5-Chloro-2-methyl-2H-isothiazol-3-one hydrochloride

5-氯-2-甲基异噻唑啉-3-酮盐酸盐

Also known as: 5-Chloro-2-methyl-4-isothiazolin-3-one hydrochloride, 5-chloro-2-methyl-1,2-thiazol-3-one hydrochloride, 5-chloro-2-methyl-3-isothiazolone hydrochloride salt, 5-chloro-2-methyl-isothiazol-3-one hydrochloride, 5-chloro-2-methylisothiazol-3(2H)-one hydrochloride, Methylchloroisothiazolinone (hydrochloride), EINECS 247-760-1, 3(2H)-Isothiazolone, 5-chloro-2-methyl-, hydrochloride (1:1)

5-Chloro-2-methyl-2H-isothiazol-3-one hydrochloride (CAS 26530-03-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5Cl2NOS and a molecular weight of 186.06000 g/mol. It is also known as 5-Chloro-2-methyl-4-isothiazolin-3-one hydrochloride, 5-chloro-2-methyl-1,2-thiazol-3-one hydrochloride and 5-chloro-2-methyl-3-isothiazolone hydrochloride salt. Key properties include a melting point of 52ºC, a boiling point of 200.2ºC, a density of 1.51 g/cm3 and a flash point of 74.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

26530-03-0

Jingsj CID

J-1049199-3

Molecular Formula

C₄H₅Cl₂NOS

Chinese Name

5-氯-2-甲基异噻唑啉-3-酮盐酸盐

Molecular Weight

186.06000 g/mol

Category

Pharma Intermediates

Last updated

8/21/2026