Question 1

Is Quick Penetrant Fast T-50H harmful to the human body? Does it have an impact on the environment?

Accepted Answer

Quick Penetrant st T-50H has irritating hazards to the human body (skin and eyes), and is harmful if swallowed; it is toxic to aquatic life and must not be directly discharged into water bodies. Detailed Explanation Quick Penetrant st T-50H (dioctyl sulfosuccinate sodium salt, DOSS) belongs to anionic surctants. According to the GHS hazard classification, it has clear irritating hazards to human health. This product is classified as Skin Corrosion/Irritation Category 2 (H315: Causes skin irritation) and Serious Eye Damage/Eye Irritation Category 2 (H319: Causes serious eye irritation). Direct skin contact can cause redness, swelling, and pain; splashing into the eyes can cause severe irritation. It is harmful if swallowed and may cause gastrointestinal discomfort. In terms of acute toxicity, the oral LD₅₀ in rats is greater than 2000 mg/kg, indicating low acute toxicity, but this does not mean its health risks can be ignored. The product is non-flammable and non-explosive, with a flash point greater than 100°C (closed cup) and low physical hazards. The main risks are concentrated on direct contact and accidental ingestion. Skin and eye protection during operation are the core safety measures. Environmentally, st T-50H has clear toxicity to aquatic life, classified under GHS as Acute Aquatic Hazard Category 3 (H402: Harmful to aquatic life). The 96-hour LC₅₀ for fish is approximately 10–100 mg/L, indicating that even at low concentrations, it may be harmful to fish and other aquatic organisms. Therefore, the waste liquid of this product must not be directly discharged into sewers, rivers, lakes, or other water bodies without treatment, and must be collected and disposed of according to local environmental regulations. Technical Parameters Safety IndicatorParameter GHS Skin Corrosion/Irritation ClassificationCategory 2 (H315: Causes skin irritation) GHS Eye Damage/Irritation ClassificationCategory 2 (H319: Causes serious eye irritation) Acute Aquatic Hazard ClassificationCategory 3 (H402: Harmful to aquatic life) Rat Oral LD₅₀>2000 mg/kg Fish 96h LC₅₀Approximately 10–100 mg/L Flash Point (Closed Cup)>100°C FlammabilityNon-flammable liquid ExplosivenessNon-explosive Application Recommendations st T-50H is widely used in textile printing and dyeing, pesticide formulations, leather processing, and industrial cleaning, but operational risks must be strictly controlled during use. It is recommended that enterprises take the following measures when using this product: Engineering controls: Maintain good ventilation at the workplace, and equip local exhaust ventilation if necessary; storage areas should be equipped with spill containment trays and emergency spill response equipment. Personal protection: Operators must wear impermeable chemical protective gloves, safety goggles or ce shields, protective clothing, and thoroughly wash hands and exposed skin after operation. Waste liquid management: Establish a waste liquid collection system, entrust qualified hazardous waste treatment units for disposal, and strictly prohibit direct discharge into sewers or natural water bodies. Personnel training: Operators should receive specialized training, strictly follow operating procedures, and must not eat, drink, or smoke during operation. Precautions This product is not resistant to strong acids or strong alkalis and performs best under neutral to mild pH conditions. It is recommended to store in a cool, dry, well-ventilated warehouse, keep containers sealed, store separately from incompatible substances such as strong oxidizers and acids, and keep away from heat and ignition sources. Although the product is non-flammable, it may release irritating vapors when heated; firefighters should still wear positive-pressure self-contained breathing apparatus and full protective clothing when extinguishing fires. In case of a leak, collect the material using sand or inert absorbent, dispose of it as hazardous waste, and avoid contamination of groundwater when rinsing residues.

Question 2

What should I do if problems occur during the use of Rapid Penetrating Agent Fast T-50H? How to obtain technical support?

