... professional service. Lowest price. P-toluene sulfonic Acid SYNONYMS: P-Toluene sulfonic acid, 4-Methylbenzenesulfonic acid, 4-Toluene sulfonic acid, PTSA, p-Toluenesulfonic acid White needle or powder crystal, easily ... , easily deliquescence, easy to make cotton fabric. CAS : 104-15-4 Formula: C7H8O3S Appearance: White crystalline Specifications: 99%, 97%, 95% Packing ...