Disodium lauryl sulfosuccinate

Disodium lauryl sulfosuccinate, also known as DLS or by the trade name AK-201A, is an anionic surfactant with CAS number 19040-44-9. It carries no assigned E-code. Its molecular structure combines a lauryl chain with a sulfosuccinate group, giving it both hydrophilic and lipophilic character.

In personal care formulations, DLS functions as a mild cleansing and foaming agent by reducing interfacial tension between oils and water, making it suitable for shampoos and skin cleansers where irritation potential must be minimized. In textile and leather processing, it supports emulsification of treatment baths and assists in uniform dye penetration across fiber surfaces.

Disodium lauryl sulfosuccinate is supplied in compliance with REACH regulations for the European market. Procurement teams should confirm available grades and packaging formats directly with the supplier, as specifications may vary by production batch. Documentation including safety data sheets and certificates of analysis is available on request.