this irritation is fully reversible within 72 hours. Therefore, it is recommended to wear chemical safety goggles to prevent accidental splashes during operation. In terms of the environment, the ecotoxicological data of isooctanol penetrant OE-35 are excellent: the 96-hour LC50 for fish is greater than 100 mg/L, indicating low toxicity to aquatic organisms. The OECD biodegradability test shows that the product has ready biodegradability and is not prone to persistent accumulation in the natural environment, meeting the core requirements of an environmentally friendly product. Safety Data Overview Assessment ItemTest ResultConclusion GHS Hazard ClassificationNot classified as hazardousSafe Acute Oral Toxicity (Rat LD50)> 5,000 mg/kgLow toxicity Skin IrritationPrimary Irritation Index < 0.5Non-irritating Eye Irritation (Rabbit Eye)Mild irritation, reversible in 72 hRequires protection Skin Sensitization (Guinea Pig)No sensitization reactionSafe Aquatic Ecotoxicity (Fish 96h LC50)> 100 mg/LLow toxicity Biodegradability (OECD)Readily biodegradableEnvironmentally friendly Application Recommendations Given the low toxicity and low irritation properties of this product, it can be safely used in multiple fields such as textile printing and dyeing, leather chemicals, metal surce treatment, pesticide synergists, papermaking, and household chemical cleaning. When adding it to formulations, operators should still follow basic industrial hygiene practices to minimize any potential risks. Precautions Wear chemical safety goggles and nitrile gloves during operation to avoid eye contact Ensure the operating area is well-ventilated to avoid prolonged inhalation of vapors or mists If it accidentally gets into the eyes, immediately rinse with running water continuously for at least 15 minutes and seek medical attention In case of large spills, prevent the product from entering sewers, surce water, or groundwater Storage temperature should be maintained between 5–35°C, away from incompatible substances such as strong acids and strong oxidizers Although it has good biodegradability, avoid direct discharge into natural water bodies without treatment

Question 2

What should I do if problems occur during the use of isooctanol penetrant OE-35? How to obtain technical support?

Accepted Answer

If problems occur during the use of isooctanol penetrant OE-35, first determine the possible cause based on the abnormal phenomenon and troubleshoot accordingly. If the issue cannot be resolved, contact Hai'an Guoli Chemical Co., Ltd. directly for professional support. Common usage issues and troubleshooting suggestions As a nonionic surctant, isooctanol penetrant OE-35 typically encounters problems in the following areas. It is recommended to troubleshoot step by step: 1. Unsatisctory penetration effect/slower wetting speed Possible causes: ① Insufficient dosage – The penetration power parameter of isooctanol penetrant OE-35 is ≤10 seconds (measured under standard concentration). If the contact angle is still large in actual working conditions, try increasing the dosage to 0.1%~0.5% (based on working fluid weight); ② Low water temperature – At low temperatures, surctant molecular motion weakens, and penetration speed drops significantly. It is recommended to raise the treatment bath temperature to 20-40°C; ③ Electrolyte interference – Although this product has good resistance to hard water and alkali, extremely high concentrations of salts or strong alkalis may still weaken its surce activity. Try preparing a small sample with deionized water for comparison and verification. 2. Abnormally high foam OE-35 is inherently a low-foam product. If excessive foam occurs during actual use, common causes include: ① Air entrainment during pumping or stirring – Check equipment seals to avoid air suction; ② Synergistic foaming when compounded with certain anionic surctants – In this case, add a small amount of defoamer, or preferentially use low-foam anionic auxiliaries for compatibility; ③ Change in dispersion state when the usage temperature approaches the cloud point – The cloud point of this product is >100°C, so this issue does not occur under normal conditions, but if heating exceeds 80°C, pre-testing is recommended. 3. Product stratification, turbidity, or gelation The normal appearance of isooctanol penetrant OE-35 is a colorless to slightly yellow liquid, with a freezing point 4. Precipitation or turbidity after formulation compounding This product has good compatibility with nonionic, anionic, and cationic auxiliaries. If precipitation occurs, check: ① Whether the system pH exceeds the stable range of 5~7. Extreme acidic or alkaline environments may cause polyoxyethylene chain breakage; ② Whether there are high concentrations of multivalent metal ions (e.g., Ca²⁺, Mg²⁺, Fe³⁺). Pre-treat with a chelating agent if necessary; ③ Whether the addition sequence is reasonable – It is recommended to pre-mix OE-35 with an equal amount of water before slowly adding other auxiliaries. How to obtain technical support from Guoli Chemical Hai'an Guoli Chemical Co., Ltd. provides comprehensive after-sales service and technical support for isooctanol penetrant OE-35. For assistance, contact us through the following channels: Check the Safety Data Sheet (SDS): The SDS included with the product contains detailed physical and chemical parameters, toxicological data, and emergency treatment measures, serving as the primary reference. Contact Guoli Chemical Technical Department directly: Call the official customer service hotline of Guoli Chemical (it is recommended to visit the company website for the latest contact information), provide the product batch number and usage conditions, and technical engineers will provide one-on-one diagnostic services. Sample retest service: If product quality is suspected to be abnormal, Guoli Chemical can accept retained samples for retesting key indicators such as hydroxyl value (30~40 mgKOH/g), pH value (5.0~7.0), and penetration power (≤10 seconds) to help identify the root cause. Please prepare the following information before contacting To improve problem-solving efficiency, please try to collect the following data before contacting the technical team: Product batch number and production date (see the drum label) Usage concentration, working fluid temperature, and pH value Specific description of the abnormal phenomenon (photos or videos are better) Names and dosage ratios of other auxiliaries in the compounding system Storage conditions (temperature, moisture exposure, opening time) Precautions Isooctanol penetrant OE-35 is a low-toxicity substance (rat oral LD₅₀ > 5000 mg/kg), but nitrile gloves and protective goggles should still be worn during operation. If leakage or personal contact occurs during troubleshooting, immediately refer to the first aid measures in the SDS and contact the safety officer of Guoli Chemical as soon as possible.