Accepted Answer

When encountering problems with st T-50H, first conduct a preliminary investigation based on the type of problem. If you cannot solve it yourself, promptly contact the technical support team of Haian Guoli Chemical Co., Ltd. for professional guidance. Detailed Explanation During the use of Rapid Penetrating Agent st T-50H (dioctyl sodium sulfosuccinate), common issues usually involve poor penetration effect, system turbidity or stratification, abnormal foam, and skin irritation. The first step is to systematically identify the root cause: for example, check whether the pH value of the working solution is within the neutral range of 5.0~7.0, as this product is not resistant to strong acids or strong alkalis, and extreme pH environments can cause the active ingredients to hydrolyze and lose effectiveness; also verify whether the dosage is sufficient. The recommended dosage is generally 0.1%~0.5% of the working solution (depending on the process); it is also necessary to confirm whether high water hardness may affect the dispersion effect. If the problem persists after preliminary investigation, it is recommended to record the following detailed information to help technicians quickly locate the issue: product batch number, storage conditions and duration, operating temperature and pH value, usage concentration, other auxiliaries used in combination, and a description of specific abnormal phenomena (photos or videos can be attached). Based on this information, Haian Guoli Chemical Co., Ltd. will provide targeted formulation adjustment suggestions or product replacement solutions. Regarding how to obtain official technical support: You can directly contact the business representative of Guoli Chemical through the sales channel at the time of purchase, or call the company's landline or send an email to its official email address for technical consultation. For specific contact information, technical hotline, and official website address, please refer to the product packaging label or purchase contract in your possession. There is no real-time update data available here. Technical Parameters The following are key technical indicators of st T-50H, which can be referenced during troubleshooting: ItemSpecification/Parameter AppearanceColorless to light yellow transparent liquid Active Content48%~52% pH Value (1% aqueous solution)5.0~7.0 Penetrating Power (Standard Canvas Sinking Method)<5 seconds Surce Tension≤30 mN/m Critical Micelle Concentration (CMC)0.68~1.1 g/L Ionic TypeAnionic Density1.05~1.10 g/cm³ Foam CharacteristicsLow foam Acid/Alkali StabilityResistant to acid and alkali (mild conditions), not resistant to strong acid and strong alkali Application Suggestions Textile Printing and Dyeing: If uneven dyeing occurs, check whether strong alkali residues from the pretreatment process have caused the penetrant to il; appropriately increase the dosage to 0.3%~0.8% and extend the wetting time. Pesticide Formulations: If the spray liquid exhibits poor spreading, confirm whether st T-50H is pre-diluted with a small amount of water before adding to the main liquid, avoiding direct addition to prevent uneven dispersion; the recommended dosage is 1%~5% of the total formulation. Leather Processing: If the soaking process is inefficient, check whether the water temperature is too low (recommended 25~40°C). Low temperature reduces penetration speed; appropriately raise the temperature and use mechanical agitation. Cleaning Formulations: If detergency is insufficient, it may be due to an imbalance in the ratio of st T-50H to nonionic surctants. Optimize the ratio through orthogonal experiments; typically, an anionic/nonionic ratio of 1:2~1:4 yields better results. Precautions During operation, be sure to wear chemical protective gloves and goggles to avoid direct contact with skin and eyes. In case of accidental contact, immediately rinse with plenty of water for at least 15 minutes and seek medical attention. This product is harmful to aquatic life. Do not discharge waste liquid directly into water bodies or soil; dispose of it as hazardous waste according to local regulations. Storage temperature should be kept within room temperature range, sealed and protected from light, stored separately from strong oxidizers and concentrated acids, and away from heat and ignition sources. If the product appearance shows turbidity, stratification, or precipitation, it may have deteriorated. Cease use and contact the supplier for return inspection.

Question 3

How to purchase Rapid Penetrant, Fast T-50H? What is the minimum order quantity?

Accepted Answer

The procurement of Rapid Penetrant st T-50H needs to be ordered directly through the sales team of Haian Guoli Chemical Co., Ltd. The specific minimum order quantity shall be confirmed with the sales team. Detailed Description Rapid Penetrant st T-50H (CAS: 577-11-7) is a conventional product of Guoli Chemical, with chemical name of sodium di(2-ethylhexyl) sulfosuccinate, belonging to anionic surctants. This product is widely used in textile printing and dyeing, pesticide formulations, leather processing, and industrial cleaning, and is one of the company's main products with stable supply. According to the product database of Guoli Chemical, the packaging specifications of st T-50H include 50kg plastic drums, 200kg plastic drums, and IBC totes, which can meet customer needs of different batch sizes. The product price is priced per ton (RMB/ton), but the listed price in the database is for reference only. The actual transaction price needs to be negotiated with the sales team based on order quantity, market conditions, and specific requirements. The database does not clearly specify the exact value of the minimum order quantity (MOQ). It is recommended that you directly contact the Guoli Chemical sales team to obtain the latest quotation, minimum order quantity, and delivery lead time and other detailed business terms. Recommended Ordering Process The following is the recommended procurement process: Contact the Sales Team: Get in touch with the sales representative through the official website or official contact information of Haian Guoli Chemical Co., Ltd., and describe your requirements (product name, specification, usage, application, etc.). Request a Quotation: Provide your required purchase quantity and target price range, and the sales team will provide a formal quotation based on your needs. Confirm Packaging and Transportation: Select the appropriate packaging specification (50kg/200kg drums or IBC totes) according to your usage, and confirm the logistics method and transportation cost. Sign a Contract: After both parties confirm the price, quantity, delivery date and other terms, sign a purchase and sale contract. Packaging Specifications Packaging TypeSpecificationApplicable Scenario Plastic Drum50kg/drumSmall batch trial or laboratory use Plastic Drum200kg/drumMedium batch regular procurement IBC ToteApprox. 1000kg/toteLarge batch industrial production Notes The above prices and minimum order quantities are for reference only. The actual terms shall be subject to the latest business terms provided by the sales team. st T-50H is a chemical. Before purchasing, please confirm that your unit has the relevant chemical operation or use qualifications. Transportation and storage must comply with chemical management regulations. The product should be stored in a cool, dry, and well-ventilated warehouse, avoiding direct sunlight. This product is toxic to aquatic organisms. Waste liquid after use must be treated in accordance with local environmental regulations and is strictly prohibited from being directly discharged into water bodies.

