Benzotriazole is a heterocyclic compound containing three nitrogen atoms with the chemical formula C7H6N2. Benzotriazole is known primarily as an effective corrosion inhibitor for copper and its alloys. The appearance is white or slightly yellow with fine granules.

Chemical Name: Benzotriazole

Functions: Corrosion Inhibitor

CAS Number: 95-14-7

Chemical Family: Heterocyclic Compounds, Triazoles

Synonyms: 1,2,-Aminozophenylene, 1,2,3-Benzotriazole, 1,2,3-Triaza-1H-indene, 1H-Benzotriazole, 2,3-diazaindole, Azimidobenzene, Aziminobenzene, Benzene Azimide, Benzisotriazole

Technical Data Sheet

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Identification & Functionality

Chemical Name
Base Chemicals Functions
CASE Ingredients Functions

Applications & Uses

Compatible Substrates & Surfaces


Physical Form
White or slightly yellow ne granules
ValueUnitsTest Method / Conditions
Water Contentmax. 0.08%-
Melting Point98 - 99°C-
pH5.0 - 6.0--
o-Phenylenediaminemax. 10ppm-
Chlorides Contentmax. 20ppm-
Assay Contentmin. 99.8%-
Ash Contentmax. 0.02%-

Packaging & Availability

Packaging Type
Regional Availability
  • Global
Packaging Information

Benzotriazole Fine Granular 99% is packed in 25 kg (55.115 lb) fiber drums.