Question 3

How to purchase isooctanol penetrant OE-35? What is the minimum order quantity?

Accepted Answer

The purchase method of isooctanol penetrant OE-35 is flexible and convenient. The minimum order quantity needs to be confirmed with the sales team of Guoli Chemical. The conventional packaging specifications are 50kg plastic drums, 200kg plastic drums, and IBC totes. Detailed Description Isooctanol penetrant OE-35 (CAS No.: 68439-51-0) is one of the core products of Hai'an County Guoli Chemical Co., Ltd. It is a nonionic surctant widely used in textile printing and dyeing, leather chemicals, metal cleaning, pesticide synergism, papermaking, and daily chemical washing industries. This product has a complete technical file in the database, and customers can purchase it directly through the Guoli Chemical sales channel. According to the system information, the product price is negotiable (the price shown in the database is for reference only; the actual price needs to contact the sales team for the latest quotation), and the price unit is usually calculated per ton. The product has various packaging specifications, including 50kg plastic drums, 200kg plastic drums, and IBC totes. Different packaging options can be selected according to the actual needs of customers, meeting various scenarios from small batch trial to large-scale industrial procurement. The database does not clearly indicate the minimum order quantity limit for this product. It is recommended to directly contact the sales department of Guoli Chemical to confirm the minimum order quantity, discount policy, and logistics plan. The sales team will provide one-on-one quotation and service support based on your order quantity, application field, and region. Basic Product Information ItemParameter Product NameIsooctanol Penetrant OE-35 CAS No.68439-51-0 AliasesIsooctanol polyoxyethylene (35) ether; 2-ethylhexanol polyoxyethylene ether; polyoxyethylene isooctyl ether Ionic TypeNonionic surctant Active Content≥99% HLB ValueApproximately 13.5 AppearanceColorless to slightly yellow liquid Penetration Power≤10 seconds Packaging Specifications50kg plastic drum / 200kg plastic drum / IBC tote Minimum Order QuantityNo parameter available, please contact sales for confirmation Unit PriceNegotiable, please contact sales for the latest quotation Purchase Process Recommendations Consultation and Communication: Contact the sales department of Hai'an County Guoli Chemical Co., Ltd., stating the required product name (isooctanol penetrant OE-35), intended purchase quantity, and end-use application field. Obtain Quotation: The sales team will provide a formal quotation based on the order quantity, packaging method, and transportation distance. Sample Testing: If needed to verify product performance first, a small sample can be requested for laboratory or scale-up evaluation. Sign Contract: After confirming price, quantity, delivery time, and payment terms, sign a purchase and sales contract. Delivery and After-Sales: Ship according to the agreed packaging and logistics plan, and Guoli Chemical provides full technical support. Precautions Store the product in a sealed container in a cool, dry, and well-ventilated place at 5–35°C, avoiding moisture or freezing. During operation, it is recommended to wear chemical safety goggles and nitrile gloves, and ensure good ventilation in the operation area. For specific safety operation guidelines and toxicological data, please refer to the Safety Data Sheet (SDS). The above price information is for reference only; the actual transaction price shall be subject to the formal quotation issued by the Guoli Chemical sales team.

Question 4

Does the isooctanol penetrant OE-35 meet environmental requirements? Can a test report be provided?

