Rapid Penetrant T (chemical name: Sodium dioctyl sulfosuccinate, CAS: 577-11-7) is a highly efficient anionic surfactant, with Quick T-50 being its 50% solution form. This product has extremely strong rapid penetration ability and excellent wetting and spreading properties. However, during use, its chemical activity also implies potential risks to the human body and the environment, requiring standardized operation.
This product is classified under GHS as Skin corrosion/irritation Category 2, Serious eye damage/eye irritation Category 2A, and Acute hazard to the aquatic environment Category 3. The signal word is "Warning" and the pictogram is GHS07 (exclamation mark). This means that even in routine industrial use, safety protection requirements must not be ignored. It is worth emphasizing that Rapid Penetrant T has excellent chemical stability in strong acids, strong bases, and high-concentration electrolytes (hard water) systems, and will not hydrolyze or precipitate. However, this does not reduce its risk of irritation to the human body.
In formulation applications, the penetration efficiency of Rapid Penetrant T is extremely high, acting instantaneously at solid-liquid interfaces. Therefore, during actual use, the dosage should be precisely controlled based on specific process requirements to avoid excessive consumption and waste liquid treatment burdens caused by overuse. At the same time, its excellent emulsifying and dispersing properties mean that residual active ingredients in waste liquids may affect subsequent wastewater treatment systems. A complete waste liquid recovery and treatment process should be established.
| Protective Item | Specific Requirements |
|---|---|
| Eye Protection | Wear chemical safety goggles or full-face shield, and ensure eyewash station is available at the work site |
| Hand Protection | Wear chemical-resistant gloves (e.g., nitrile gloves) that prevent permeation |
| Body Protection | Wear chemical-resistant protective clothing |
| Respiratory Protection | Ensure adequate ventilation in the workplace, avoid inhaling vapors or mists |
| Hygiene Practices | Thoroughly wash hands and exposed skin after handling; eating, drinking, or smoking is prohibited in the work area |
| Emergency Facilities | Safety shower and eyewash station must be available in the operating area |
Immediately remove contaminated clothing and rinse skin with plenty of water and soap. If skin irritation persists, seek medical attention according to P332+P313.
Immediately rinse cautiously with plenty of water for at least several minutes. Remove contact lenses if present and easy to do, then continue rinsing. If eye irritation persists, seek medical attention according to P337+P313.
Wear full protective equipment, then contain and collect the spill with inert absorbent materials (e.g., sand, vermiculite). Place the waste into a closed container and dispose of it in accordance with local hazardous waste regulations. Do not discharge the spill directly into drains or the environment.
This product is harmful to aquatic life (H402). During production and use, strict closed systems and residue recovery devices must be established. Untreated waste liquid containing the product must not be directly discharged into public water bodies or soil.
In applications such as textile printing and dyeing, pesticide formulations, emulsion polymerization, leather processing, and papermaking, the recommended dosage of Rapid Penetrant T is usually 0.1% to 1.0% of the main working solution (specific dosage should be determined by process trials). Due to its extremely high penetration efficiency, it is recommended to start with a low dosage and conduct gradient tests to achieve the process goal at the lowest effective concentration. When used as a spreading and penetrating synergist in pesticide formulations, the dosage is generally controlled within 1% to 5% of the total formulation. Overdosing may lead to increased liquid loss or risk of phytotoxicity. When preparing, slowly add the product to water with stirring to avoid local gelation caused by one-time large addition.