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    1,2,3-Benzotriazole (BTA)

    CAS No.  95-14-7
    Molecular Formula:C6H5N3
    Molecular Weight: 119
    Specification:

    Items

    Index

    Appearance

    White to light yellow needle-shape crystalloids or granular

    Purity, %

    99.5 min

    Colour APHA (Hazen)

    40.0 max

    Moisture, %

    0.04 max

    Melting point, ℃

    96.0 min

    Ash content, %

    0.03 max

    pH

    5.0-6.0


    Properties and Usage:
    BTA is bitter, odorless, boiling point is 204℃ (15mmHg),soluble in alcohol, benzene、toluene、chloroform and dimethylformamide, and slightly soluble in water. It's 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.
    Package and Storage:
    plastic woven bag, 20Kg/bag or customers' requirement.
    Synonyms:
    BTA; 1,2,3-Benzotriazole;1,2-Aminoazophenylene;1,2,3-Triazaindene





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