m-Toluenesulfonyl chloride

间甲苯磺酰氯

Also known as: 3-Methylbenzenesulfonyl chloride, 3-Methylbenzene-1-sulfonyl chloride, 3-Toluenesulfonyl chloride, 3-Methylbenzenesulphonyl chloride, 3-methylphenylsulphonyl chloride, Toluene-3-sulfonyl chloride, m-Tolylsulfonyl chloride, meta-toluenesulfonyl chloride, 3-(Chlorosulphonyl)toluene

CAS No.
1899-93-0
Jingsj CID
J-17269-5
Molecular Formula
C7H7ClO2S
Chinese Name
间甲苯磺酰氯
Molecular Weight
190.647 g/mol
Category
Solvents
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point278.2±19.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point122.1±21.5 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of m-Toluenesulfonyl chloride?

1899-93-0

What are the molecular formula and molecular weight of m-Toluenesulfonyl chloride?

C7H7ClO2S, molecular weight 190.647 g/mol

Is m-Toluenesulfonyl chloride hazardous?

Danger

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026