Accepted Answer

Isooctanol penetrant OE-35 fully meets environmental requirements, and multiple international standard test data can fully prove its environmentally friendly characteristics. Detailed Description Isooctanol penetrant OE-35 (CAS No. 68439-51-0) exhibits excellent environmental compliance. According to authoritative test data in the Guoli Chemical product database, this product has been verified by OECD (Organisation for Economic Co-operation and Development) standard test methods, and is readily biodegradable, meaning it does not accumulate persistently in the natural environment and will not cause long-term burden on the ecosystem. Meanwhile, the 96-hour acute toxicity test on fish shows an LC50 greater than 100 mg/L, indicating that the product has low toxicity to aquatic organisms and will not cause significant harm to the water environment under normal use and discharge conditions. From a comprehensive toxicological assessment, the acute oral toxicity (rat LD50) of this product is greater than 5,000 mg/kg, classifying it as a low-toxicity substance; the primary skin irritation index is less than 0.5, indicating no skin irritation; the rabbit eye test shows only mild irritation that is fully reversible within 72 hours; and the guinea pig skin sensitization test is negative, with no sensitization reaction. According to the GHS classification criteria (7th edition), this product is not classified as a hazardous substance and is safe for human health and the environment under standardized use conditions. In addition, the product itself does not contain heavy metals (heavy metal content ≤ 10 ppm, arsenic content ≤ 2 ppm), nor does it contain free phosphoric acid or phosphorus compounds, so it will not cause eutrophication problems in water bodies. Its low-foaming characteristics also effectively reduce the amount of rinse water used, further lowering water resource consumption and wastewater discharge load from a process perspective, in line with the current concepts of green chemistry and cleaner production. Environmental Technical Parameters Test ItemTest IndicatorData Source BiodegradabilityReadily biodegradable (OECD standard)Guoli Chemical Product Database Acute toxicity to fish (96h LC50)>100 mg/L (low toxicity)Guoli Chemical Product Database Acute oral toxicity (rat LD50)>5,000 mg/kg (low toxicity)Guoli Chemical Product Database Skin irritation (primary irritation index)<0.5 (non-irritating)Guoli Chemical Product Database Eye irritationMild irritation, reversible within 72hGuoli Chemical Product Database Skin sensitization (guinea pig test)No sensitization reactionGuoli Chemical Product Database GHS hazard classification (7th edition)Not classified as a hazardous substanceGuoli Chemical Product Database Heavy metal content≤10 ppmGuoli Chemical Product Database Arsenic content≤2 ppmGuoli Chemical Product Database Free phosphoric acidNoneGuoli Chemical Product Database Phosphorus compoundsNoneGuoli Chemical Product Database About Test Reports The Safety Data Sheet (SDS/MSDS) provided by Guoli Chemical contains the above toxicological and ecological data in detail. This SDS is compiled in accordance with international GHS standards and includes complete information such as physical and chemical properties, toxicological information, ecological information, and safe handling guidelines. If you need an official test report with a company seal or a third-party testing certification document, we recommend you directly contact Guoli Chemical's sales or technical support department. After providing the product batch number, you can obtain the corresponding COA (Certificate of Analysis) and related environmental compliance test reports such as RoHS and REACH. Each batch of products is accompanied by a quality inspection certificate upon shipment, which is traceable and verifiable. Precautions Although the product has good biodegradability, direct discharge into natural water bodies should still be avoided. Used waste liquid should be collected and treated in accordance with local environmental regulations. In case of a large spill, immediately isolate the spill area, construct dikes to contain the product, prevent it from entering sewers, surce water, or groundwater, and notify the competent authorities. For complete environmental compliance documents (e.g., REACH registration, RoHS test reports, etc.), please contact Guoli Chemical's official channels to obtain the latest valid versions.

Question 5

What are the advantages of Isooctanol Penetrant OE-35 compared to similar products?

