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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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      直拍偷拍 欧美_看91黄色的色色的视频_成人中出在线17c_亚洲 AV 色情无码
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