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Bactericides, Fungicides, antifouling

Proxel GXL BIT 20% preservative for Painting and Coating

Microbial control chemicals1,2-Benzisothiazolin-3-one (BIT)

Proxel GXL BIT 20% preservative for Painting and Coating

Product Name: 1,2-Benzisothiazolin-3-one (BIT 20%)

Synonyms: BIT Biocide

Other Name: Proxel GXL

CAS No.: 2634-33-5

EINECS No.: 220-120-9

Proxel Gxl


The product is an aqueous dipropylene glycol solution of 1,2-benzisothiazolin-3-one. It is a broad spectrum biocide for the preservation of industrial aqueous-based products against spoilage from all kinds of microorganisms. It is also called Proxel GXL in abroad, the same biocide.

The other forms of BIT supplied include 10% BIT aqueous solution, BIT mixed with MIT, BIT mixed with Bronopol etc. The biocide of BIT 10% aqueous solution is same as Proxel AQ.

1)    Solubility: soluble in water at use dilutions

2)    Odor: Characteristic odor

Advantage of BIT 20% CAS 2634-33-5 analog PROXEL GXL:

1. Broad spectral activity in high pH systems, bacteria, fungi and yeast control.

2. Stable in the presence of amines.

3. Non-specific mode of action leading to a decrease in the potential for microbiological resistance.

4. Easy to handle due to its liquid form and good compatibility in most aqueous formulations.

5.Excellent performance with co-biocides such as CMI/MIT, bronopol or formaldehyde releasing agents to improve performance and reduce costs.

6. The active ingredient is non-volatile and has a relatively high thermal stability, allowing it to be incorporated into liquids that are still hot.

7.High purity active ingredient that appears in a transparent light color.

8.Analogues: ROCIMA™ 640 & KORALONE™ B-120.


BIT 20% CAS 2634-33-5 equivalent to PROXEL GXL is recommended for the preservation of polymer emulsions, paints and coatings, adhesives and printing inks.


Contact: Mr David Sun

Phone: 15734121186

Tel: 13998683145

Email: sales@sinotrustchemical.com

Add: Zhongshan Dist Dalian China