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Home > Organosulfur Compounds> Benzothioxanthene dicarboxylic anhydride
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Benzothioxanthene dicarboxylic anhydride

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Origin: China

Cas No: 14121-49-4

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 100 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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  • Products Specification
  • Product Description

  • Property

    CAS No.: 14121-49-4 Formula: C18H8O3S Molecular Weight: 304.31900

    Basic Info

    Chemical Name Benzothioxanthene dicarboxylic anhydride
    Synonyms

    4,10-benzothioxanthene-3,1'-dicarboxylic acid anhydride;
    benzo<k,l>thioxanthene-3,4-dicarboxylic anhydride;
    benzo[kl]thioxanthene-3,4-dicarboxylic acid anhydride;
    1h,3h-thioxantheno[2,1,9-def]-2-benzopyran-1,3-dione;
    thioxantheno[2,1,9-dej]isochromene-1,3-dione;
    BENZOTHIOANTHENEDICARBOXYLICANHYDRIDE;
    1H,3H-2-Oxa-6-thiabenzo[a]pyrene-1,3-dione;
    thioxantheno[2,1,9-def]isochromene-1,3-dione;
    benzothioxanthenedicarboxylic acid anhydride;

    CAS No. 14121-49-4
    Molecular Formula C18H8O3S
    Molecular Weight 304.31900
    PSA 75.52000
    LogP 4.11210

    Properties

    Density 1.56g/cm3
    Boiling Point 602.1ºC at 760mmHg
    Flash Point 331.4ºC
    Refractive Index 1.816
    Vapor Pressure 1.89E-14mmHg at 25°C

    Safety Info

    HS Code 2932999099

    Synthesis Route

    4-(2-aminophenyl)thio-1,8-naphthalic anhydride→Benzothioxanthene dicarboxylic anhydride
    4-Nitronaphthalene-1,8-dicarboxylic anhydride+2-Aminobenzenethiol→Benzothioxanthene dicarboxylic anhydride
    3-amino-4-phenylthio-1,8-naphthalic anhydride→Benzothioxanthene dicarboxylic anhydride+N-(N',N'-dimethylaminoethyl)benzo[b]thieno[2, 1-c]naphthalic anhydride

    Precursor

    4-Bromo-1,8-naphthalic Anhydride
    3-amino-4-phenylthio-1,8-naphthalic anhydride
    2-Aminobenzenethiol
    4-(2-aminophenyl)thio-1,8-naphthalic anhydride

    Downstream Product

    3-Methoxy-2-phenyl-1H-naphtho(2,1,8-mna)thioxanthen-1-one
    1-methoxy-2-phenyl-3H-naphto<2,1,8-mna>thioxanthene-3-one
    2-(3-Methoxypropyl)-1H-benzo[3,4]isothiochromeno[7,8,1-def]isoqui noline-1,3(2H)-dione

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