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  • BIT 20  1 2 Benzisothiazolin 3 one 20%
  • BIT 20  1 2 Benzisothiazolin 3 one 20%
  • BIT 20  1 2 Benzisothiazolin 3 one 20%
  • BIT 20  1 2 Benzisothiazolin 3 one 20%
BIT 20  1 2 Benzisothiazolin 3 one 20%BIT 20  1 2 Benzisothiazolin 3 one 20%BIT 20  1 2 Benzisothiazolin 3 one 20%BIT 20  1 2 Benzisothiazolin 3 one 20%

BIT 20 1 2 Benzisothiazolin 3 one 20%

  • CAS:2634-33-5
  • Purity:20%
  • Appearance:Amber liquid
  • Package: 25kg,200kg,1.25mt drum
  • Product description: BIT 20 is alkali resistance Preservative, High temperature resistance Bactericide. Suitable for use in the medium of the pH value in the range of 4.0-12. Low toxicity; No heavy metals and halogen comp

BIT-20 Biocide / Benzisothiazolinone 20/ Proxel Gxl

In-Can Preservation for Paints, Adhesives and Related Products

Product name: BIT-20; 1,2-Benzisothiazolin-3-one; Proxel GXL;

CAS No.: 2634-33-5

Purity: 20% liquid

Solvent: DPG, or PG

BIT-20 biocide is a broad spectrum microbicide for the preservation of industrial water-based products against the attack of microorganisms. The Composition is 20% solution of 1,2-Benzisothiazolin-3-one in dipropylene glycol and water. It is specifically recommended for the preservation of polymer emulsions, paints and coatings, adhesives, and printing inks. The biocide is also called Proxel GXL.  







Amber liquid


Content of Active Substance (%)



PH Value



Density (g/ml)


Component list:



Weight %




Dipropylene Glycol



Sodium hydroxide






Application field

Suitable for applications in the water-based polymer, leather, paint, textile, printing and  dyeing, metal cutting fluids, adhesives, inks, dyes, dye dispersions industries to resist corrosion.

Performance characteristics

1. Serve as a broad-spectrum, long-lasting biocide to kill many bacteria, fungi and yeasts; the liquid with a lowest concentration of 0.1% will have a good antibacterial effect;

2. Good compatibility with all kinds of emulsifiers, surfactants and other agents; miscible in the solutions of alcohol and water at any ratio.

3. Wider applications that like products; suitable for use in the medium of the pH value in the range of 4.0-12.

4. Excellent inactivity, with the active ingredient able to withstand a high temperature of 150 .

5. Low toxicity; contain no heavy metals and halogen compounds; inactive to amines; free of formaldehyde.

Usage and Cautions

1. For use in cosmetics, body care products, and other daily chemicals, the concentration of using is in the range of 0.05-0.40% (w/w) depending on the storage environment and whether the product is susceptible to the destroy of microorganisms. The specific formula and instructions for the concentration of using will be based on the company's microbial technology division

2. It can be added at any production step; but it's suggested to be added at the final step at less than 50 ; avoid adding at a temperature of higher than 50 .

3. Wear protective clothing, rubber gloves and goggles and masks, avoid contact with skin, eyes and mucous membranes.

Safety: In an acute oral toxicity test, the LD50 in rats is 2500 mg/kg.

Package: 25kg, 200 kg per plastic drum; 1mt IBC drum; Or as your request;

Quality Testing Center:

We have strict requirements on product quality, In order to control the quality of our products, the production department performs product quality inspection on each batch of cargo produced with advanced equipment for testing and manufacturing.

Before our new customer places an order , we can send the sample for your testing . We ensure the quality is the same as bulk quality.

Transport Mode:

Multiple transportation methods can be selected, Sea Transport, Air Transport, Express Transport and Railway Transport. The transport method will be done according to customers' request. Our priciple is to delivery the goods reached to customers with shortest time and ecomomic trasnport mode, safe and fast.

Our Service:

With more ten years experience in industrial biocide, preservatives and mold inhibitor, We provide comprehensive customer service from the initial consultation to the final delivery of your order. We always serves with enthusiasm and accepts full responsibility in customers' work. Hope we could be your reliable partner in China.