CAS Registry Number

CAS 26172-54-3 — 2-Methyl-4-isothiazolin-3-one hydrochloride

2-Methyl-4-isothiazolin-3-one hydrochloride is a broad-spectrum biocide widely used as a preservative in industrial water systems, paints, coatings, and adhesives to prevent microbial growth. This chemical is a hydrochloric acid salt of the active isothiazolinone compound, enhancing solubility and stability in formulations. CAS 26172-54-3, molecular formula C4H6ClNOS, molecular weight 151.61454. Store at +4°C. No signal word required under standard classification. Molekula supplies 2-Methyl-4-isothiazolin-3-one hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.