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            Shaoxing Huawei Chemical Co.,Ltd.
            Main products
            · Triphenylphosphine
            · Tetrachlorophthalic Anhydride
            · p-Cresol
            · Sodium sulfite
            · Sulfuric acid
            contact us
            · Binhai:Shaoxing Huawei Chemical Co.,Ltd.
            · Tel: +86-575-85620368   13957559832
            · Paojiang:Shaoxing Huali Fine Chemical Co., Ltd.
            · Tel: +86-575-85726755   13867572782
            · Pingshui:Shaoxing Huawei Chemical Co., Ltd.
            · Tel: +86-575-85767147   13505751287
            · E-mail: sales@huaweichemical.com
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            Tetrachlorophthalic anhydride

            【English name】:Tetrachlorophthalic Anhydride
            【English initial】:TCPA
            【Chinese name】:Tetrachlorophthalic anhydride
            【Chinese alias】:Tetrachlorophthalic anhydride
            【CAS】:117-08-8
            【Molecular formula】:C8Cl4O3
            【Relative molecular weight】:285.9
            【Product quality】
            Tetrachlorophthalic anhydride
            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

            【Packing】:Lining plastic woven bag, nwt 25kg.
            【Use】:For medicine, painws, dyes, flame retardants and so on.

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