3,4-Dichloroisothiazole-5-carbonitrile

3,4-二氯-5-氰基异噻唑

Also known as: 3,4-Dichloro-5-cyanoisothiazole, 3,4-Dichloroisothiazol-5-carbonitrile, 3,4-Dichloroisothiazol-5-nitrile, 3,4-dichloro-1,2-thiazole-5-carbonitrile, 3,4-dichloro-5-Isothiazolecarbonitrile, 5-Cyan-3,4-dichlorisothiazol, 5-Cyano-3,4-dichloroisothiazole, dichloro-1,2-thiazole-5-carbonitrile

3,4-Dichloroisothiazole-5-carbonitrile (CAS 18480-52-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4Cl2N2S and a molecular weight of 179.02700 g/mol. It is also known as 3,4-Dichloro-5-cyanoisothiazole, 3,4-Dichloroisothiazol-5-carbonitrile and 3,4-Dichloroisothiazol-5-nitrile. Key properties include a melting point of 81-83ºC, a boiling point of 154.4ºC at 760 mmHg, a density of 1.7g/cm3 and a flash point of 47.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

18480-52-9

Jingsj CID

J-1069325-6

Molecular Formula

C₄Cl₂N₂S

Chinese Name

3,4-二氯-5-氰基异噻唑

Molecular Weight

179.02700 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026