9534. p-Toluenesulfonyl Chloride

Nomenclature

CAS number: 98-59-9
4-Methylbenzenesulfonyl chloride; tosyl chloride.
C7H7ClO2S; mol wt 190.65.
C 44.10%, H 3.70%, Cl 18.60%, O 16.78%, S 16.82%.

Description and references

Made by treating toluene with chlorosulfonic acid.

Chemical structure

Properties

Crystals, mp 69-71°. bp15 146°. Insol in water; freely sol in alcohol, benzene, ether.