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      日本性交电影_大香蕉在线精品_人妻久久黄视频_有码A级

      logo_Jiangsu Zhengdan Chemical Industry Co., Ltd.

      Stock code : 300641

      Hot products:Vinyltoluene (VT) , High-flash aromatic naphthas (SA) , Trimellitic anhydride (TMA)-White or yellowish Flake ,
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      1,2,4,5-Tetramethyl Benzene(Durene)

      Molecular formula:

      C10H14

      Structural formula:

       

      CAS No.:

      95-93-2

      Properties:

      Appearance: White crystal

      Density(25℃):0.838 g/cm3

      Flash point (closed cup):73℃

      Melting point(℃):79.24℃

      Boiling point :196-197℃

      Solubility: insoluble in water, soluble in ethanol, ether, benzene, acetone and other organic solvents.

      Applications:

      It is mainly used for the production of pyromellitic acid, pyromellitic dianhydride, polyimide resin, engineering plastics, polyimide films and fiber, plasticizer, surfactants, pharmaceutical and dye intermediates, etc.

      Packaging::

      25kg paper composite bags, 500kg or 1000kg interior woven bags.

      Quality index:

      Item

      Qualified Product

      Premium grade

      Appearance

      white crystals

      Purity, wt% ≥

      95

      98

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      日本性交电影_大香蕉在线精品_人妻久久黄视频_有码A级
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