Accepted Answer

The core advantages of Isooctanol Penetrant OE-35 over similar products lie in: excellent chemical compatibility and resistance to acid, alkali, and hard water due to its nonionic nature, low foam with high-efficiency wetting, as well as very low toxicity and outstanding environmental properties. It is a versatile penetrant that combines high performance with high safety. Detailed Explanation Compared to common anionic penetrants on the market (such as the sodium dioctyl sulfosuccinate series of st penetrants T), Isooctanol Penetrant OE-35 is a nonionic surctant. This fundamental difference gives it unique formulation advantages. It can coexist stably with anionic, cationic, and nonionic auxiliaries over a wide pH range, without precipitation or ilure caused by ionic charge conflicts. This is particularly prominent in strong acid or strong alkaline metal cleaning and textile pretreatment processes. In contrast, anionic penetrants are prone to antagonistic reactions in cationic systems or in the presence of polyvalent metal ions, limiting their formulation flexibility. Isooctanol Penetrant OE-35 is significantly distinguished from traditional penetrants by its low foam characteristic. Its cloud point is above 100°C, surce tension is about 30 mN\/m, and penetration power is ≤10 seconds. It maintains rapid wetting ability from room temperature to high temperatures while exhibiting a low foam tendency. This not only reduces interference of foam with mechanical operation but also greatly reduces subsequent rinsing water consumption and costs. This advantage is particularly critical in foam-sensitive scenarios such as continuous textile pretreatment and metal spray cleaning. In terms of safety and environmental dimensions, Isooctanol Penetrant OE-35 has obvious advantages in human and environmental safety. Its acute oral toxicity (rat LD50 > 5,000 mg\/kg) is classified as low toxicity, non-irritating to skin, eye irritation can fully reverse within 72 hours, and it is verified to be readily biodegradable by OECD tests. In comparison, although some penetrants (such as anionic st penetrant T series) have outstanding penetrating power, their dioctyl sulfosuccinate component may require stricter control regarding inhalation risks or aquatic toxicity. The comprehensive safety data of Isooctanol Penetrant OE-35 makes it an ideal choice to meet increasingly stringent environmental regulations and the trend of green chemicals. Technical Parameters ParameterIsooctanol Penetrant OE-35Reference for Typical Similar Products (Anionic st Penetrant T Series)Advantage Interpretation Ionic TypeNonionicAnionicWider formulation compatibility, not limited by ionic charges HLB ValueApprox. 13.5Not availableModerate hydrophilicity, combining wetting and emulsifying capability Cloud Point (°C)>100Not availableWide applicable temperature range, no precipitation at high temperature Penetration Power (seconds)≤10Known for st penetrationEqually excellent, meeting high-speed process requirements Foam CharacteristicsLow foamHigher foamReduces rinsing costs, suitable for spray and continuous processes Alkali ResistanceGoodGoodLittle difference, both suitable for conventional alkali treatment Surce Tension (mN\/m)Approx. 30Very low (typical value approx. 26-28)Slightly higher than anionic type, but can be further reduced by formulation pH Value (1% aqueous solution)5.0~7.0Approx. 5.0~7.0Both near neutral, user-friendly Acute Oral Toxicity (rat LD50)>5,000 mg\/kgApprox. 2,000~5,000 mg\/kgLower toxicity, better safety Skin IrritationNon-irritatingMild to moderate irritationSafer handling, lower occupational health risk BiodegradabilityReadily biodegradableBiodegradableMore explicit environmental friendliness Note: Data for similar products are based on general industry knowledge; some parameters are not provided in the Guoli Chemical database and are marked as "Not available" or refer to general levels. Application Suggestions With its balanced comprehensive performance, Isooctanol Penetrant OE-35 is especially recommended for the following scenarios that require high safety, formulation compatibility, and foam control: Textile Dyeing and Printing Pretreatment: As a wetting agent for desizing, scouring, and bleaching, it can coexist stably with caustic soda and hydrogen peroxide, enhancing capillary effect with low foam and easy rinsing. Recommended dosage: 0.1%~0.5% of the working solution. Metal Surce Spray Cleaning: Used with acidic or alkaline cleaners, it spreads rapidly on metal micropores, and its low foam characteristic ensures stable operation of the spray system. Recommended dosage: 0.2%~1.0% of bath volume. Pesticide Synergistic Adjuvant: As a spray adjuvant or tank-mix synergist, it significantly reduces the surce tension of the spray liquid, improving leaf wetting, spreading, and penetration absorption. Recommended dosage: 0.05%~0.2% of the spray solution. Household Hard Surce Cleaners: Imparts the formulation with the ability to quickly penetrate and break down grease, suitable for low-foam kitchen cleaners or floor cleaners. Recommended dosage: 1.0%~3.0% of total formulation. Leather Soaking and Degreasing: Efficiently emulsifies and removes natural sebum while being very mild on the leather surce, suitable for high-end leather processing. Precautions Isooctanol Penetrant OE-35 is hygroscopic. The container must be sealed immediately after use and stored in a dry, cool, and ventilated place (5~35°C). Although the product is low-foaming, it is recommended to verify foam height through small-scale tests in high-concentration or high-pressure spray systems. If necessary, use a small amount of silicone defoamer in combination. When mixing with strong oxidizers (such as concentrated hydrogen peroxide), strong acids, or strong alkalis, they should be mixed in diluted state. Do not mix directly at high concentrations to avoid uncontrolled reactions. It is recommended to wear chemical safety goggles and nitrile gloves during operation. In case of eye contact, immediately rinse with flowing clean water for at least 15 minutes and seek medical attention promptly.

Question 6

How to store Isooctanol Penetrant OE-35? What is its shelf life?

