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BIT (1,2-benzisothiazolin-3-one) is a chemical compound widely used as a biocide and preservative.
 May 11, 2024|View:19|Share to:

BIT (1,2-benzisothiazolin-3-one) is a chemical compound widely used as a biocide and preservative. It exhibits strong antimicrobial properties, making it effective against bacteria, fungi, and algae in various industrial and consumer applications.

cas no 2634 33 5

cas no 2634 33 5

Molecular Formula: C7H5NOS

Molecular Weight: 151

Structural Formula:

cas no 2634 33 5

Product Grade:Industrial


BIT (1,2-benzisothiazolin-3-one), with the CAS number 2634 33 5, is a chemical compound known for its biocidal and fungicidal properties. It is widely used as an effective antimicrobial agent in various applications. BIT is commonly utilized as a preservative in industrial and consumer products, including paints, adhesives, cleaners, and personal care items. It effectively prevents the growth of bacteria, fungi, and algae, thereby extending the shelf life of products and preventing microbial contamination. BIT acts by inhibiting key enzymatic processes in microorganisms, leading to their eradication. It is important to handle and use BIT with caution, following appropriate safety guidelines, as it can be harmful if not handled properly.

BIT owns a prominent effect of restraining the microorganism such as mould (fungus, bacteria), alga(e) to breed in organic medium, which help to solve the problem of organic medium (Mold, fermentation, metamorphic, demulsification,smelliness) caused by the microorganism breeding. So in the developed countries, BIT is widely used in latex products, water soluble resin, painting (emulsion paint), crylic acid, polymer, polyurethane products, photographic lotion, papermaking, printing ink, leather, lubricating oil etc.






light yellow to white powder

off white crystalline powder













Melting point




No insolube matter

No insolube matter


25kg/bag or big bag.Cool, dry, shading, and sealed storage.

Shelf Life:

1 year


  • Q1: What is your terms of payment?A: Small:TT 100% in advance,Credit Card.
    Large:L/C at sight,T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

  • Q2: How about your delivery time?A:Generally,it will take 15 to 20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

  • Q3: Do you have any MOQ limit for order?A:Yes, Low MOQ, 10-100g for sample checking is available.

  • Q4: How to proceed an order for your products?A:Firstly let us know your requirements or application.Secondly We quote according to your requirements or our suggestions.Thirdly custmer confirms the samples and places deposit for order.Fourthly We arrange the production.

  • Q5: Do you test all your goods before delivery?A: Yes, we have 100% test before delivery.

  • Q6: How do you make our business long-term and good relationship?A: 1. We keep good quality and competitive price to ensure our customers benefit ;
    2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.