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                              Changsha Jianglong Chemical Technology Co., Ltd.

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                              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.

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                              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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