4-[(Sodiooxy)sulfonyl]-1,2-benzenedicarboxylic acid 1-sodium 2-dodecyl ester salt 1,2-Benzenedicarboxylic acid, 4-sulfo-, 2-dodecyl ester, sodium salt (1:2) Einecs 268-129-7 disodium 2-dodecyl 4-sulphonatophthalate 1,2-Benzenedicarboxylic acid, 4-sulfo-, 2-dodecyl ester, disodium salt 1,2-benzenedicarboxylic acid, 4-sulfo-, 2-dodecylester, disodium salt