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tetrachlorophthalic anhydride

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Origin: China

Cas No: 117-08-8

Specification: 99%min

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 117-08-8 Formula: C8Cl4O3 Molecular Weight: 285.89600

    Description

    Tetrachlorophthalic Anhydride is used in the synthesis of nucleoside analogues with a specific structure as apoptosis inducing active compounds. Also used in the synthesis of carbonic anhydrase inhbitors.

    Basic Info

    Chemical Name tetrachlorophthalic anhydride
    Synonyms

    4,5,6,7-Tetrachloro-1,3-isobenzofurandione;
    1,3-Isobenzofurandione, 4,5,6,7-tetrachloro-;
    4,5,6,7-tetrachloro-2-benzofuran-1,3-dione;
    Tetrachlorophthalic Anhydride;

    CAS No. 117-08-8
    Molecular Formula C8Cl4O3
    Molecular Weight 285.89600
    PSA 43.37000
    LogP 3.61080

    Properties

    Appearance & Physical State white crystalline powder
    Density 1.49
    Boiling Point 371ºC
    Melting Point 254-258ºC
    Flash Point 362ºC
    Refractive Index 1.656
    Water Solubility 0.8 mg/L (21 ºC)
    Stability Stable. Reacts with water. Combustible. Incompatible with strong oxidizing agents. Air and moisture sensitive.
    Storage Condition Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
    Vapor Pressure 0.16 mm Hg ( 145 °C)

    Safety Info

    RTECS TI3450000
    Hazard Class 9
    Safety Statements S22-S24-S26-S37/39-S53-S60-S61
    HS Code 2917399090
    Packing Group III
    WGK Germany 2
    RIDADR UN 3077 9/PG 3
    Risk Statements R41; R42/43; R45; R50/53
    Hazard Codes T
    Hazard Declaration H317; H318; H334; H350; H373; H410
    Caution Statement P201; P261; P273; P280; P305 + P351 + P338; P308 + P313
    Signal Word Danger
    Symbol GHS05, GHS08, GHS09

    Synthesis Route

    tetrachloro-phthalic acid-anhydride, compound with acenaphthene→tetrachlorophthalic anhydride+acenaphthene
    hexamethylbenzene*tetrachlorophtalic anhydride→hexamethylbenzene+tetrachlorophthalic anhydride
    phthalic anhydride→tetrachlorophthalic anhydride

    GC Analysis

    Column type Active phase Temperature (°C) Retention Index (I) Temperature Control Method
    Capillary Polydimethyl siloxane - 2029. temperature ramp

    Precursor

    3,4,5,6-Tetrachlorphthalsaeure-bis(4-chlorphenyl)ester
    Perchlor-bicyclo[4.2.0]octatrien-(1.5.7)
    Tetrachlorophthalic Acid
    naphthalene

    Downstream Product

    4,5,6,7-tetrachloro-2-phenylisoindole-1,3-dione
    methyl 2,3,4,5-tetrachlorobenzoate
    4,5,6,7-tetrachloroindene-1,3-dione
    4,5,6,7-tetrafluoro-2-methylisoindole-1,3-dione

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