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  • 利群化工

    liqun chemical

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    liqun chemical

    p-phenylene diisocyanate

    CAS NO. 104-49-4
    Molecular formula C8H4N2O2
    Molecular weight 160.1296
    Structural formula
    EC NO 203-207-6
    InChI InChI=1/C8H4N2O2/c11-5-9-7-1-2-8(4-3-7)10-6-12/h1-4H

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