Question 4

Does the rapid penetrant, Quick T-50H, meet environmental requirements? Can a test report be provided?

Accepted Answer

Quick T-50H itself has certain toxicity to aquatic organisms and is not a non-toxic, harmless "green" product; however, its environmental compliance can be achieved through standardized use and wastewater treatment. Online test reports are not available for the time being. Detailed Description According to the safety information in the Guoli Chemical product database, the rapid penetrant Quick T-50H (dioctyl sodium sulfosuccinate) is classified under GHS hazard categories as "Acute Hazard to Aquatic Life Category 3 (H402: Harmful to aquatic life)". Its ecotoxicity data show that the 96-hour median lethal concentration (LC₅₀) for fish is approximately 10–100 mg/L, indicating a clear risk to aquatic ecosystems. It is strictly prohibited to directly discharge the product or its solution into water bodies and the environment. This definition means that Quick T-50H itself does not meet the strict "environmentally friendly product" or "non-toxic and harmless" certification standards. However, in industrial applications, environmental compliance is a process management issue: as long as enterprises strictly follow safe operating procedures during production, treat the used waste liquid as hazardous waste and hand it over to a qualified third party for disposal, and avoid direct discharge, they can meet the environmental regulations of most countries and regions. Therefore, it is an "industrial auxiliary agent that can be used in compliance", not an environmentally friendly chemical that can be discharged at will. Regarding test reports, our product database currently does not provide online downloads of SGS, MSDS, or other third-party environmental test reports. Such documents are usually provided separately by the sales or quality inspection department based on the customer's specific needs (such as RoHS, REACH, heavy metal content, etc.). According to the database parameters, the heavy metal content of this product is ≤10 mg/kg and the arsenic content is ≤2 mg/kg, which meets general industrial product requirements. However, compliance statements for specific items shall be subject to the officially issued batch report. Environmental Technical Parameters Parameter ItemValue/DescriptionData Source GHS Environmental Hazard ClassificationHarmful to aquatic life (Category 3) H402Guoli Chemical Safety Database Ecotoxicity (Fish 96h LC₅₀)Approximately 10–100 mg/LGuoli Chemical Safety Database Total Heavy Metals≤10 mg/kgGuoli Chemical Product Database Arsenic (As) Content≤2 mg/kgGuoli Chemical Product Database BiodegradabilityNo data available— Application Recommendations Given its environmental hazard characteristics, in application scenarios such as textile printing and dyeing, pesticide formulations, leather processing, and industrial cleaning, waste liquid containing Quick T-50H must be incorporated into the enterprise's overall wastewater treatment system or hazardous waste management process, and direct discharge is strictly prohibited. When used as an auxiliary agent in pesticide formulations, its environmental te must be evaluated in conjunction with the overall formulation, but the high permeability of the auxiliary agent itself also means that its pathways into natural water bodies need to be strictly controlled. How to Obtain a Test Report The product database currently does not include PDF test reports or SGS reports available for direct download. If you need official documents for environmental certification, export customs clearance, or customer audits, please contact the Sales Department or Quality Inspection Department of Haian Guoli Chemical Co., Ltd. directly, provide the required batch number and specific testing standards (such as RoHS, REACH-SVHC, Halogen, etc.), and we will apply for issuance for you.

Question 5

What are the advantages of the rapid penetrant, Quick T-50H, compared to other similar products?

