好大好硬快点受不了了

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  • 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.


    好大好硬快点受不了了
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