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          Products
          Tetrachlorophthalic Anhydride(TCPA)
          【Product Name】Tetrachlorophthalic Anhydride(TCPA)
           
          【Product details】

          Molecular formula: C8Cl4O3
          CAS NO.: 117-08-8
          Product Application: For medicine, painws, dyes, flame retardants and so on.
          Specification:

          Item

          Index

          Fine product

          Superior grade

          First grade

          Second grade

          Qualified product

          Appearance

          White crystal or powder

          Purity/%≥

          Gas phase chromatography

          99.0

          99.0

          99.0

          Liquid phase chromatography

          98.5

          99.0

          Melting point/℃≥

          256.0

          255.5~258.0

          256.0~258.0

          255.5~258.0

          255.5~258.0

          Drying loss/%≤

          0.50

          0.50

          0.50

          0.50

          Solubility in xylene/%

          100

          100

          100

          Chroma≤

          in Xylene

          50

          150

          in Methanol

          150

          In ethanol

          10

          Free acid/%≤

          0.50

          0.50

          0.50

          0.50

          Free chlorine/%≤

          0.001
          (10ppm)

          0.001
          (10ppm)

          0.001
          (10ppm)

          0.001
          (10ppm)

          Iron content/ppm≤

          30

          10

          10

          10

          Alkali insoluble/%≤

          0.50

          Hexachlorobenzene/%≤

          0.015
          (150ppm)

          0.100
          (1000ppm)

          0.100
          (1000ppm)

          0.100
          (1000ppm)

          Sulfate /%≤

          0.010
          (100ppm)

          Tetrachloride phthalic acid
          /%≤

          0.7

          Water/%≤

          0.04

          Package:Lining plastic woven bag,  net wt:25kg.  

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