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Langfang Tianke Biotechnology Co., Ltd.
Langfang Tianke Biotechnology
Professional production base of general chemical reagent and pharmaceutical accessories
Hotline:+86-15076659665
Products
Products
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 /百分比

≥99.0

≥99.0

Clarity test

Qualified

Qualified

Water insoluble matter/百分比

≤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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Langfang Tianke Biotechnology Co., Ltd.
Add: Sanghang Industrial Park, Dacheng County,
Hebei, China
Tel:+86-15076659665 Manager Ma
Fax:+86-316-5569332?
E-mail:ytty08@163.com
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