CMIT (CAS 26172-55-4) – Broad-Spectrum Biocide and Preservative

🧪 CAS Number: 26172-55-4

🌟 Product Description

CMIT (5-chloro-2-methyl-4-isothiazolin-3-one) is a colorless to pale yellow liquid with a sharp odor. It is soluble in water and most organic solvents. Due to its antimicrobial properties, it is widely used as a preservative in cosmetics, cleaning products, and industrial water systems.

🏭 Applications

Cosmetics and Personal Care: Acts as a preservative in shampoos, soaps, lotions, and creams.

Cleaning Products: Prevents microbial growth in household and industrial cleaners.

Water Treatment: Serves as a biocide in cooling towers and industrial water systems.

Paints and Coatings: Prevents microbial spoilage and extends product shelf life.

📊 Physical and Chemical Properties

Appearance: Colorless to pale yellow liquid

Odor: Sharp, amine-like

Molecular Formula: C₄H₄ClNOS

Molecular Weight: 149.6 g/mol

Boiling Point: ~188 °C

Density (20°C): ~1.020 g/cm³

pH (1% solution): 2.0 – 5.0

Solubility: Soluble in water and most organic solvents

⚠️ Storage and Safety

CMIT should be stored in cool, dry, well-ventilated areas. Avoid contact with skin and eyes; use appropriate PPE. Consult SDS before use.

📛 Other Names:

Methylchloroisothiazolinone, MCI, Isothiazolinone

🔑 Keywords:

CMIT, MCI, biocide, preservative, cosmetics, cleaning products, water treatment, industrial chemicals