68411-28-9 Benzenesulfonic acid, 4-methyl-, reaction products with phenol and sulfuric acid, sodium salts Benzenesulfonic acid, 4-methyl-, reaction products with phenol andsulfuric acid, sodium salts EINECS 270-114-5 Sodium salt of diphenol sulfone, sulfonated diphenol sulfone, and sulfonated methylated diphenol sulfone