Linear alkyl benzene sulphonic acids (LAS) are anionic surfactants. Linear alkyl benzene sulphonic acids are a mixtures of benzene sulphonic acids containing linear alkyl chains of different lengths (C9: less than 1%, C10: 8 to 16%, C11: 26 to 38%, C12: 26 to 38%, C13: 15 to 27% and longer than C13: less than 2.5%).
5, 7th Floor, Times Square, Western Express Hwy, next to Sai Service, Andheri East