(C11-C13) Branched alkylbenzenesulfonic acid, sodium salt (C11-C13)Branched alkylbenzenesulfonic acid, sodium salt 68608-89-9 Benzenesulfonic acid, mono-C11-13-branched alkyl derivs, sodium salts Benzenesulfonic acid, mono-C11-13-branched alkyl derivs., sodium salts EINECS 271-808-0