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Synonym(s): BTA, 1H-Benzotriazole, 1,2,3-Benzotriazole, 1H-1,2,3-Benzotriazole
Description
Benzotriazole is a heterocyclic chemical. It is a fused ring structure with a benzene ring fused to a triazole ring, with both rings being aromatic. Benzotriazole, its inorganic salts, and its derivatives, are widely used as corrosion inhibitors, mainly for copper and its alloys, in many industries, such as water treatment and lubricants. Benzotriazole can also be used as a chemical intermediate to synthesize many products with significant applications, such as the synthesis of acylbenzotriazole and its derivatives.
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Specification
| Property |
Specification |
Typical Value |
| Appearance | White to off-white powder or flakes | White to off-white powder or flakes |
| Purity, % | 98.5 min | 99.0 |
| Water, % | 0.2 Max | 0.1 |
| Ash, % | 0.05 Max | < 0.05 |
| pH | 5.0-6.0 | 5.5 |
| Melting Point, °C | 96.0 – 99.0 | 97.0 – 98.0 |
Properties
| Chemical Formula | C6H5N3 |
| Molecular Weight | 119.13 |
| Appearance | White to off-white solid |
| Melting Point | 96 – 99 °C (205 – 210 °F) |
| Boiling Point | 350 °C (662 °F) |
| Density | 1.36 g/cm3 |
Applications
CG 601, Benzotriazole, can be used in many industries. The applications include, but are not limited to,
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Chemical Intermediate for multiple industries.
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Corrosion inhibitor for copper and brass.
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Rust preventative.
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Antioxidant.
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Emulsifier.
-
Antifogging agent.
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UV resistant agent.
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Used in water treatment, antifreeze fluids, and lubricants.
Manufacturing Process
Benzotriazole is typically produced with 1,2-phenylenediamine as the major raw material. A ring-closure reaction is achieved via a diazotization, using sodium nitrite as the reagent.
Chemical Reactions
Benzotriazole reacts with inorganic bases, such as sodium hydroxide, to form the salt of benzotriazole.
Benzotriazole reacts with bis (2-ethylhexyl) amine and formaldehyde to form the liquid derivative of benzotriazole, which is widely used as a corrosion inhibitor in lubricants and greases, due to its excellent compatibility and solubility in those systems.
Spectra
NMR

SDBS : https://sdbs.db.aist.go.jp/ , National Institute of Advanced Industrial Science and Technology, January 19th, 2025
IR

SDBS : https://sdbs.db.aist.go.jp/ , National Institute of Advanced Industrial Science and Technology, January 19th, 2025
Packaging
25 kg / bag
Other packaging available upon request
Documents
TDS
When can I expect my order to ship?
Most orders are filled and shipped within 2-3 business days from the time they are received.
Our standard shipping usually take 2-5 days.
We also provide express shippping for time-sensitive deliveries.
Email contact@biofargo.com if you have any requirements.

