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  1. <track id="qrl47"></track><acronym id="qrl47"><strong id="qrl47"></strong></acronym>

  2. sell 4,4'-(hexafluoroisopropylidene)diphthalic anhydride; 2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane; 6FDA

    4,4'-(hexafluoroisopropylidene)diphthalic anhydride2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropaneMolecular Formula: C19H6F6O6Molecular Weight: 444.24CAS Registry Number: 1107-00-2EINECS &nbs

    4,4'-(hexafluoroisopropylidene)diphthalic anhydride

    2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane

    Molecular Formula: C19H6F6O6

    Molecular Weight: 444.24

    CAS Registry Number: 1107-00-2

    EINECS  214-170-0

    Melting point  244-247 oC

    Purity: 99.5%

    4,4'-(hexafluoroisopropylidene)diphthalic anhydride (2,2-bis(3,4-anhydrodicarboxyphenyl)hexafluoropropane) be used for the preparation of a polyimide material.


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