Basic Info:

  • Chemical Synonym(s): Proxel XL; 2,3-dihydro-3-oxo-1,2-benzisothiazole; Benzocil; Proxan; 1,2-benzisothiazol-3-one; Expand
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  • CAS Number: 2634-33-5
  • Chemical Formula:


  • MSDS: Download


Boiling Point
204.5ºC at 760 mmHg
Melting Point
Flash Point
Refractive Index
Boiling point
360°C (rough estimate)
refractive index
1.5500 (estimate)
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We help you source BIT in China

Our Advantages:

China currently plays a very important role in the world market for plastic additives, with 168, 1010, DSTDP, DLTDP, 977 and 365 being the most produced products in the world.
The price of plastic additives varies significantly with oil, while the cost correlation between antioxidants and palm oil is high.
Since 2020, the number of black swan events in the world has increased, resulting in dramatic changes in raw material prices.
Companies such as UPP, SONGWON, PMC, LG, etc. have been alerted by us in time and have avoided many losses.

We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

When selecting suppliers, our procurement specialists will audit the qualification of suppliers, conduct thorough investigations such as field visits and sample testing, and make ratings to ensure the authenticity and legality of supplier information.

We have a long-term stable cooperation with GLP laboratories, encounter customer test results and supplier test results do not match the situation, we will commission a third party to test to ensure the accuracy, authenticity and reliability of the experimental results. In this way, we can effectively control the product quality problems.

We have a long-term cooperative warehouse and can follow up packaging and labeling according to safety regulations and customer requirements. In order to effectively prevent damage to the goods in transit, we have prepared various reinforcement measures and packaging solutions.

We have a number of international freight companies with whom we have long-standing cooperation, and we can choose several route options according to the customer's requirements. For more difficult or urgent orders, we will prepare several alternative solutions to ensure safe and timely delivery.


We promise to immediately and unconditionally exchange or return the goods if they have quality problems. Our employees who deal with after-sales issues have many years of international work experience and are familiar with various processes in multinational work, so they can communicate and deal with after-sales issues without any obstacles.

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BIT (1.2-Benzisothiazolin-3-one) is an organic compound that is also called the mercaptain. BIT is often called benzisothiazolinone or BIS for short.

It comes in liquid or powder form and can be added to many different types of cosmetic products. It is an excellent textile cleaner and neutralizer.

It can use it in combination with fluoride to prevent tooth decay in vitro. Bit also has antibacterial and antifungal properties and can be used to fight fungi and mildew.BIT is also used as a biocide, quaternary ammonium compound used as an antimicrobial agent in toiletry and cosmetic products.

BIT is a chelating agent that can bond with metal ions that are present in the water. It also helps to remove these ions from water for purification purposes.


BIT is a preservative and antioxidant. It is used as an antioxidant/preservative in foods, cosmetics, pharmaceuticals, and photographic film.

It is used in many products to maintain their freshness and flavor. This substance can act as a disinfectant or preservative in food, drugs, or other substances.

It protects products from spoilage caused by microorganisms, such as molds and bacteria. It is used in the production of rubber and plastics and even in windshield washer fluid.

BIT is used in the leather industry to control undesirable color changes due to the degradation of tannins. It is also used as an oxidation stabilizer in PVC plastics.