N-Methyl-3-oxodihydroisothiazole (W/W 10% aqueous solution) [2682-20-4]

N-Methyl-3-Oxodihydroisothiazole (W/W 10% Aqueous Solution) [2682-20-4] is available in professionally graded form for technical applications. This compound, identified as a sulphur nitrogen heterocycle with a keto group, has a molecular formula of C4H4ClNOS and a molecular weight of 149.60. It exists as a clear light amber liquid with a density ranging from 1.256 to 1.296 g/mL at temperatures between 20-25 °C, exhibiting a viscosity of 11.4 cP at 25.7 °C. Due to its chemical composition, this substance carries a Warning label, signifying potential hazards such as acute oral toxicity and sensitization of the skin.

• CAS Number: 2682-20-4
• GHS Signal Word: Warning
• Density: For a mixture of 5-chloro-2-methyl-3(2H)-isothiazolone and 2-methyl-3(2H)-isothiazolone: Clear light amber liquid; density: 1.256 - 1.296 g/mL at 20-25 °C; viscosity: 11.4 cP at 25.7 °C
• Molecular Weight: 149.60
• Molecular Formula: C4H4ClNOS
• Exact Mass: 148.9702126
• Melting Point: 54-55 °C
• Hazard Statements:
• H300: Fatal if swallowed [Danger Acute toxicity, oral]
• H317: May cause an allergic skin reaction [Warning Sensitization, Skin]