Accepted Answer

According to the technical data from Guoli Chemical, the core advantages of Guoli Chemical's rapid penetrant Quick T-50H (dioctyl sodium sulfosuccinate) compared to many common or standard-grade similar products on the market lie in its outstanding penetration rate, high active content, and the consistency of quality assurance from large-scale original production. Below is a detailed comparison of advantages based on product technical parameters: ### 1. Core Performance Advantage: Extremely st Penetration Rate This is the most prominent performance feature of Quick T-50H. Its standard canvas settling time is <5 seconds, placing it at the industry's top level. * Comparison advantage: Common penetrants or low-end similar products typically have settling times of over 10 seconds or even longer. In continuous rapid textile processing or scenarios requiring instant wetting, Quick T-50H can significantly shorten process time and improve production efficiency. This is attributed to its extremely low surce tension (≤30 mN/m), allowing rapid spreading and penetration into fibers or tiny gaps. ### 2. Content and Purity Advantage: High Active Matter, Low By-products The effective content of Quick T-50H is calibrated at 48~52%, directly matching the specifications of internationally classic products (e.g., Aerosol OT-50). * Technical parameter comparison: | Indicator | Guoli Chemical Quick T-50H | Some low-end similar products on the market | | :--- | :--- | :--- | | Active content | 48~52% | Typically 40%-50%, or unstable content | | Monoester content | ≤2% | May be higher, affecting penetration performance | | Nature of active matter | Diester content ≥45% | Diester content low, poor surce activity | | Free alcohol | ≤1% | May have more residue, affecting odor and clarity | > The high diester structure and very low monoester and free alcohol residues ensure excellent penetration and wetting effects at low dosage, providing higher cost performance. ### 3. Ionic Type and Compatibility Advantage: Anionic, Low Foam, Easy to Use * Low foam property: The data clearly indicates Quick T-50H is low foam. In processes involving circulation pumping or spraying, such as industrial cleaning and textile processing, low foaming prevents foam overflow and reduces defoamer usage, offering a significant process economy advantage. Many ordinary penetrants (e.g., some nonionic penetrants like JFC type) have higher foaming. * Hard water stability: As a sodium sulfosuccinate ester, it has good chemical stability, with data showing it is hard water resistant. Compared to some soap or phosphate ester penetrants, it does not easily form calcium soap precipitates in hard water, avoiding "soap spots" on brics. * Cloud point not applicable: As an anionic surctant, it has no cloud point limitation. This differs from nonionic penetrants (e.g., isomeric alcohol ethers), which may become ineffective at high temperatures due to precipitation. Quick T-50H remains clear and active over a wide temperature range, making it more suitable for processes requiring heating (though strong acid/alkali limits should be noted). ### 4. Supply and Application Advantage: Direct Supply from Original Manucturer, Controllable Quality * Large-scale production: Guoli Chemical produces 100,000 tons of surctants annually. As a high-tech enterprise, it controls the entire process from sulfonation to esterification, ensuring batch-to-batch stability in HLB value (approximately 10.5) and penetrability (<5 seconds). This batch consistency is difficult for small compounding plants to achieve. * Complete compliance and safety data: Based on the database information, the product has complete GHS hazard classification, ecotoxicology (fish 96h LC₅₀), first aid measures, and other full documentation, cilitating downstream users in safety management and chemical compliance registration. ### Precautions Despite the significant advantages, note the following during use: Although the product is chemically stable and resistant to hard water, it is not resistant to strong acids or strong bases. In processes with extreme pH conditions, avoid using it or adjust to a neutral range using a buffer system to maintain optimal performance of its anionic activity.

Question 6

How should the quick penetrant, Fast T-50H be stored? What is its shelf life?

Accepted Answer

Quick penetrant st T-50H should be stored in a cool, dry, and well-ventilated place, sealed tightly; the shelf life under unopened conditions is typically 1–2 years (specific duration subject to product packaging labeling). Detailed Explanation The storage conditions of quick penetrant st T-50H (sodium dioctyl sulfosuccinate) directly affect its product performance and application effectiveness. This product is an anionic surctant, chemically stable under neutral and mild acid-base conditions, but not resistant to strong acids or strong bases. Therefore, controlling the storage environment is crucial to maintaining its rapid penetration and wetting properties. Regarding the shelf life, the product database does not provide a specific shelf life for this product. Generally, such anionic surctant products, when unopened and stored properly, have a shelf life of 1–2 years. It is recommended to refer to the specific shelf life indicated on the product packaging label and use it as soon as possible after opening. If the product exhibits layering, increased turbidity, significant color deepening, or unusual odor, it should be discontinued. Storage Condition Requirements Storage ctorSpecific Requirement TemperatureStore at room temperature, avoid high temperature and freezing EnvironmentCool, dry, well-ventilated warehouse LightAvoid direct sunlight SealabilityContainer must be kept sealed; reseal promptly after opening IsolationStore separately from incompatible substances such as strong oxidizing agents and acids Storage AreaEquip with spill containment pallets and emergency spill kits; keep container labels legible Mixed Storage ProhibitionsAvoid mixing storage with food, feed, etc. Application Recommendations To ensure stable product performance, it is recommended to follow the "first in, first out" inventory management principle. Before use, gently shake or stir (a small amount of sediment is normal), then sample and test key indicators such as penetration power and surce tension. Only use in production after confirming performance is acceptable. After opening, seal any unused product immediately and use it within a short period to avoid moisture absorption or contamination from prolonged exposure to air. Precautions Prevent Leakage: After opening the container, reseal it promptly to prevent leakage and volatilization, and avoid contact with external moisture and impurities. Keep Away from Heat Sources: Although the product has a flash point above 100°C (closed cup) and is not classified as a flammable liquid, it should still be kept away from heat sources, sparks, and open flames. Environmental Protection: Do not discharge the product or its solutions directly into water bodies or soil. This product is toxic to aquatic organisms (fish 96h LC₅₀ approximately 10–100 mg/L). Waste liquid must be treated in accordance with local regulations. Container Integrity: Regularly inspect storage containers for signs of damage, corrosion, or bulging. If any abnormalities are found, immediately transfer to a safe container.

