Sodium phenolsulfonate (non-medicinal), Sodium hydroxybenzenesulfonate, THIODIGLYCOLIC ACID DIMETHYL ESTER, Monosodium phenolsulfonate, SODIUM P-PHENOSULFONATE DIHYDRATE, SODIUM SULFOCARBOLATE,DIHYDRATE, sodium hydroxybenzenesulphonate, Sodium 2-hydroxybenz, Einecs 215-087-2