Rapid Penetrant T (Quick T-50), with the chemical name sodium dioctyl sulfosuccinate (also known as sodium diisooctyl sulfosuccinate), is an anionic surfactant. It has numerous industry aliases, including Penetrant T, Quick T, AOT, Aerosol OT, OT Wetting Agent, etc. Quick T-50 is its general-grade 50% solution form, also known as Penetrant T-50, Rapid Penetrant T-50, etc. The product appears as a colorless to light yellow transparent viscous liquid and is positioned as a general-grade high-efficiency penetration aid in the product system of Haian Guoli Chemical Co., Ltd.
The core value of Rapid Penetrant T lies in its extremely high penetration efficiency and strong wetting and spreading ability. It can significantly reduce the surface tension of liquids, achieving instantaneous deep wetting at solid-liquid interfaces. It exhibits outstanding spreading ability on hydrophobic surfaces such as fabrics, metals, plastics, and plant leaves, eliminating the phenomenon of "spotting." At the same time, it also possesses strong emulsifying and detergency functions, effectively dispersing oils and dirt. More importantly, this product maintains excellent chemical stability in extreme environments such as strong acids, strong bases, and high-concentration electrolytes (hard water), without hydrolysis or precipitation—an advantage not found in many ordinary surfactants.
1. Textile Printing and Dyeing Auxiliary — Used as a high-efficiency penetrant and wetting agent in pretreatment, dyeing, and finishing processes. It significantly reduces the surface tension of the working solution, promotes rapid penetration of dyes and finishing agents along fiber interiors, improves dyeing rate and levelness, and reduces dyeing defects.
2. Pesticide Formulations — Used as a spreading and penetration synergist, enhancing the wetting, spreading, and penetration of the spray liquid on stems, leaves, and insect surfaces. It helps the active ingredients more easily penetrate the cuticle or body wall, exerting systemic and contact effects, thereby improving control efficacy.
3. Emulsion Polymerization — Used as an anionic emulsifier and dispersant for monomer pre-emulsification and polymerization dispersion. It effectively stabilizes monomer droplets, controls latex particle size, and improves the storage and mechanical stability of synthetic latex, widely used in emulsion systems such as synthetic resins, coatings, and adhesives.
4. Leather Processing Agent — In processes such as soaking, rewetting, degreasing, and fatliquoring, it accelerates the diffusion of water and auxiliaries into the leather fiber network, shortening processing time and imparting excellent softness and fullness to the leather.
5. Papermaking Industry Auxiliary — Used in internal sizing or surface coating treatment to enhance the uniform penetration and retention of sizing agents, fillers, and functional additives, improving the ring crush strength, water resistance, and surface printing adaptability of paper sheets.
| Parameter | Value |
|---|---|
| Product Name | Rapid Penetrant T / Quick T-50 |
| Chemical Name | Sodium dioctyl sulfosuccinate (Sodium diisooctyl sulfosuccinate) |
| CAS Number | 577-11-7 |
| Ionic Type | Anionic Surfactant |
| Appearance | Colorless to light yellow transparent viscous liquid |
| Common Aliases | Penetrant T, Quick T, AOT, Aerosol OT, OT Wetting Agent, Dioctyl sodium sulfosuccinate |