1,2,3-Benzotriazole (BTA) (BTA•Na)

CAS No.: 95-14-7; 15217-42-2
Type.: Water Treatment
Appearance: Powder/Liquid
Molecular Formula： --
Shelf Life： Six Months
Min Order Quantity: As Requirement

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BTA (1,2,3-Benzotriazole) is bitter, odorless, boiling point is 204℃ (15mmHg), soluble in alcohol, benzene、toluene、chloroform and dimethylformamide, and slightly soluble in water.

BTA•Na (Sodium salt of 1,2,3-Benzotriazole) can be absorbed on metal surface and form a thin film to protect copper and other metals.

BTA	Index
Appearance	White to light yellow needle-shape crystalloids or granular
Purity, %	99.5 min
Colour APHA (Hazen)	40.0 max
Moisture, %	0.1 max
Melting point, ℃	96.0 min
Ash content, %	0.03 max
pH	5.0-6.0

BTA•Na	Index
Appearance	Pale yellow to yellow transparent liquid
Solid content %	50.0 min
Density (20℃) g/cm³	1.20 min

1,2,3-Benzotriazole (BTA) (BTA•Na) is a kind of Water Treatment. Richest Group is a Leading Chemical Supplier/Manufacturer of Water Treatment for 10 years.
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Application:
1,2,3-Benzotriazole (BTA) is mainly used as rust-preventer, antifreezing liquid, antioxidant additive (including lubricating oil, hydraulic oil, brake oil, transformer's oil), emugent, water stabilizer, the additive for high molecular materials (polyester and polyesteramide) capacity of ultraviolet resistance and anti-static electricity, photographic antifogging agent, copper mine flotation, metal's slow corrosion etc.

Sodium salt of 1,2,3-Benzotriazole (BTA•Na) can be used together with many scale inhibitors and fungi disinfectants in circulating cool water system, and it has good corrosion inhibition effect in circulating cool water system.

The dosage of 2-4mg/l is preferred. BTA•Na can also be used as anti-discolor agent, coating additive and luboil