Accepted Answer

Isooctanol Penetrant OE-35 should be stored sealed in a cool, dry place at 5–35°C. Its shelf life has no clear parameters in the product database, but such nonionic surctants under recommended conditions can usually be stably stored for 12–24 months. Detailed Storage Conditions Isooctanol Penetrant OE-35 (CAS No.: 68439-51-0) is a nonionic surctant with isooctanol polyoxyethylene ether as the active ingredient. It is hygroscopic and has a melting point below -10°C. To ensure stable product quality, the following storage requirements must be strictly followed: The ambient temperature should be controlled within 5–35°C, away from fire, heat sources, and direct sunlight. The warehouse should be kept dry, cool, and well-ventilated. After opening, the product must be resealed immediately to avoid prolonged exposure to humid air leading to moisture absorption and deterioration. Additionally, protect from freezing under extremely low temperatures. The packaging materials are 50kg plastic drums, 200kg plastic drums, or IBC totes. It should be kept in original sealed condition. This product has good chemical stability (stable under normal conditions), but must be stored separately from incompatible substances such as strong acids and strong oxidizers to prevent accidental reactions. It is recommended to equip the storage area with leak-proof trays or secondary containment. Empty containers should also be disposed of properly. Technical Parameters Parameter NameParameter ValueRemarks AppearanceColorless to slightly yellowLiquid pH value (1% aqueous solution)5.0~7.0Nearly neutral, non-corrosive to packaging materials pH value (5% aqueous solution)5.0~7.0 Moisture content≤0.5%Low moisture ensures storage stability Melting point<-10°CNot easy to freeze or solidify even at low temperature Flash point>200°CHigh flash point, not flammable at room temperature HygroscopicityHygroscopicMust be sealed to protect from moisture Chemical stabilityStable under normal conditionsNo decomposition under normal storage Shelf Life Description The product database of Guoli Chemical has not yet provided the exact shelf life data for Isooctanol Penetrant OE-35. According to industry common practice, such nonionic surctants (tty alcohol polyoxyethylene ethers) under recommended storage conditions (sealed, protected from light, 5–35°C) can usually be stably stored for more than 12 months, and some products can maintain qualified performance for up to 24 months. The actual shelf life is affected by various ctors such as transportation process, storage temperature fluctuations, container sealing, etc. To ensure the effectiveness, it is recommended that users: Follow the first-in-first-out inventory management principle, prioritize using earlier batches Use opened product within 6 months after opening Before use after long-term storage, sample and test key indicators (such as penetrating power, pH value, appearance uniformity, etc.) Contact the Guoli Chemical technical team for batch-specific quality assurance period Precautions This product is non-toxic, non-irritating to skin, not classified as dangerous chemical, but should still be stored out of reach of children and unrelated personnel Ambient temperature should not exceed 35°C; high temperature may cause gradual darkening of the product color (although it does not affect function, the appearance index may exceed the ctory standard) If the product shows stratification, turbidity, or abnormal color deepening, discontinue use and contact the supplier to confirm quality Dispose of waste products according to local regulations. This product has good biodegradability but should not be discharged directly into water bodies

Question 7

What safety precautions should be taken when using Isooctanol Penetrant OE-35?

Accepted Answer

Isooctanol Penetrant OE-35 is generally a low-toxicity, non-irritating, non-sensitizing non-hazardous substance, but basic safety protection practices should still be followed during handling to avoid eye contact and ingestion, with attention to ventilation and storage conditions. Detailed Explanation Isooctanol Penetrant OE-35 (CAS: 68439-51-0) is a nonionic surctant with iso-alcohol polyoxyethylene ether as the active ingredient. From a toxicological perspective, its safety performance is good: the rat acute oral LD50 is greater than 5,000 mg/kg, indicating low toxicity; the primary skin irritation index is less than 0.5, showing no irritation to skin; guinea pig tests show no sensitization. OECD biodegradability tests indicate that this product can be rapidly biodegraded and does not persist in the environment. The fish 96-hour LC50 is greater than 100 mg/L, indicating low toxicity to aquatic organisms. Although the overall safety is high, eye contact with this product may cause mild irritation (rabbit eye tests show complete reversibility within 72 hours), so eye protection should be a priority during handling. Additionally, inhalation of vapors or mists may cause respiratory discomfort, and ingestion requires immediate medical attention. Combustion products from fire may include carbon monoxide and irritating vapors, so firefighters need full protective gear. Operational Safety Guidelines When using Isooctanol Penetrant OE-35, the following safety operating requirements should be followed: Personal protection: Wear chemical safety goggles and nitrile gloves to prevent accidental splashes. Do not eat, drink, or smoke during operation. Ventilation requirements: Ensure the working area is well-ventilated to avoid inhaling vapors or mists. If ventilation is insufficient, use local exhaust ventilation. Post-operation cleaning: Thoroughly wash hands with soap and running water immediately after operation, and clean exposed skin areas. Store work clothes separately and wash them regularly to keep them clean. Strictly avoid: Contact with eyes and skin, and ingestion. Storage Conditions Store in a cool, dry, well-ventilated dedicated warehouse, maintaining an ambient temperature of 5–35°C. Keep containers tightly sealed, and store away from sources of ignition, heat, and direct sunlight to prevent deterioration. Store separately from incompatible substances such as strong acids and strong oxidizers to avoid reactions. The storage area should be equipped with spill containment pallets or secondary containment. Empty containers may contain residues and should also be handled safely. After each use, seal the container promptly to avoid prolonged exposure to humid air or extreme low temperatures, which may cause moisture absorption or freezing. Emergency Response Measures Spill Handling Small spill: Cover and absorb with inert materials such as sand, vermiculite, or universal absorbents. Collect into dedicated waste containers and dispose of according to local regulations. Large spill: Immediately isolate the spill area, construct dikes or pits to contain the spill, use foam to suppress vapor, and prevent the product from entering sewers, surce water, or groundwater. Notify authorities and use explosion-proof pumps to transfer to recovery containers. First Aid Measures Type of ExposureFirst Aid Measures Skin contactImmediately remove contaminated clothing and thoroughly rinse the affected area with plenty of running water and soap for at least 10 minutes. If irritation persists, seek medical attention. Eye contactImmediately open eyelids and rinse continuously with low-pressure running water or saline for at least 15 minutes. Remove contact lenses if easily removable and promptly seek medical examination. InhalationMove the person to fresh air quickly, keep the airway open and warm. If respiratory irritation or discomfort occurs, seek immediate medical attention. IngestionRinse mouth with water immediately and do not induce vomiting. If the person is conscious, give small amounts of water to dilute. Seek medical attention as soon as possible and present this safety sheet. Firefighting Measures Suitable extinguishing media: water spray, alcohol-resistant foam, carbon dioxide, dry powder. Avoid using direct water streams to prevent splashing. Firefighters must wear self-contained positive pressure breathing apparatus and full protective clothing, and operate from a safe distance. Fire products may include carbon monoxide and irritating vapors, requiring strict protection. Application Recommendations In applications such as textile printing and dyeing, leather chemicals, metal surce treatment, pesticide synergists, paper industry, and daily chemical washing, Isooctanol Penetrant OE-35 features low foam, acid and alkali resistance, and hard water resistance. It is recommended to add an appropriate amount based on process requirements. It has good compatibility with nonionic, anionic, and cationic auxiliaries during compounding, and can serve as a synergistic component to enhance spreading and penetrating ability. For more detailed safety operating guidelines, acute toxicity data, and ecotoxicological indicators, please refer to the product's Safety Data Sheet (SDS).

