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urea
Properties:
White shape crystallization or white powder. Melting point 132.7 °C (breakdown). Soluble in water, alcohol and benzene, slightly soluble in ether, insoluble in trichloromethane
Use:
Analytics reagents, stabilizer. Also used in organic synthesis.
Details:
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 |
We supply reagent grade pharmaceutical grade industrial grade. If you are interested in our products please contact me.
Urea anhydrous pharmaceutical grade