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        2. Welcom to Changsha Jianglong Chemical Technology Co., Ltd.!
          中文|English

          Changsha Jianglong Chemical Technology Co., Ltd.

          Products
          Contact Us

          Changsha Jianglong Chemical Technology Co., Ltd.

          Mobile phone:+86-13517495809 Mr.Tan

          Tel:+86-731-83998537/83998545

          Fax:+86-731-89922183

          Add:No.36,Wangjiawan,Zuojialong,Yuelu District,Changsha City,Hunan Province,China.

          Products

          Phthalic anhydride

          Phthalic anhydride

          Molecular formula:C8H4O3

          Molecular weight:148.12

          Quality standard:(GB/T15336-94)

           

          Name Indicators
          Excellent First class Qualified
          Appearance White flake or crystalline powder The other shades of white microstrip flake or crystalline powder
          Melt chroma(Pt - Co)≤ 20 50 100
          Thermal stability chroma(Platinum - Cobalt)≤ 50 150 --
          Crystallization point℃ ≥ 130.5 130.3 130.0
          Purity% ≥ 99.5 99.5 99.0
          Free acid content ≤ 0.5 0.5 0.5
          Ash % ≤ 0.05 -- --

           

          The main physical and chemical properties:White flaky crystalline powder, melting point 130.5℃, Solid Ratio (4℃): 1.527 insoluble in water and ether, with a general organic acid anhydride Chemical properties.

          Use:This product is mainly used in the production of phthalate plasticizers can also be used for unsaturated polyester resins - alkyd resins, saccharin, plastics, paints, dyes and pharmaceutical industries.

          Packaging:25kg, 50kg packaging polypropylene woven bag lined with PVC

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