p-Toluenesulfonamide

PTSA, 4-Methylbenzenesulfonamide, p-Toluenesulphonamide, Tosylamide

CAS
70-55-3
EC
200-741-1
Sectors
Plastics & Polymers, Pharma & Healthcare, Water & Wastewater Treatment
p-Toluenesulfonamide (PTSA) is a high-purity crystalline powder that serves as a versatile industrial intermediate and solid plasticizer. It is highly valued for its exceptional thermal stability and seamless compatibility with a wide range of thermosetting resin systems. As a Technical Grade reactive additive, it significantly improves the flexibility and surface gloss of melamine and urea-formaldehyde resins. Its chemical profile ensures uniform solidification and high-quality finishes in industrial molding and coating applications. In the healthcare sector, PTSA acts as a crucial organic building block for the synthesis of antibacterial sulfonamide-based drugs. It also functions as a primary precursor for manufacturing industrial disinfectants and specialized chemical blowing agents.

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p-Toluenesulfonamide

Applications
  • Resin Modification: Acts as an efficient solid plasticizer for phenolic and amino resins to enhance impact resistance and mechanical durability.
  • Pharmaceutical Synthesis: Used as a key organic intermediate in the production of sulfonamide-based drugs and active pharmaceutical ingredients (APIs).
  • Disinfectant Precursor: Serves as the primary raw material for manufacturing Chloramine-T, widely utilized in industrial water treatment and sanitation.
Safety & Risks
Classified as a skin and eye irritant; contact may cause significant inflammation or respiratory discomfort. Always use nitrile gloves, protective goggles, and a NIOSH-approved dust mask during handling to prevent exposure.
Packaging
  • 1 kg / 5 kg Aluminum Foil Bags
  • 25 kg Fiber Drums / Woven Bags