Question 7

What safety precautions should be taken when using the rapid penetrant, Fast T-50H?

Accepted Answer

When using the rapid penetrant st T-50H, the core safety points are: avoid skin and eye contact, do not discharge directly into water bodies, maintain ventilation during operation, and keep away from fire sources. Product Hazard Overview The rapid penetrant st T-50H (dioctyl sodium sulfosuccinate) belongs to anionic surctants. According to GHS hazard classification, this product is categorized as skin corrosion/irritation Category 2 (H315: Causes skin irritation), serious eye damage/eye irritation Category 2 (H319: Causes serious eye irritation), and is harmful to aquatic life (H402). In terms of physical hazards, this product is a non-flammable liquid with a flash point > 100 °C (closed cup) and no explosive properties. However, it should be noted that acute toxicity data show an oral LD₅₀ in rats of > 2000 mg/kg, which may cause gastrointestinal discomfort if swallowed; the 96h LC₅₀ for fish is approximately 10–100 mg/L, which is toxic to aquatic life. It is strictly prohibited to discharge the product or its solution directly into water environments. Safe Handling Precautions When handling the rapid penetrant st T-50H, strictly follow the following guidelines: Personal protection: During operation, wear impermeable chemical protective gloves, safety glasses or ce shield, and protective clothing to avoid direct contact with skin and eyes. Ventilation requirements: The workplace should be well-ventilated, with local exhaust ventilation if necessary. Ignition source control: Keep away from heat sources, sparks, and open flames. No smoking. Use non-sparking tools. Behavioral guidelines: Do not eat, drink, or smoke during operation. Avoid swallowing and inhaling vapors or mists. Thoroughly wash hands and exposed skin after handling. Contaminated clothing should be washed before reuse. Personnel training: Operators should receive specialized training and strictly follow operating procedures. Environmental protection: Avoid release to the environment. Waste liquid must be treated in accordance with local regulations to prevent soil and water contamination. Storage Conditions Store in a cool, dry, well-ventilated warehouse, away from direct sunlight, and maintain temperature within the normal range. Containers must be kept sealed. After opening, re-seal promptly to prevent leakage and evaporation. Store separately from incompatible substances such as strong oxidizers and acids, avoiding contact (this product is not resistant to strong acid or alkali environments). The storage area should be equipped with spill containment trays, emergency spill response equipment, and fire extinguishing equipment. Keep container labels clearly legible, and do not store together with food, feed, etc.. Emergency Response Measures First Aid Measures Type of ContactTreatment Method Skin contactImmediately remove contaminated clothing and flush thoroughly with plenty of running water and soap for at least 15 minutes. If irritation symptoms occur, seek medical attention immediately. Eye contactImmediately lift eyelids and flush continuously with running water or saline solution for at least 15 minutes, and seek medical attention immediately. InhalationMove the person to fresh air and keep the airway clear. If feeling unwell or having difficulty breathing, seek medical attention immediately. IngestionRinse mouth with water or mild saline. Do NOT induce vomiting (unless instructed by medical personnel). Seek medical attention immediately and show the container or label. Fire Fighting Measures Although this product is a non-flammable liquid, it may release irritating vapors when heated. Suitable extinguishing media: water spray, alcohol-resistant foam, dry powder, or carbon dioxide. Firefighters must wear positive-pressure self-contained breathing apparatus and full protective clothing. Prevent fire-fighting water from directly entering sewers or water bodies; collect and treat before discharge. Spill Emergency Procedures Immediately evacuate unrelated personnel to a safe area and eliminate all ignition sources. For small spills, absorb with sand, vermiculite, or other inert absorbent material, collect in a sealed container and dispose of as hazardous waste; for large spills, construct dikes or pits to contain, transfer to a dedicated container using an explosion-proof pump for recovery or disposal. The spill area should be well ventilated. When rinsing residues, avoid contaminating groundwater. Special Reminders Since this product is not resistant to strong acid or alkali environments, it should be used under neutral and mild acid-base conditions to ensure optimal performance and reduce the risk of unexpected reactions. Waste liquid treatment must strictly comply with local environmental regulations and must not be discharged arbitrarily.

