Propyl p-toluenesulfonate

Other Name:Sodium P-Toluenesulfinate Tetrahydrate; P-Toluenesulfinic Acid Sodium Salt Tetrahydrate; P-Toluene Sulfinic Acid Sodium•Tetrahydrate CAS No:824-79-3 Molecular Formula:C7H7O2SNa•4H2O Product Usage:It can be used as intermediate of pharmaceutical and dispersal dyes, and also can be used as curing agent of grouting material. Specification: Check-Point Unit Specifications Appearance -- White Crystalline Powder Purity % min 98 Loss On Drying % max 25-35 PH -- 8.5-9.0 Insoluble Matter In Water（H2O 20% Soln） -- clear & colorless Heavy Metal ppm max 20 Sulfate % max 0.2 Chloride % max 0.5 Iron ppm max 10