Question 8

How to use Isooctanol Penetrant OE-35? What is the recommended dosage?

Accepted Answer

The use of Isooctanol Penetrant OE-35 should be flexibly adjusted according to different application fields. The product database does not provide a unified fixed dosage, but based on its critical micelle concentration (CMC 0.01~0.1) and penetrating power (≤10 seconds) and other technical parameters, it is generally recommended to start trial within the working solution concentration range of 0.1%~0.5%. Detailed Description Isooctanol Penetrant OE-35 (CAS: 68439-51-0) is a nonionic surctant with isooctyl alcohol polyoxyethylene (35) ether as the active ingredient. It has an HLB value of 13.5, is easily soluble in water, and its 1% aqueous solution pH is 5.0~7.0. It exhibits excellent acid, alkali, and hard water resistance. This product can be used at both room temperature and elevated temperatures, simply by adding it directly to the aqueous phase and stirring to dissolve. As a penetration enhancing component, it is usually used in combination with other auxiliaries and has good compounding synergy with nonionic, anionic, and cationic surctants. In practical operation, it is recommended to pre-disperse OE-35 with a small amount of warm water (or directly stir it into water) before adding it to the main working solution system. For continuous processes (e.g., textile continuous pretreatment), it can be added online via a metering pump; for batch processes (e.g., leather drum soaking), it can be added in one go at the initial stage. The product's low foam characteristic makes it suitable for high-speed mechanical stirring and circulating spray systems, as it does not generate excessive foam that interferes with operation. It should be noted that Goli Chemical product database does not have specific recommended dosage data for various application fields. The dosage ranges in the following "Application Suggestions" are general chemical knowledge reference values based on the product's physicochemical properties (CMC value 0.01~0.1, active ingredient ≥99%). Users should determine the optimal dosage through small-scale tests based on their own formulation systems, substrate characteristics, and process conditions. Technical Parameters Parameter ItemTechnical IndicatorDescription Ionic TypeNonionicBroad compatibility, unaffected by water hardness AppearanceColorless to slightly yellowLiquid, easy to flow Active Content≥99%High concentration active substance HLB Value13.5Strong hydrophilicity, suitable for water-based systems pH of 1% Aqueous Solution5.0~7.0Near neutral, mild and does not damage substrates Cloud Point>100℃Good high temperature stability Penetrating Power≤10 secondsUltra-st penetration, instant wetting Critical Micelle Concentration (CMC)0.01~0.1Efficient surce activity achieved at low concentration Surce Tension (25℃, 1% Aqueous Solution)Approx. 30 mN/mSignificantly reduces water surce tension Foam CharacteristicsLow foamSuitable for spray and circulating systems Alkali Resistance StabilityGoodRemains stable under different pH conditions Application Suggestions Textile Dyeing and Finishing Pretreatment (Desizing/Scouring/Bleaching): Add as a penetrant directly to the pretreatment bath. Recommended starting dosage is 0.1%~0.3% of the working solution. When used with alkali and hydrogen peroxide, it can significantly improve capillary effect and whiteness. The specific dosage should be adjusted through trials based on the type of bric (cotton, linen, blended) and process conditions (temperature, time, liquor ratio). Leather Chemicals (Soaking/Degreasing): Recommended dosage is 0.3%~0.5% based on the weight of leather. In the soaking process, it helps water quickly penetrate into the leather fibers, shortening rewetting time; in the degreasing process, it works with surctants to effectively emulsify natural leather ts. Metal Surce Cleaning Agent Formulation: Recommended dosage is 0.2%~0.5% of the total formulation weight. Use with alkaline agents or acid cleaning solutions. It can be used as a single penetration component or compounded with other nonionic surctants. Pesticide Synergistic Adjuvant: Recommended addition amount is 0.1%~0.3% of the total formulation. It can significantly reduce the surce tension of the spray liquid and improve spreading and wetting ability on hydrophobic leaf surces. The specific dosage should be validated based on different pesticide active ingredients and target crops. Household Detergents and Industrial Cleaning: In laundry liquids or hard surce cleaners, a recommended dosage of 0.1%~0.3% can shorten soaking time and enhance penetration and stripping effect on heavy oil stains. The above dosage ranges are derived from the product's CMC value (0.01~0.1) and penetrating power (≤10 seconds) and other technical data as general chemical knowledge reference values. Users must conduct small-scale tests before mass production to determine the optimal addition ratio suitable for specific formulations and processes. Precautions The product is hygroscopic; seal the container immediately after each use to avoid prolonged exposure to humid air. Wear chemical safety goggles and nitrile gloves during operation, and ensure good ventilation in the working area. May cause mild eye irritation. In case of eye contact, rinse immediately with flowing water for at least 15 minutes and seek medical attention. The product is not classified as a hazardous substance, but avoid direct discharge into water bodies; undiluted waste liquid should be treated according to local regulations.

