PARA-TOLUENE SULFONIC ACID Chemical compatibility with O-rings, rubbers, & plastics

Para-toluene sulfonic acid (p-TSA) is an aromatic sulfonic acid with the chemical formula C7H8O3S. It is a white crystalline solid used as a catalyst in organic synthesis, particularly in esterification, alkylation, and polymerization reactions. p-TSA is valued for its strong acidity and solubility in organic solvents. It is also employed in the production of resins, pharmaceuticals, and dyes. Handling requires caution due to its corrosive nature and potential health hazards, including skin and respiratory irritation. Proper storage and safety measures are essential to prevent exposure and ensure safe use.

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