Compound Q&A

What are the physical and chemical properties of Ethanesulfonyl chloride (CAS: 594-44-5)?

Answer

Ethanesulfonyl chloride
Ethanesulfonyl chloride is a colorless liquid with a molecular weight of approximately 148.06 g/mol. It has a pKa of 5, indicating weak acid behavior. The compound is highly soluble in water and organic solvents. It is a reactive compound, easily forming sulfoxides and sulfones under basic conditions. Its boiling point is around 122°C, and it is unstable to heat and basic conditions, making it prone to hydrolysis.

About

CAS No 594-44-5
English Name Ethanesulfonyl chloride
Molecular Formula C2H5ClO2S
Molecular Weight 128.58 g/mol
SMILES CCS(=O)(=O)Cl
InChIKey FRYHCSODNHYDPU-UHFFFAOYSA-N
Last Updated: 2025-09-08 00:42

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