Question 8

How to use the rapid penetrant, Quick-T-50H? What is the recommended dosage?

Accepted Answer

Quick-T-50H is an easy water-soluble anionic surctant. It is recommended to dissolve it with a small amount of water under stirring or directly add it into the working solution for dilution. The typical dosage is 0.1%–2.0% of the total working solution weight (specific dosage depends on the industry and process). Detailed Description The rapid penetrant Quick-T-50H from Guoli Chemical (dioctyl sodium sulfosuccinate, CAS No.: 577-11-7) has an active content of 48~52%. It appears as a colorless to light yellow viscous liquid, easily soluble in water, with extremely strong penetrating power (standard canvas sedimentation method This product is not resistant to strong acids or strong alkalis. It will hydrolyze and lose effectiveness under strong acidic or alkaline conditions, so it is best used in neutral and mild acid-base environments. Meanwhile, Quick-T-50H is a low-foaming anionic surctant, which does not easily generate a large amount of foam during stirring or circulation processes, making it particularly suitable for industrial applications requiring low foam or foam control. Recommended Dosage (Industry Experience Reference) The database does not contain specific formula dosage parameters for various industries. The following are reference dosage ranges provided based on product performance characteristics and industry application experience. Users should verify the optimal dosage through small-scale trials according to actual process conditions: Application FieldRecommended Dosage (by weight of working solution)Usage Method Textile printing & dyeing pretreatment/dyeing0.1%–1.0%Add directly into the dye bath or treatment solution and stir evenly Pesticide formulation enhancement0.05%–0.5%Dilute and mix with pesticide, prepare and use immediately Leather soaking/degreasing0.2%–1.5%Add into the drum or soaking tank and circulate evenly Industrial cleaning agent formulation0.5%–3.0% (proportion in concentrate formula)Used as one of the components in cleaning agent compounding Household cleaning agent0.1%–1.0% (proportion in concentrate formula)Compound with other surctants and then dilute for use Note: The above dosages are typical empirical values in the industry. The specific dosage is affected by ctors such as the target material (fiber type, degree of soiling), water hardness, process temperature, and equipment conditions. It is recommended to determine the optimal dosage through small-scale trials first. Excessive addition may cause increased foaming or difficulty in rinsing. Usage Steps 1. Preparation Stage: Quick-T-50H is a viscous liquid (viscosity 50–200 mPa·s at 25°C). Wear chemical protective gloves, protective goggles or ce shield before operation, and ensure good ventilation at the work site. 2. Dilution Method: This product is easily soluble in water. It can be directly added slowly into the working solution under stirring, avoiding one-time dosing that may cause local high concentration. For small batch preparation, it can be pre-diluted with normal temperature water (recommended dilution temperature 15°C–40°C, not too high to avoid affecting product stability), stir thoroughly, and then add to the main system. 3. Process Control: During use, maintain the system pH in the neutral to weak alkaline range (pH 5–9), and avoid strong acidic (pH12) environments that may cause hydrolysis of the active ingredients. The working solution temperature can normally function within the range of 20°C–60°C. Precautions Safety Protection: This product is classified under GHS as Skin Irritant Category 2 and Serious Eye Irritant Category 2. It is mandatory to wear impermeable chemical protective gloves and safety goggles during operation to avoid direct contact with skin and eyes. Compatibility Issues: It should not be used together with strong oxidizers, strong acids, or strong alkalis to avoid product decomposition and loss of effectiveness. When compounded with cationic surctants, precipitation may occur. It is recommended to perform a compatibility test first to confirm stability. Environmental Protection: Toxic to aquatic organisms (96h LC₅₀ for fish approximately 10–100 mg/L). Waste liquid must not be directly discharged into water bodies or soil; it must be collected and disposed of in accordance with local regulations. Storage Requirements: Store in a sealed container in a cool, dry, and ventilated area, away from heat sources and open flames. Flash point >100°C. Although not easily flammable, it may release irritating vapors when heated. Small-Scale Verification: When raw material batches or formulations change, it is recommended to perform small-scale trials first to confirm that the penetration effect, foam control, and system stability meet requirements before proceeding with large-scale production application.

Question 9

In which industries and processes is the rapid penetrating agent, Fast T-50H, mainly used?

