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    Langfang Naco New Material(Chemical Reagent Department)
    Professional production base of general chemical reagent and pharmaceutical accessories
    Hotline:+86-15076659665
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    Urea

    Urea

    Molecular formula: CH4N2O
    Molecular weight: 60.06
    Properties: White column or white powder. Melting point is 132.7℃ (breaks down). Soluble in water, ethyl alcohol and benzene, slightly soluble in ether, insoluble in trichloromethane.
    Uses: As analytical reagent and stabilzier. It can be used in organic synthesis.
    Standard: The maximum content of impurities is in percentage content

    Standard/item

    Analytical pure-AR

    Chemical pure-CP

    Assay /%

    ≥99.0

    ≥99.0

    Clarity test

    Qualified

    Qualified

    Water insoluble matter/%

    ≤0.005

    ≤0.02

    Ignition residue (Sulfate)

    ≤0.01

    ≤0.02

    Chloride(Cl)

    ≤0.0005

    ≤0.001

    Sulfate(SO4)

    ≤0.001

    ≤0.005

    Ammonia (NH4)

    ≤0.005

    ≤0.005

    Iron (Fe)

    ≤0.0002

    ≤0.0005

    Heavy metal(Pb)

    ≤0.0002

    ≤0.0005

    Biuret (C2H5N3O2)

    ≤0.2

    ≤0.4

    Packing: Woven bag, kraft bag or fiber drum lined with plastic, net weight is 25kg.

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