1,2,3 Benzotriazole (BTA)

Formula: C6H5N3
CAS No.: 95-14-7
EINECS/ELINCS No.: 202-394-1
Synonyms: 1-H Benzotriazole; 1,2,3-Benzotriazole; Azimidobenzene; Benzisotriazole; benzene azimide; 1,2,3-triaza-1H-indene; aziminobenzene; 1,2-aminoazophenylene; 2,3-diazaindole; 1,2,3-triazaindene

1,2,3 Benzotriazole (BTA)

The 1,2,3 Benzotriazole is being produced at our partner Nantong Botao in Rugao/China. It is one of the most effective corrosion inhibitors for copper and copper alloy used in various industries. Further positive effects can be seen in protection of steel, grey iron, Cadmium and Nickel.



  • cooling water systems / industrial water treatment
  • industrial lubricants (e.g. drilling and cutting fluids)
  • dishwashing tablets (silver protection)
  • metal detergents and polishing
  • coolants
  • VCI papers / metal packaging
  • antifogging agent (photo)


Grades available:

  • Granular
  • Fine granular
  • Flake
  • Crystal


Packaging & Shelf Life:

  • bags of 25kg
  • big bags / super sacks of 500kg
  • iron or plastic drums of 100kg
  • others on request

Under proper storage conditions the shelf life is 24 months


Health & Safety:

Detailed information on the product can be found in our Material Safety Data Sheet

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Product manager

Thomas Volkerts

Phone: +49 2102 2077-12
Contact: Send E-Mail
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