P-Tolylsulfonic Acid is an organic compound with various industrial and laboratory applications:
- Catalyst: Used as a strong acid catalyst in organic synthesis, particularly in reactions like alkylation, esterification, and sulfonation.
- Chemical intermediate: Serves as a precursor in the production of other chemicals, including pharmaceuticals and dyes.
- Ion exchange resins: Used in the synthesis of ion exchange resins for water treatment and purification processes.
- Laboratory reagent: Employed in laboratory settings for various synthetic reactions and analytical purposes.
P-Tolylsulfonic Acid is mainly used as a catalyst, chemical intermediate, and reagent in organic synthesis and industrial applications.

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