What is 1,2-Benzisothiazol-3(2H)-one?

1,2-Benzisothiazol-3(2H)-one, also known as benzisothiazolinone (BIT), it is a heterocyclic compound widely used as a preservative and antimicrobial agent in various industrial and consumer products. Its strong biocidal properties make it a preferred ingredient in many water-based formulations to prevent microbial contamination and degradation.

Applications of Benzisothiazolinone BIT

BIT is valued across several industries for its ability to inhibit bacterial, fungal, and algal growth. Typical uses include:

Paints and Coatings
BIT helps to prevent spoilage and degradation in water-based coatings, extending their shelf life and maintaining performance.

Adhesives and Sealants
It protects products during storage and use, ensuring microbial stability in damp and enclosed environments.

Cleaning Products
Household detergents, surface sprays, and laundry liquids often include BIT to ensure long-term microbial control.

Cosmetics and Toiletries
In small, regulated concentrations, BIT is used in creams, shampoos, and lotions as a preservative to prevent microbial contamination.

Textile and Paper Industry
It is applied during manufacturing or finishing processes to prevent microbial growth on fabrics and paper.

Benefits and Advantages

Effective at low concentrations

Excellent thermal and chemical stability

Broad-spectrum antimicrobial activity

Does not release formaldehyde

Compatible with other preservative systems

Safety and Regulatory Considerations

Despite its usefulness, BIT can cause allergic skin reactions in sensitive individuals. Regulatory bodies have therefore imposed concentration limits for its safe use:

In cosmetics (EU regulation): Maximum of 0.01% (100 ppm)

In industrial formulations: Higher concentrations may be permitted depending on application and region

When handled in industrial environments, BIT should be used with appropriate protective equipment, including gloves and safety goggles.

Market Trends and Demand

The global demand for isothiazolinone preservatives, especially BIT, is growing due to increased regulatory scrutiny of traditional formaldehyde-releasing preservatives and consumer preference for effective, low-toxicity alternatives. Key market drivers include:

Growth in eco-friendly, water-based paints and coatings

Demand for preservative systems in non-alcoholic and low-VOC formulations

Rising need for hygienic packaging and production in cosmetics and personal care

The Asia-Pacific region is seeing rapid market expansion, while Europe and North America remain key consumers due to strict product quality standards.

Lifeworth – Reliable Supplier and Manufacturer of BIT

Lifeworth is a trusted global supplier and manufacturer of 1,2-Benzisothiazol-3(2H)-one (BIT). With years of experience in the chemical industry, Lifeworth provides high-purity 20% 98% BIT powder that meets stringent quality standards for both industrial and regulated applications,with a total annual production capacity of BIT products exceeding 23,000 tons.

Lifeworth’s BIT production facility has passed third-party audits and certifications including cGMP, ISO9001, ISO14001, FSSC22000, ISO45001, HALAL, and KOSHER. The company supports global clients with:

Bulk supply for industrial use

Custom packaging and private label services

OEM/ODM services tailored to customer formulation needs

Technical support for application development

Lifeworth’s high-quality BIT is widely exported to North America, Europe, and Asia, where it is used in coatings, cleaning agents, adhesives, and more.

In addition to benzisothiazolinone powder,our main products also include polyhexamethyleneguanidine (PHMG, PHMC), 2,4-dichloro-3,5-dimethylphenol (DCMX), Chloroxylenol pcmx, polyvitamin iodine and other products.with an annual output of more than 150,000 tons of various products. Our production capacity and product quality are stable, and our Lifeworth has a great influence in the international market.

If you want to buy 1,2-Benzisothiazol-3(2H)-one bulk, you can contact our Lifeworth: sales@naturallifeworth.com, we will give you competitive bulk price and more information, believe us, we will not let you down.

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Conclusion

1,2-Benzisothiazol-3(2H)-one (BIT) continues to be an essential preservative and antimicrobial agent across numerous industries. Its chemical stability, cost-efficiency, and broad-spectrum activity make it a top choice for modern formulation systems. With global regulatory approval and strong technical performance, BIT ensures long-term product safety and quality.

Lifeworth, as a reputable supplier and manufacturer of BIT, is committed to delivering reliable, high-quality solutions that meet the evolving needs of international clients. Whether for paints, personal care, or industrial formulations, Lifeworth provides comprehensive support and supply to help businesses achieve their goals in product preservation and microbial control.

Package:

1.1-5kg sample order we can provide aluminum foil bag package.

2.5-10kg order we can provide aluminum foil bag package.

3.Normally a full pack is 25kg/drum or 25kg/bag or 25kg/carton.

Contacts:

E-Mail:sales@naturallifeworth.com
Mobile: 0086-18292562757
Whatsapp: 0086-18292562757