Question 9

In which industries and processes is isooctanol penetrant OE-35 mainly used?

Accepted Answer

Isooctanol penetrant OE-35 is a non-ionic surctant with isomeric alcohol polyoxyethylene ether as the active ingredient, widely used in six major industries including textile printing and dyeing, leather chemicals, metal surce treatment, pesticide synergism, papermaking, and daily chemical cleaning. It covers more than ten key processes such as desizing, scouring, degreasing, pickling, and application synergism. Detailed Description Isooctanol penetrant OE-35 (CAS number: 68439-51-0), with its extremely st wetting and penetrating ability, excellent resistance to acids, alkalis, and hard water, and low-foaming, easy-rinsing characteristics, has become an efficient auxiliary agent in industrial pretreatment and cleaning fields. Its core mechanism lies in significantly reducing the surce tension of the working solution, quickly wetting various solid surces such as fibers, leather, and metal upon contact, and effectively carrying active ingredients into micropores and gaps, thereby greatly shortening process time and improving treatment uniformity. Another major advantage of this product is its wide chemical compatibility: it has good compounding synergy with non-ionic, anionic, and cationic auxiliaries, and can be used as a synergistic component to enhance the spreading and adsorption capacity of the formulation. At the same time, its low toxicity, non-irritating nature to the skin, and good biodegradability give it significant compliance advantages in industrial environments with increasingly strict environmental requirements. Detailed Overview of Industry and Process Applications Application IndustryMain Process/StageFunction and Effect Textile Printing and Dyeing Desizing, scouring, bleaching, mercerizing, and carbonizing pretreatment processes Quickly wet fibers and penetrate deep into the bric, helping to remove sizing agents, waxes, and natural impurities, improving capillary effect and whiteness, laying a uniform foundation for subsequent dyeing and printing Leather Chemicals Soaking, degreasing, tanning, and other wet processing stages Accelerate the migration of water and chemicals into the deep layers of leather fibers, efficiently emulsify and remove natural ts, maintain fine grain, and improve leather softness and yield Metal Surce Treatment Pickling, alkaline cleaning, deep cleaning of precision parts Quickly spread over micropores and gaps on metal surces, driving cleaning agents to penetrate under cutting fluids, rust preventatives, and carbon deposits, achieving rapid stripping and cleaning Pesticide Synergism Formulation of suspension concentrates, soluble concentrates, etc., field application Significantly reduce the surce tension of the spray solution, promote rapid spreading and penetration on hydrophobic leaf surces, reduce loss through runoff and evaporation, and increase the deposition and systemic translocation efficiency of active ingredients Papermaking Industry Pulping and cooking, deinking, sizing, coating, resin control Promote rapid penetration of chemical solutions into fiber cell walls, accelerate reactions or dispersion, improve bleaching efficiency, sizing uniformity, and coating adhesion, enhance paper physical strength Daily Chemical and Industrial Cleaning Formulation of laundry detergents, hard surce cleaners, heavy-duty degreasers Help active cleaning ingredients penetrate the interce between dirt and substrate, break down stubborn stains, shorten soaking time, enhance deep cleaning effect, and save water and electricity Application Recommendations Recommended application methods in different processes: Textile pretreatment: Recommended for use in desizing and scouring baths combined with alkali agents and chelating agents. Its low-foaming property allows stable operation in high-speed equipment, reducing the risk of foam overflow. Leather soaking/degreasing: Can be compounded with non-ionic or anionic degreasing agents, still exhibiting excellent degreasing performance at low temperatures, helping to save energy and reduce consumption. Metal cleaning: Used in combination with pickling or alkaline cleaning systems, especially suitable for deep cleaning of precision parts, effectively removing stubborn oil and carbon deposits. Pesticide formulations: As a tank-mix synergistic adjuvant or built-in formulation component, it is recommended to adjust the dosage according to the spray solution system to achieve optimal spreading effect. Precautions Storage temperature is recommended to be maintained at 5–35°C. The container should be sealed immediately after use to avoid prolonged exposure to humid air or extremely low temperatures to prevent moisture absorption or freezing. It is recommended to wear chemical safety goggles and nitrile gloves during operation, ensuring good ventilation in the operating area. Low-foaming characteristics do not mean completely foam-free. Under specific temperature and stirring conditions, foam may still be generated. Pre-testing is recommended when compounding. Avoid mixing storage with incompatible substances such as strong acids and strong oxidizers.