Accepted Answer

Rapid penetrating agent st T-50H is widely used in four major fields: textile printing and dyeing, pesticide formulations, leather processing, and industrial cleaning. With its extremely low surce tension and excellent penetration rate, it plays a key role in various process steps. Detailed Description Rapid penetrating agent st T-50H (sodium dioctyl sulfosuccinate, CAS No.: 577-11-7) is an anionic surctant. Due to its outstanding rapid penetration, excellent wetting ability, and efficient emulsifying capacity, it has become an indispensable auxiliary agent in multiple industries. Its core advantage lies in its ability to significantly reduce the solid-liquid intercial tension, allowing the treatment liquid to quickly penetrate into various fibers, porous substrates, and tiny gaps, thereby greatly improving process efficiency and product quality. This product is suitable for neutral and mild acid-base environments, but its stability decreases under strong acid or strong base conditions. Therefore, attention should be paid to the matching of acid-base conditions during formulation design and process selection. Additionally, st T-50H has moderate foaming properties, which can be utilized or controlled by defoaming methods according to practical application needs. Application Fields 1. Textile Printing and Dyeing: Used as an efficient penetrating agent in pretreatment (scouring, bleaching), dyeing, and printing processes, it promotes the uniform diffusion of dyes and auxiliaries along fibers, significantly improving dye uptake, level dyeing properties, and color fullness, while reducing dyeing defects. 2. Pesticide Formulations: As a wetting and penetrating synergist, it enhances the adhesion, spreading, and penetration of the spray liquid on plant leaves and target surces, effectively reducing liquid loss and improving pesticide utilization and control efficacy. 3. Leather Processing: Applied in wet processes such as soaking, degreasing, and tanning, it accelerates the penetration of water and chemicals into the interior of leather fibers, shortens processing time, and improves leather softness and quality uniformity. 4. Daily Chemical and Industrial Cleaning: As a component of penetration and detergency in cleaning formulations, it quickly penetrates the interce between dirt and substrate, dislodging stubborn stains, promoting stripping and dispersion, and significantly enhancing cleaning efficiency. Technical Parameters ParameterData Chemical NameSodium di(2-ethylhexyl) sulfosuccinate (DOSS) CAS No.577-11-7 Product TypeAnionic surctant AppearanceColorless to light yellow viscous liquid Acid-Base StabilityNot resistant to strong acids or bases; suitable for neutral and mild acid-base conditions Flash Point>100 °C (closed cup) Acute Oral Toxicity (Rat LD₅₀)>2000 mg/kg Fish Ecotoxicity (96h LC₅₀)Approximately 10–100 mg/L Application Recommendations Textile Printing and Dyeing: It is recommended to add at 0.1%–0.5% in the pretreatment bath or dye liquor, adjusting the dosage according to fiber type and process requirements. Pesticide Formulations: Used as a tank-mix adjuvant or in formulation, the recommended dosage is 0.05%–0.3% of the total spray liquid, which can significantly improve wetting and spreading properties. Leather Processing: Added at 0.2%–0.5% (on leather weight) in soaking and degreasing processes to effectively accelerate penetration of treatment liquids. Cleaning Formulations: Recommended at 1%–5% in the formulation; better results are achieved when compounded with anionic and nonionic surctants. Precautions This product is irritating to skin and eyes (GHS classification: Skin irritation Category 2, Eye irritation Category 2). Chemical protective gloves and goggles must be worn during operation. It is toxic to aquatic organisms (H402). Do not discharge the product or its solution directly into water bodies; waste liquid must be disposed of in accordance with local regulations. Store in a cool, dry, well-ventilated warehouse; keep containers sealed and avoid mixing with incompatible materials such as strong oxidizers and strong acids. Avoid use in strong acid or strong base systems to maintain optimal product performance.

Question 10

What are the physicochemical technical parameters of the quick-penetrating agent, Fast T-50H?

