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Benzisothiazolinone

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Abbreviations
  
BIT

Melting point
  
158 °C

Appearance
  
white powder

Formula
  
C7H5NOS

Solubility in water
  
1 kg/m³

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How to pronounce benzisothiazolinone


Benzisothiazolinone (BIT) is a widely used biocide and belongs to the group of isothiazolinones.

Contents

Usage

Benzisothiazolinone has a microbicide and a fungicide mode of action. It is widely used as a preservative, for example in:

  • emulsion paints, caulks, varnishes, adhesives, inks, and photographic processing solutions
  • home cleaning and car care products; laundry detergents, stain removers and fabric softeners;
  • industrial settings, for example in textile spin-finish solutions, leather processing solutions, preservation of fresh animal hides and skins
  • agriculture in pesticide formulations
  • gas and oil drilling in muds and packer fluids preservation.

    • In paints, it is commonly used as a mixture with methylisothiazolinone. Typical concentrations in products are 200–400 ppm depending on the application area and the combination with other biocides. According to a study in Switzerland, 19% of the paints, varnishes and coatings contained BIT in 2000. The fraction in adhesives, sealants, plasters and fillers was 25%.

    Health hazards

    It is known to be a toxic material for the human immune system, and is also classified as an irritant for the skin, eyes and lungs.

    Literature

  • Wilfried Paulus: Directory of Microbicides for the Protection of Materials and Processes. Springer Netherland, Berlin 2006, ISBN 1-4020-4861-0.

    • References

    Benzisothiazolinone Wikipedia
    (Text) CC BY-SA


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