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    2. Professional development and production of pharmaceutical intermediate products

      The main products are: rebamipide, 2,3-dibromo-2-butene-1,4-diol, 2-acetoxyisobutyryl chloride, ethyl silicate (condensation), anhydrous lithium bromide, a Methylamine methanol solution, tetradecyl trimethyl ammonium bromide.

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      changteng new pharmaceutical

      Hexadecyltrimethylammonium bromide
      Molecular formula:

      C19H42NBr

      Molecular weight:

      364.46

      CAS NO.:

      57-09-0

      Character:

      This product is a kind of quaternary ammonium salt, which is white or light yellow microcrystalline powder with pungent smell and hygroscopicity. It is easily soluble in ethyl / isopropyl alcohol and chloroform, soluble in 10 parts of water, slightly soluble in acetone, almost insoluble in ether and benzene, and stable in acid solution.

      Appearance:

      White or light yellow microcrystalline powder

      Content:

      ≥99%

      Melting point:

      240℃

      Loss on drying:

      ≤0.5%

      Purpose:

      This product is natural, synthetic rubber, silicone oil, asphalt emulsifier and surfactant.

      Storage instructions:

      Keep containers sealed, store in a cool, dry place, and avoid contact with oxides and moisture.

       

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