Alfa Aesar™ 4,4'-Difluorobenzil, 99%

Manufacturer: Alfa Aesar™ A1155003

Quantity 1g

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Catalog No. AAA1155003

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    Chemical Identifiers

    CAS 579-39-5
    Molecular Formula C14H8F2O2
    Formula Weight 246.22g/mol
    MDL Number MFCD00134541
    Beilstein 1971736
    Synonym 4,4'-Difluorodibenzoyl
    Chemical Name or Material 4,4'-Difluorobenzil

    Specifications

    Melting Point 120° to 122°C
    Quantity 1g
    CAS 579-39-5
    Molecular Formula C14H8F2O2
    Formula Weight 246.22g/mol
    MDL Number MFCD00134541
    Beilstein 1971736
    Synonym 4,4'-Difluorodibenzoyl
    Health Hazard 1 Warning
    Health Hazard 2 GHS H Statement
    H315-H319-H335
    Causes skin irritation.
    Causes serious eye irritation.
    May cause respiratory irritation.
    Health Hazard 3 GHS P Statement
    P261-P280-P305+P351+P338-P304+P340-P405-P501a
    Avoid breathing dust/fume/gas/mist/vapors/spray.
    Wear protective gloves/protective clothing/eye protection/face protection.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
    Continue rinsing.
    IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
    Store locked up.
    Dispose of contents/container in accordance with local/regional/national/international regulations.
    TSCA TSCA
    Chemical Name or Material 4,4'-Difluorobenzil
    Assay 99%

    Description

    Applications
    4,4 ft.-Difluorobenzil is used in the preparation of 2,3-bis(4-fluorophenyl)thieno[3,4-b]pyrazine. It is also used in the synthesis of poly(ether-α-diketone)s, via nucleophilic substitution reaction with bisphenol A, 4,4 ft.-difluoro-2,3-diphenylpyrazine (DPPF) and 4,4 ft.-difluoro-5-methyl 2,3-diphenylpyrazine (MDPPF), via direct condensation with ethylenediamine and 1,2-diaminopropane, respectively, 2,3-bis(4-fluorophenyl)quinoxaline, via direct condensation with 1,2-phenylenediamine.

    Solubility
    Soluble in water.

    Notes
    Store in a cool, dry, well-ventilated area away from incompatible substances such as oxidizing agents.

    GHS H Statement
    H315-H319-H335
    Causes skin irritation.
    Causes serious eye irritation.
    May cause respiratory irritation.

    GHS P Statement
    P261-P280-P305+P351+P338-P304+P340-P405-P501a
    Avoid breathing dust/fume/gas/mist/vapors/spray.
    Wear protective gloves/protective clothing/eye protection/face protection.
    IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do.
    Continue rinsing.
    IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
    Store locked up.
    Dispose of contents/container in accordance with local/regional/national/international regulations.

    Warning

    SDS & Safety Documents

  • Description & Specifications
  • Safety and Handling

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