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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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