Accepted Answer

Overview of the physicochemical technical parameters of Guoli Chemical Plant's st T-50H, with core indicators including extremely low surce tension (≤30 mN/m) and excellent penetrability ( Detailed Description The quick-penetrating agent st T-50H (CAS: 577-11-7) is a high-performance anionic surctant with a chemical composition of sodium di(2-ethylhexyl) sulfosuccinate (DOSS). Its molecular formula is C20H37NaO7S, molecular weight is 444.56, and appearance is a colorless to light yellow transparent liquid. With its extremely low surce tension, this product imparts excellent quick-penetrating properties and good wettability to the system, even performing well on hydrophobic surces. The solid content and active matter content of this product are stable at 48~52%, with good formulation compatibility. Its HLB value is 10.5, providing a good balance in oil-water two-phase systems. The product has high chemical stability, with resistance to acids, alkalis, and hard water, and can be used over a wide pH range. However, it should be noted that the cloud point parameter is not applicable to the characteristics of anionic surctants. The most prominent application advantage of st T-50H lies in its efficient penetration rate. The standard canvas sedimentation test can be completed within 5 seconds, making it highly vored in industries such as textiles, pesticides, and leather. Additionally, as a low-foaming product, it can effectively avoid foam-related issues during application. Technical Parameters ItemParameter Index Ionic TypeAnionic AppearanceColorless to light yellow transparent liquid CAS Number577-11-7 Molecular FormulaC20H37NaO7S Molecular Weight444.56 Active Matter Content48~52% Solid Content48~52% Moisture48~52% pH Value5.0~7.0 (1% aqueous solution / 5% aqueous solution) HLB Value10.5 Surce Tension≤30 mN/m Critical Micelle Concentration (CMC)0.68~1.1 g/L Penetrability SolubilityEasily soluble in water Density1.05~1.10 g/cm³ Viscosity50~150 mm²/s (kinematic viscosity) / 50~200 mPa·s (low shear) Refractive Index1.350~1.400 Cloud PointNot applicable (characteristic of anionic surctants) Flash Point>100 °C (closed cup) Iodine Value Acid Value≤2.0 Saponification Value~252 Hydroxyl ValueNone Melting Point (Pure)153~157°C Foam CharacteristicsLow foaming Chemical StabilityResistant to acids, alkalis, and hard water Diester Content≥45% Monoester Content≤2% Free Alcohol≤1% Heavy Metals≤10 ppm Arsenic≤2 ppm Packaging Specifications50kg/200kg plastic drum, IBC tote Application Suggestions Based on its strong penetration and wetting performance, st T-50H is particularly suitable for industrial fields requiring accelerated liquid penetration. In textile dyeing and printing, it is used in pretreatment and dyeing processes, significantly improving dye uptake and leveling; in pesticide formulations as a wetting synergist, it enhances the spreading ability of the liquid on plant leaves; in the leather industry, it is used for soaking and degreasing, reducing processing time. In cleaning formulations, it quickly penetrates between dirt and substrates, stripping stubborn stains. For different application systems, since its active matter content is approximately 50%, gradient dilution and formulation screening are recommended to determine the optimal addition amount. When preparing aqueous emulsions or suspensions, its HLB value of 10.5 is a very valuable reference indicator. Due to its low foaming property, it is also suitable for high shear or circulating pump systems. Precautions Safety Protection: This product may cause skin and eye irritation (GHS Category 2). Wear chemical protective gloves and goggles during operation to avoid direct contact. Environmental Friendliness: Hazardous to aquatic life (fish 96h LC₅₀ approx. 10–100 mg/L). Do not discharge the product or its waste directly into water bodies. Storage Conditions: Store sealed in a cool, dry, well-ventilated warehouse, away from direct sunlight, and separate from incompatible substances such as strong oxidizers and acids. Flammability: This product is a non-flammable liquid (flash point >100 °C), but may release irritating vapors when heated; keep away from heat sources and open flames.

Quick Penetrant T-50H

Product Details

Applications

Properties

Safety

Product Overview

Performance Features

Packaging and Storage

Quick Penetrant (DOSS) Applications

Product Properties

Safety

GHS

Handling

Storage

First Aid

Related Products

Property	Value
CAS No.	577-11-7
Molecular Formula	C20H37NaO7S
Appearance	Colorless to pale yellow transparent liquid
Ionic Type	Anionic
Avg. Molecular Weight	444.56
Cloud Point	N/A (anionic surfactants)
Active Content	48~52%
pH Value(1%)	5.0~7.0
pH Value(5%)	5.0~7.0
Iodine Value	<0.5
Solubility	Readily soluble in water
Surface Tension	≤30
CMC	0.68~1.1 g/L
Acid Value	≤2.0
Saponification Value	~252
Moisture	48~52%
Density	1.05~1.10
Kinematic Viscosity	50~150
Refractive Index	1.350~1.400
Flash Point	>100 °C
Hygroscopicity	Slightly hygroscopic
Chemical Stability	Resistant to acids, alkalis and hard water
Penetration	<5 s (standard canvas disc)
Foam Property	Low foam
Alkali Resistance	Alkali resistant
Viscosity	50-200 mPa·s (25°C, 50% aq.)
Melting Point	153-157°C (pure)
Monoester Content	≤2%
Diester Content	≥45%
Low Shear Viscosity	50~200 mPa·s
Solid Content	48~52%
Free Alcohol	≤1%
Heavy Metal	≤10
Arsenic	≤2

Quick Penetrant T-50H

Product Details

Applications

Properties

Safety

Product Overview

Performance Features

Packaging and Storage

Quick Penetrant (DOSS) Applications

Product Properties

Safety

GHS

Handling

Storage

First Aid

Related Products

High-content Quick Penetrant T-75A

Quick T-70B, Quick Penetrant T, Wetting Agent OT

Quick Penetrant T-40

Quick Penetrant T-50

Quick Penetrant T-70E / Wetting Agent OT