BTA
1,2,3-Benzotriazole (BTA)
CAS NO95-14-7
Mol. WT.119.0
Mol. FormulaC6H5N3
Structure
- Properties
- Specification
- Usage
- Safety
- Package&Storage
Pure BTA is white to pale yellow needle-shape crystalloids, with melting point of 98.5℃ and boiling point of 204℃ (15mmHg), slightly soluble in water, soluble in such organic solvent as alcohol, benzene、toluene、chloroform etc.
Items |
BTA |
Appearance |
Pale yellow needle-shape crystalloids |
Purity, % |
99.0 min |
BTA has good corrosion inhibition on copper, copper alloy, silver and silver alloy, and is mainly used as volatile corrosion inhibitor for copper and copper alloy, circulating water treatment agent, anti-rust oil, automobile antifreeze, photographic antifoggant, polymer stabilizer, plant growth regulators, lubricant additives etc.
BTA can also be used as chrome-fog depressant in chromium plating industry to prevent the harm of chromium fog and increase the surface radiance of the plating piece.
As a good ultraviolet absorbent with the absorbing wavelengths of 290-390nm, BTA can be used as additives for outdoor coatings to prevent the coatings from fading due to the UV radiation.
Avoid contact with eye and skin. In case of contact, flush with water immediately.
BTA: 25kg net in compound plastic woven bag.
Storage for six months in shady, dry and cool place.