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Specifications
|
Appearance |
Clear light yellow liquid |
|
MIT (HPLC) |
50% min |
|
CMIT |
40 ppm max |
|
pH (MIT 1% in deionized water) |
5.0–6.5 |
|
Specific gravity |
1.1 min |
|
Fe |
1 ppm max |
Transport Information
|
Parameter |
Specification |
|
UN Number |
2928 |
|
Class |
6; 8 |
|
Packing Group |
II |
|
H.S. Code |
3808940090 |
|
Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
|
Storage |
Tightly closed. Dry. Keep in a well-ventilated place. Keep locked up or in an area accessible only to qualified or authorized persons. Air sensitive. Store under inert gas. |
|
Condition to Avoid |
Strong heating |
|
Package |
Introduction
Methylisothiazolinone丨CAS 2682-20-4, is a broad-spectrum biocide and preservative widely used in various industries for its strong antimicrobial properties. It belongs to the class of isothiazolinone compounds, which are effective against bacteria, fungi, and algae. MIT is especially valued for its ability to prevent microbial contamination in aqueous systems and products, thus extending shelf life and maintaining product integrity.
Applications of Methylisothiazolinone
A. Personal Care and Cosmetics
● MIT is commonly incorporated into shampoos, conditioners, body washes, lotions, and creams as a preservative to inhibit microbial growth.
● It helps maintain the safety and stability of water-based formulations by preventing bacterial and fungal contamination during storage and use.
B. Household Cleaning Products
● Used in detergents, surface cleaners, dishwashing liquids, and disinfectants to prevent spoilage and biofilm formation.
● Its antimicrobial action protects products from degradation, ensuring consistent performance.
C. Industrial and Institutional Applications
● Applied in paints, adhesives, and coatings to prevent microbial degradation and spoilage.
● Used in cooling tower water, paper mills, and oil drilling fluids to control microbial growth that could cause fouling, corrosion, or product spoilage.
D. Textiles and Leather Processing
● Methylisothiazolinone丨CAS 2682-20-4 helps prevent microbial growth during textile processing and in finished products, thereby reducing odor and fabric damage.
● Used in leather preservation to inhibit fungal and bacterial degradation.
Benefits of Methylisothiazolinone
A. Effective Broad-Spectrum Antimicrobial
● Kills a wide range of bacteria (both Gram-positive and Gram-negative), yeasts, and molds.
● Prevents microbial spoilage in products and industrial systems effectively even at low concentrations.
B. Water Soluble and Compatible
● Easily soluble in water, allowing incorporation into diverse aqueous formulations.
● Compatible with many other chemical ingredients, enabling flexible formulation in personal care and industrial products.
C. Extended Shelf Life and Product Safety
● By preventing microbial contamination, MIT enhances product stability, safety, and shelf life, reducing the risk of infections and spoilage.
D. Low Use Concentration
● Effective at very low concentrations (typically 0.0015% to 0.01%), which minimizes cost and reduces potential toxicity concerns when properly formulated.
Conclusion
Methylisothiazolinone丨CAS 2682-20-4 is a highly effective antimicrobial preservative widely used in personal care, household, and industrial products to prevent microbial contamination and extend shelf life. Its broad-spectrum activity, low use concentration, and water solubility make it a popular choice for aqueous formulations. However, increasing concerns about skin sensitization have led to regulatory restrictions and the search for safer alternatives. Despite these challenges, MIT remains a key preservative in rinse-off formulations, balancing efficacy and safety under regulated use.
