PARATOLUENE SULFONIC ACID (PTSA)
Specifications 
Chemical FormulaC7H8O3S.H2O
Molecular Weight190.2,
CAS NO6192-52-5. (Anhydrous material) 104-15-4
SynonymsMethyl Benzene Sulphonic Acid Monohydrate; Toluene Sulphonic Acid Monohydrate 4 Methyl Benzene Sulphonic Acid
Application As a hardening agent of furan resin which is applied in foundry Industry (Sand Casting).
In Plasticizers industries mainly for DEP/ DOP/ DBP – As esterification catalyst
Curing agent for resin system such as mino/phenolic/acrylic resins/resoles / epoxies / amino-Plastics and furniture lacquers.
As an anti-stress additive for electroplating baths additive, plastics, coatings, dyes, pharmaceutical intermediates, hydrotrope,
As intermediate of dye chemistry
In Butyl Acrylate manufacturing – As catalyst.
In Pharmaceutical industries is used for manufacturing of below product – As catalyst. CIPROFLOXACIN , Persantin, Naproxen DOXYCYCLIN SULPHAMETHAXAZOLE .
And produce the intermediates of Amoxicillin , Cefadroxil .