Benzisothiazolinone BIT CAS 2634-33-5

05-08-2025

1,2-Benzisothiazolin-3-one (Benzisothiazolinone)

In-Can Preservation for Paints, Adhesives and Related Products

 

Item Name: BIT 85  

Chemical Name: 1,2-Benzisothiazolin-3-one; Benzisothiazolinone 

CAS No.   2634-33-5

EINECS No. 220-120-9  

Molecular Formula: C7H4NOS

Molecular weight: 151.18 

 

General

BIT biocide is a broad spectrum microbicide for the preservation of industrial water-based products against the attack of microorganisms. BIT Powder containing 99% W/W 1,2-Benzisothiazolin-3-one. The Benzisothiazolinone is specifically recommended for the preservation of polymer emulsions, paints and coatings, adhesives, and printing inks.


Technical index of Benzisothiazolinone: 

Appearance

White powder

Content of active substance %

≥99%

Flash Point

77.5

Density(25) g/cm3

1.367

Dryness

85%

Water content

15% max

 

Product Benefits of BIT Biocide: 

1. Broad spectrum activity in high pH systems, controlling bacteria, fungi and yeasts.

2. Stable in the presence of amines.

3. Non specific mode of action, resulting in reduced microbial resistance potential.

4. Ease of handling due to its liquid form and good compatibility in most aqueous compositions.

5. Excellent performance with co-biocides like CMI/MI, bronopol or formaldehyde releasers, which allow performance enhancements and cost reduction.

6. The active ingredient is non-volatile and has a comparatively high heat stability which allows the incorporation in fluids which are still hot.

7. High purity active ingredient, made evident by its clear light colour.


Application Field 

Widely used in polymer emulsion, Waterborne coatings, adhesive, Coated paper, Emulsified oil preparation, Oil extraction, industry water treatment system etc. 

 

Safety/Operation 

Avoid any contact with the skin. Wear protective clothes, goggles, and rubber gloves in operation. Once touch, will be sensitive to skin. Irritating to the skin and eyes. 

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