5-Chloro-2-methyl-4-isothiazolin-3-one (CMIT)

5-Chloro-2-methyl-4-isothiazolin-3-one (CMIT)

High-Performance Broad-Spectrum Biocide for Industrial & Cosmetic Applications

Chemical Name: 5-Chloro-2-methyl-4-isothiazolin-3-one
Common Abbreviation: CMIT
CAS Number: 26172-55-4
Molecular Formula: C₄H₄ClNOS
Molecular Weight: 149.60 g/mol
Appearance: Colorless to pale yellow liquid (usually in aqueous solution)
Packaging: Available in 25 kg drums, 200 kg HDPE drums, or customized bulk packaging
Purity (active content): Typically 1.5% or 14% (in aqueous solution)

Product Overview:

5-Chloro-2-methyl-4-isothiazolin-3-one (CMIT) is a powerful isothiazolinone-based preservative and biocide, widely used for its broad-spectrum antimicrobial activity. It is highly effective against bacteria, fungi, and algae, making it an essential component in water-based industrial formulations, cosmetics, paints, adhesives, and cooling water systems.

Often used in combination with 2-methyl-4-isothiazolin-3-one (MIT), CMIT serves as a reliable agent for preventing microbial contamination in both production processes and end-user products.

Applications:

🔹 Industrial Water Treatment: Controls microbial growth in cooling towers, RO membranes, and pipelines
🔹 Paints & Coatings: Preserves water-based paints, emulsions, and adhesives from bacterial and fungal degradation
🔹 Personal Care & Cosmetics: Preservative for shampoos, conditioners, and lotions (at very low concentrations)
🔹 Household Cleaners: Included in detergents and disinfectants to extend shelf life and performance
🔹 Paper & Pulp Industry: Prevents microbial spoilage during paper processing
🔹 Oil & Gas: Protects drilling fluids and processing water from biofouling

Technical Specifications:

Key Features & Benefits:

✅ Broad-spectrum antimicrobial activity
✅ Effective at low dosages
✅ Compatible with many surfactants and emulsifiers
✅ Long shelf life and chemical stability
✅ Prevents microbial spoilage, maintaining product integrity
✅ Reduces need for harsh chemicals in preservation

Usage & Handling:

• Use levels depend on the application; typically 10–50 ppm in industrial water systems, and <0.01% in cosmetics

• Always conduct a compatibility and stability test when formulating

• Store in a cool, dry area away from direct sunlight

• Shelf life: 12–24 months in unopened containers

Safety & Regulatory Information:

• Classified as an irritant—handle with appropriate PPE

• Not recommended for leave-on personal care products in some regions

• Compliant with EPA, REACH, and BPR regulations depending on concentration and use

• SDS and COA available upon request

Why Choose AgroVita Global Supplies?

At AgroVita Global Supplies, we offer high-quality, stable-grade CMIT that meets international regulatory and performance standards. With custom packaging, global logistics, and reliable technical support, we are your trusted supplier for specialty biocides and preservatives tailored to industrial and formulation needs.

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