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Urea

57-13-6

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Description

Urea

Molecular formula: CH4N2O
CAS: 57-13-6
Appearance: White powder
Properties:
White shape crystallization or white powder. Melting point 132.7 degree (breakdown). Soluble in water, alcohol and benzene, slightly soluble in ether, insoluble in trichloromethane
Use:
Analytics reagents, stabilizer. Also used in organic synthesis.
We supply reagent grade pharmaceutical grade industrial grade. If you are interested in our products please contact me.

Test item Specification
Reagent grade Pharmaceutical grade
Appearance Conform Conform
Assay ≥ 99.0 ≥ 99.0
Clarity test Conform Conform
Water insoluble/% ≤ 0.005 ≤ 0.02
Ignition residue/% ≤ 0.01 ≤ 0.02
Chloride (Cl)/% ≤ 0.0003 ≤ 0.001
Sulfate (SO4)/% ≤ 0.001 ≤ 0.005
Ammonia (NH4)/% ≤ 0.005 ≤ 0.005
Ferric (Fe) /% ≤ 0.0002 ≤ 0.0005
Heavy metal(Pb) /% ≤ 0.0002 ≤ 0.0005
C2H5N3O2 /% ≤ 0.2 ≤ 0.4

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