2-Methyl-4-Isothiazolin-3-One Biocide
Chemical Name: 2-Methyl-4-Isothiazolin-3-One
Product Name: MIT
CAS NO.: 2682-20-4
Molecular formula: C4H5NOS
Products Description
Chemical Name: 2-Methyl-4-Isothiazolin-3-One
Product Name: MIT
CAS NO.: 2682-20-4
Molecular formula: C4H5NOS
Structural formula: 
Molecular weight:149.59
Appearance: Light yellow liquid
Effective content: 50% min
PH: 5.0-7.0
Density (20 ℃g/cm): ≥1.10%
Package: 25kgs or 200kgs plastic drum,1000kgs IBC drum
Store: In a dark, cool place, store with the seal intact at room temperature. Shelf life of 1 year.
Use: As a biocide. MIT is used in paints, synthetic polymer emulsions, and other water-based systems, the general concentration of using is 0.05-0.1% (w/w); for use in daily chemicals, the concentration is 0.02-0.1% (w/w), depending on the storage environment and whether the product is susceptible to damage of microorganisms. It can be added at any production step, but it's suggested at the final step at less than 50 ℃; avoid adding at a temperature higher than 50 ℃.
Note: The above information is only for your reference. Please use this product based on the contamination of the system and local regulations. Seller assumes no obligation or liability for this information.
Products feature
Strong compatibility
The pH value of the fungicide itself is controlled between 5.0 and 7.0, which is in the weakly acidic to neutral range and can be stably used in most aqueous systems.
Highly efficient sterilization
MIT contains highly active isothiazolinone rings in its molecular structure, which can quickly destroy the metabolic systems of bacteria, fungi, and algae and inhibit their growth.
Excellent water solubility
2-Methyl-4-Isothiazolin-3-One contains polar functional groups and has a solubility of up to 10 g/100 mL (20°C) in water at room temperature. It can be quickly dispersed in water without the addition of additional co-solvents or long-term stirring.
Why Choose Us
Rich Experience: Over nearly 20 years, we have honed our expertise in manufacturing bromine series fungicides and gained valuable industry insights through long-standing collaborations with renowned international firms like Dow, Lanxess, Lozna, and Thor.
Excellent Quality: In 2005, we obtained the ISO certification and adhered to GMP standards to guarantee standardized production processes and product safety.
Robust Production Capacity: Our company spans 20,000 square meters, outfit advanced production equipment, and has substantial production capacity to fulfill global market demands.
R&D Capabilities: Our research and development team includes numerous senior R&D professionals with extensive industry experience and expertise, dedicated to the innovation and development of new bromine series fungicides.
FAQ
Q: What are the main uses of 2-Methyl-4-Isothiazolin-3-One?
A: 2-Methyl-4-Isothiazolin-3-One is a synthetic fungicide and preservative with broad-spectrum fungicide and preservative properties. It can be widely used in industrial cooling water, oil field return water, the papermaking industry, pipelines, coatings, paints, rubber, cosmetics, photographic films, and detergents. It is particularly suitable for the preservation of cosmetics and personal care preparations as a preservative.
Q: What is the safety and toxicity of 2-Methyl-4-Isothiazolin-3-One?
A: 2-Methyl-4-Isothiazolin-3-One can effectively kill various bacteria at low concentrations and has low toxicity and good biodegradability. However, it may also cause irritation or allergic reactions to the skin and eyes. Therefore, it is necessary to follow the relevant safety operating procedures when using it, wear appropriate protective equipment, and avoid prolonged contact or inhalation. At the same time, for sensitive people or those with skin damage, it should be used with caution or avoided.
Q: What is the bactericidal mechanism of 2-Methyl-4-Isothiazolin-3-One?
A: The bactericidal mechanism of 2-Methyl-4-Isothiazolin-3-One is mainly achieved by interfering with the metabolic process of microorganisms. It can bind to proteins or enzymes on the cell membrane of microorganisms, destroy the integrity of the cell membrane, and cause the leakage of cell contents, thereby inhibiting or killing microorganisms. In addition, MIT can also affect key biological processes such as DNA replication and protein synthesis of microorganisms, further exerting a bactericidal effect.
Q: What is the maximum allowable use of 2-Methyl-4-Isothiazolin-3-One in cosmetics?
A: The maximum allowable use of 2-Methyl-4-Isothiazolin-3-One in cosmetics varies from country to country and region and is usually strictly restricted by local cosmetic regulations. In regions such as the European Union, the maximum allowable use of MIT in cosmetics is usually 0.01% (based on the total weight of the product). However, the specific amount of use needs to be comprehensively considered based on factors such as the type of product, the purpose of use, and the type and number of target microorganisms.
Q: Does 2-Methyl-4-Isothiazolin-3-One have toxic effects on aquatic organisms?
A: 2-Methyl-4-Isothiazolin-3-One may have certain toxic effects on aquatic organisms, but the degree of impact depends on many factors, such as concentration, exposure time, type, and sensitivity. Generally speaking, MIT is usually used in water treatment at low concentrations, and after proper treatment, its toxic effects on aquatic organisms can be reduced. However, when discharging wastewater containing MIT, the discharge concentration and volume still need to be strictly controlled to avoid unnecessary damage to aquatic ecosystems.
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