CMIT/MIT Blend Biocide (1.5%)
CAS Number: 26172-55-4
A synergistic blend of 5-chloro-2-methylisothiazolinone (CMIT) and 2-methylisothiazolinone (MIT) at a 3:1 ratio, formulated as a 1.5% active biocide solution. This combination delivers rapid kill rates against a broad spectrum of bacteria, fungi, and algae in industrial water systems. It is widely used in cooling water, paper making, and metalworking fluid preservation.
Technical Specifications
| density | 1.01–1.05 g/cm³ |
| appearance | Light yellow to amber liquid |
| MIT content | 0.3–0.4% |
| CMIT content | 1.1–1.2% |
| pH as supplied | 2.5–4.0 |
| total active content | 1.4–1.6% |
Applications
- Industrial cooling water microbiological control
- Paper and pulp mill process water preservation
- Metalworking cutting fluid biocide
- Paints, coatings, and adhesive in-can preservation
- Polymer emulsion and latex preservation
Key Features
- Synergistic CMIT/MIT 3:1 ratio provides faster and broader kill spectrum
- Effective against planktonic and sessile biofilm bacteria
- Non-oxidizing — compatible with corrosion and scale inhibitor programs
- Low use concentration reduces total biocide load in effluent
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