p-Toluene Sulfonyl Chloride (PTSC)
Product Name: P-Toluene Sulfonyl Chloride (PTSC); 4-Chlorobenzene Sulfonyl Chloride; Tosyl Chloride
CAS No.: 98-59-9
Molecular Formula: C7H7ClO2S
Molecular Weight: 190.6
Structural Formula:
Technical index for purified product:
Appearance: white crystalline
Assay: ≥99.5%
Moisture: ≤0.2%
Melting point: ≥67℃
Free Acid: ≤0.2%
Color(APHA): ≤20
Packing: 25kg fiber drum; 50kg plastic drum
Usage: It is an intermediate of disperse dyes, ice dyes and acid dyes, and is also used in the production of the drug metsulfuron. It is the main raw material for the preparation of p-toluenesulfonic acid derivatives, which can be used as an acylating agent to improve the fastness of dyes, and can also be used as a raw material for p-toluenesulfonamide and p-toluenesulfonate. It is mainly used as an analytical reagent in industry, and is also used in organic synthesis, dye preparation and molecular rearrangement reaction in hormone synthesis.
Downstream products: p-methylsulfonyl toluene, quinolin, azithromycin, diethyl oxymethyl phosphate p-toluenesulfonate, capecitabine, clopidogrel, tymiocin, cefaclor , p-toluenesulfonyl isonitrile ester, acid dyes.
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