Para-Toluene sulfonic acid (PTSA)

CAS No.: [6192-52-5]
Molecular formula: C7H8O3S×H2O
Molecular weight: 190.22


Appearance: white crystal powder
Monohydrate content: 95% min.
Free acid: 1.0% max.
Water (not contain crystallization water): 4% max.
Fe: 30ppm max.

Packing: 25 kg bag
Mainly used in the organic synthesis industry. And in the pharmacy, it can synthesize Doxycycline, Persantin, Naproxen and produce the intermediates of Amoxicillin, Cefadroxil.
Molecular structure: