Para Toluene Sulphonyl Chloride (PTSC)
CAS Number: 98-59-9
Description
Para Toluene Sulphonyl Chloride (PTSC) is a highly versatile sulfonyl chloride derivative widely used as an intermediate in the pharmaceutical, dye, agrochemical, and specialty chemical industries. With CAS No. 98-59-9, PTSC plays a critical role in the preparation of sulfonamides, sulfonylureas, and other sulfonated compounds.
It acts as a sulfonation and coupling agent, enabling the synthesis of complex organic molecules with high efficiency. Its reactivity and stability make it indispensable for drug intermediates, dye manufacturing, and fine chemical synthesis.
Applications
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Pharmaceuticals:
- Intermediate for sulfonamide antibiotics and active pharmaceutical ingredients (APIs)
- Used in synthesis of sulfonylurea-based drugs
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Dyes & Pigments:
- Key intermediate in azo dye and fluorescent dye production
- Enhances brightness and stability of colorants
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Agrochemicals:
- Precursor for herbicides, pesticides, and plant growth regulators
- Enables synthesis of sulfonylated intermediates
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Specialty Chemicals:
- Reagent in sulfonation and acylation reactions
- Used in synthesis of polymers, resins, and catalysts
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Laboratory & R&D:
- Useful reagent for custom synthesis and academic research