CAS 3518-66-9

1-Chloroethanesulfonyl chloride

Description:

1-Chloroethanesulfonyl chloride, with the CAS number 3518-66-9, is an organic compound characterized by its sulfonyl chloride functional group. It features a chloroethyl group attached to a sulfonyl moiety, making it a versatile reagent in organic synthesis. This compound is typically a colorless to pale yellow liquid with a pungent odor, and it is known for its reactivity, particularly with nucleophiles. It can undergo hydrolysis in the presence of water, leading to the formation of 1-chloroethanesulfonic acid. Due to its electrophilic nature, 1-chloroethanesulfonyl chloride is often employed in the synthesis of sulfonamides and other sulfonyl-containing compounds. It is important to handle this substance with care, as it can be corrosive and may cause irritation to the skin, eyes, and respiratory system. Proper safety precautions, including the use of personal protective equipment and working in a well-ventilated area, are essential when working with this chemical.

Formula: C₂H₄Cl₂O₂S

InChI: InChI=1S/C2H4Cl2O2S/c1-2(3)7(4,5)6/h2H,1H3

InChI key: InChIKey=XUWDWJZNNYTMJV-UHFFFAOYSA-N

SMILES: S(C(C)Cl)(Cl)(=O)=O

Synonyms:

• α-Chloroethanesulfonyl chloride
• Ethanesulfonyl chloride, 1-chloro-
• 1-Chloroethanesulfonyl chloride