1 2-Benzisothiazol-3(2H)-one CAS 2634-33-5


Basic Info

Product Name:1 2-Benzisothiazol-3(2H)-one
Other Names:Benzisothiazolin-3-on (BIT);Benzo[d]isothiazol-3(2H)-one;1,2-Benzisothiazolin-3-One(MIT);2$l^{4}-thia-6-azatricyclo[^{2,6}]undeca-1(7),8,10-trien-5-one;1,2-benzo-isothiazolin-3-ketone;Acticide BIT;Apizas AP-DS;Bestcide 200K
Place of Origin:Shandong, China
Brand Name:Zhishang Chemical
Type:Chemical Synthesis; Intermediates & Fine Chemicals;Pharmaceuticals
Appearance:White powder
EINECS No.:220-120-9
Storage:Cool Dry Place
Provide:1 2-Benzisothiazol-3(2H)-one msds;1 2-Benzisothiazol-3(2H)-one COA

Chemical Properties

Melting point 

154-158 °C(lit.)

Boiling point 

360°C (rough estimate)


1.2170 (rough estimate)

Refractive index 

1.5500 (estimate)

Storage temp. 

Keep in dark place,Sealed in dry,Room Temperature


Soluble in dichloromethane, dimethyl sulfoxide, methanol.

What is 1 2-Benzisothiazol-3(2H)-one

Bit is an irritant and a skin sensitizer. Occupation allergic contact dermatitis is reported to be related to the use of cutting oils and grease by paint manufacturers, pottery mould manufacturers, acrylic emulsion manufacturers, plumbers, printer, peace printing presses, paper mills, analytical laboratories, rubber factories and air fresheners.

1 2-Benzisothiazol-3(2H)-one Uses

  1. 1 2-Benzisothiazol-3(2H)-one isothiazolinone BIT is widely used in industry as a preservative in water-based solutions, such as pastes, paints and cutting oils. 1 2-Benzisothiazol-3(2H)-one exists at different concentrations in the different Proxel AB, GXL, CRL, XL2, XL, HL, TN, and in Mergal K-10.
  2. 1 2-Benzisothiazol-3(2H)-one antimicrobial agent.
  3. 1 2-Benzisothiazol-3(2H)-one preservative in cooling fluids, paints, adhesives paper and in the textile industry
  4. 1 2-Benzisothiazol-3(2H)-one an organic heterobicyclic compound based on a fused 1,2-thiazole and benzene bicyclic ring skeleton, with the S atom positioned adjacent to one of the positions of ring fusion.
  5. 1 2-Benzisothiazol-3(2H)-one  is an irritant and also a skin sensitizer. Occupational allergie contact dermatitis has been reported mainly related to the use of cutting oils and greases in paint manufacturers, pottery mouldmakers, acrylic emulsion manufacturers, plumbers, printers and lithoprinters, paper makers, an analyticallaboratory, a rubber factory, and in employees manufacturing air fresheners.

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Additive , Chemical Auxiliary & Catalyst , Organic Chemicals
  • Products/Service: Organic Intermediate,Inorganic Chemistry, APIs, Dyestuffs And Pigments, Fragrance And Spices, Food Additives
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

Get 1 2-Benzisothiazol-3(2H)-one Quotation

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