Benzotriazole, or BTA, is a corrosion inhibitor for copper and copper alloys. It forms a protective film on metal surfaces in cooling-water systems and antifreeze. Other applications include lubricants and metalworking fluids. It also serves as an intermediate for ultraviolet stabilisers. The material is an odourless, white to light brown crystalline powder. The recorded grade is technical. Packaging formats include 25 kg bags and 25 kg fibre drums.
Full specification
- Molecular formula
- C6H5N3
- Grades
- technical
- Packaging
- 25 kg bag · 25 kg fibre drum
- Appearance
- White to light brown crystalline powder or flakes
- Synonyms
- BTA · CAS 95-14-7 · 95-14-7 · benzotriazole · 1H-benzotriazole · 1,2,3-benzotriazole · azimidobenzene · corrosion inhibitor · 202-394-1
Compliance & regulatory
Region: EU — Chemotto S.r.l., Milano
- REACH-aligned supply
- CLP-labelled
REACH REACHRegistration, Evaluation, Authorisation and Restriction of Chemicals — the EU chemicals regulation (EC 1907/2006). CLP CLPClassification, Labelling and Packaging — the EU regulation (EC 1272/2008) for hazard communication. SVHC SVHCSubstance of Very High Concern — flagged on the REACH Candidate List for possible authorisation or restriction.
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