Benzisothiazolinone (BIT) an isothiazolinone

What else is BENZISOTHIAZOLINONE called?

This chemical can be identified by different names, including:

1,2-Benzisothiazol-3(2H)-one, Proxel, Benzisothiazol-3(2H)-one, Proxel XL, Benzothiazolin-2-one, Proxil, Benzisothiazolin-3-one, IPX, Proxan

This may not be a complete list as manufacturers introduce and delete chemicals from their product lines.

Product name: Benzisothiazolinone (BIT)

CAS Number: 2634-33-5

Chem/IUPAC Name: 1,2-Benzisothiazol-3(2H)-one

EINECS/ELINCS No: 220-120-9

Purity: 99% min;

Benzisothiazolinone (BIT) is an organic compound widely used as an industrial and domestic preservative and antimicrobial agent, found in paints, cleaning products, adhesives, and other household items to prevent the growth of bacteria and fungi.

What it is?

Benzisothiazolinone (BIT) is an isothiazolinone, a class of organic molecules used as preservatives and antimicrobial agents. Its chemical formula is C7H5NOS. It is a white solid that acts as a biocide and fungicide to control bacterial and fungal growth.

Benzisothiazolinone is used in cosmetics as a preservative and biocide. It exhibits broad-spectrum antimicrobial activity against bacteria, fungi, and yeast, making it effective in various formulations, particularly those that are water-based. It also stabilizes formulations by preventing the degradation of active ingredients. In its raw form, Benzisothiazolinone appears as a white to off-white crystalline powder with a subtle aromatic odor that is not overpowering in formulations. It is commonly found in products like moisturizers, shampoos, makeup products, and sunscreens.

Where it's found

Paints and coatings: Found in water-based paints, varnishes, stains, and printing inks.

Household products: Used in cleaning products, laundry detergents, fabric softeners, and dish soap.

Adhesives and sealants: Included in various types of glues and binding agents.

Industrial products: Utilized in metalworking fluids, cooling fluids, and paper and leather production.

Other applications: Also found in wood preservatives, tattoo inks, and certain veterinary products.