Heynova (Shanghai) New Material Technology CO., Ltd.
Heynova (Shanghai) New Material Technology CO., Ltd.
p-Toluenesulfonic acid monohydrate 6192-52-5 C7H10O4S

p-Toluenesulfonic acid monohydrate 6192-52-5 C7H10O4S

CAS No.: 6192-52-5 

Product name: p-Toluenesulfonic acid monohydrate 

Appearance: White to pink solid 

Purity(HPLC): ≥99% 

Molecular formula: C7H10O4

Molecular weight: 190.22 

Package: In Aluminum foil bag, cartons outside. 

Storage: Preserve in a well-closed container and keep in refrigerated environment.

p-Toluenesulfonic acid monohydrate 6192-52-5 C7H10O4S

Application of p-Toluenesulfonic acid monohydrate 6192-52-5 C7H10O4S


  • p-Toluenesulfonic acid monohydrate appears as a white to pinkish solid and is a strong acid. It serves as a vital organic synthesis intermediate for applications in explosives, pharmaceuticals, synthetic resins, polyethers, cosmetics, tobacco, and food products.


  • It serves as a catalyst and stabilizer in reaction units including esterification, dehydration, alkylation, dealkylation, Beckman rearrangement, polymerization, and depolymerization.


  • In pharmaceuticals, p-toluenesulfonic acid monohydrate is used to synthesize doxycycline, pentoxifylline, naproxen, and as an intermediate for producing amoxicillin and cefuroxime. Applications also extend to epoxy and amino resins, coatings, and related fields.

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p-Toluenesulfonic acid monohydrate 6192-52-5 C7H10O4S
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