Synonyms: PTSA, 4-Toluene sulfonic acid, p-Methylbenzene sulfonic acid, 4-methyl-Benzenesulfonic acid, 4-methylbenzenesulfonic acid, 4-toluenesulfonic acid, acid p-toluenesulfonique, Tosic acid

CAS No.: 104-15-4

EINECS: 203-180-0

Molecular formula: C₇H₈O₃S

Molecular weight: 172.20

Structure Formula:

Appearance: white crystalline powder

Specifications: 99%, 97%, 95%

Packing: 25 Kg/bag

Application：PTSA is wildly used as stabilizer and catalyst in synthesis of pharmaceuticals, pesticides, polymerization. It can also be used as curing agent in pharmaceuticals, paints intermediates, resins.