Benzenesulfonyl chloride

CAS: 98-09-9
Molecular Formula: C6H5ClO2S
Molecular Weight: 176.62
Product description:By benzene and chlorosulfonic acid reaction. Benzene and chlorosulfonic acid with 1:3 mole ratio in the 20-30 ℃ 2 h reaction, quick crude products, by the refined products. Industrial benzene sulfonyl chloride as yellowish oily liquid, content of 98% or more, free acid 0.20% or less. Raw material consumption quota: 808.8 kg/t benzene; 2788.4 kg/t chlorosulfonic acid.Benzene sulfonyl chloride to protect amine, indoles and other nitrogen functional groups. Other aryl and alkyl sulfonyl chloride (such as p-toluene sulfonyl chloride and methyl sulfonyl chloride) can also be used for the protection of the amino group. Reaction of alkali and solvents choice depends on the substrate.