Question 10

What are the physicochemical technical parameters of the isooctanol penetrant OE-35?

Accepted Answer

Isooctanol penetrant OE-35 is a nonionic surctant with an HLB value of about 13.5, penetration power ≤10 seconds, cloud point >100°C, active content ≥99%, and excellent overall physicochemical properties, suitable for efficient penetration and wetting requirements in multiple fields. Detailed Description Isooctanol penetrant OE-35 (CAS No.: 68439-51-0), chemical name isooctanol polyoxyethylene (35) ether, is a nonionic surctant starting from isooctanol with an ethylene oxide addition number of about 35. This product appears as a colorless to slightly yellow liquid or paste, with a melting point The core performance indicators of this product include: HLB value of 13.5, belonging to a highly hydrophilic surctant; cloud point >100°C, maintaining good solubility and surce activity in high-temperature aqueous systems; surce tension about 30 mN/m; critical micelle concentration (CMC) in the range of 0.01~0.1 g/L, indicating it can effectively reduce intercial tension at very low concentrations; penetration power (standard canvas sedimentation method) ≤10 seconds, reflecting its rapid penetration and wetting ability. In addition, the hydroxyl value is between 30~40 mgKOH/g, moisture content ≤0.5%, acid value, iodine value, and saponification value are all ≤1, indicating high purity and few by-products. Technical Parameters The following are the main physicochemical technical parameters of isooctanol penetrant OE-35 (data source: Guoli Chemical Product Database). Basic Physical Properties Parameter ItemIndicator ValueUnit/Description Chemical NameIsooctanol polyoxyethylene (35) etherAlias: 2-ethylhexanol polyoxyethylene ether CAS No.68439-51-0— Molecular FormulaC8H17O(C2H4O)nH, n=35— Molecular WeightApprox. 1670— Ionic TypeNonionic— AppearanceColorless to slightly yellowLiquid or paste Color (APHA)Approx. 130— DensityApprox. 1.06g/cm³ Melting Point<-10°C Refractive IndexApprox. 1.457— Flash Point>200°C Surce Activity and Performance Parameters Parameter ItemIndicator ValueUnit/Description HLB Value13.5Strongly hydrophilic Cloud Point>100°C Surce TensionApprox. 30mN/m Critical Micelle Concentration (CMC)0.01~0.1g/L Penetration Power≤10Seconds (standard canvas sedimentation method) Foaming CharacteristicsLow foam— Alkali ResistanceGood— SolubilityEasily soluble in water— HygroscopicityHygroscopic— Chemical Index Parameters Parameter ItemIndicator ValueUnit/Description Active Content≥99% Solid Content≥99% Moisture≤0.5% pH Value (1% Aqueous Solution)5.0~7.0— pH Value (5% Aqueous Solution)5.0~7.0— Hydroxyl Value30~40mgKOH/g Acid Value≤1mgKOH/g Iodine Value≤1gI2/100g Saponification Value≤1mgKOH/g Amine Value≤0.5mgKOH/g Tertiary Amine Content≤0.1% Free Alcohol≤1% UnsaturationNone— Free Phosphoric AcidNone— Monoester/Diester ContentNone— Combined PhosphorusNone— Viscosity and Safety/Environmental Parameters Parameter ItemIndicator ValueUnit/Description Kinematic ViscosityApprox. 120mPa·s Low Shear ViscosityApprox. 150mPa·s Chemical StabilityStable under normal conditions<

Isooctanol Penetrant OE-35

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Property	Value
CAS No.	68439-51-0
Molecular Formula	C8H17O(C2H4O)nH, n=35
Appearance	Colorless to slightly yellow
Ionic Type	Nonionic
Avg. Molecular Weight	Approx. 1670
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
CMC	0.01~0.1
Acid Value	≤1
Saponification Value	≤1
Hydroxyl Value	30~40
Moisture	≤0.5
Density	~1.06
Kinematic Viscosity	~120
Refractive Index	~1.457
Flash Point	>200
Hygroscopicity	Hygroscopic
Chemical Stability	Stable under normal conditions
Amine Value	≤0.5
Tertiary Amine Content	≤0.1
Penetration	≤10 s
Foam Property	Low foam
Alkali Resistance	Good
Viscosity	~130
Melting Point	<-10
Low Shear Viscosity	~150
Solid Content	≥99
Free Alcohol	≤1
Heavy Metal	≤10
Arsenic	≤2

Isooctanol Penetrant OE-35

Product Details

Applications

Properties

Safety

Product Overview

Performance Features

Packaging and Storage

Penetrant/JFC Applications

Product Properties

Safety

GHS

Handling

Storage

First Aid

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