好大好硬快点受不了了

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  • sell 9,9-bis(4-aminophenyl)fluorene;4,4'-(9-fluorenylidene)dianiline

    9,9-bis(4-aminophenyl)fluorene be used for preparation of high-strength material and high-temperature polymers.

    4,4'-(9-fluorenylidene)dianiline

    Synonyms:9,9-bis(4-aminophenyl)fluorene;

    bisaminophenylfluorene

    Molecular Formula:C25H20N2

    Molecular Weight:348.44

    CAS:15499-84-0

    Melting point:237-239 oC

    Purity:99%

    9,9-bis(4-aminophenyl)fluorene be used for preparation of high-strength material and high-temperature polymers.


    好大好硬快点受不了了
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