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SZSE：002741
Chemical Reagents
  • CAS No.：57-13-6
  • Molecular weight：60.06
  • Aliases：carbamide；ureophil
  • Molecular formula：CH4N2O
  • EC No.：200-315-5
  • HS-No：31021010
Information
Specification category：
Product No. Product name specifications
1.20601.010 Urea AR500g
1.20601.020 Urea AR5kg×6
1.20601.030 Urea CP500g
1.20601.040 Urea CP25kg
1.20601.050 Urea AR25kg
1.20601.090 Urea AR4200g/Sack
1.20601.100 Urea AR25kg
1.20601.100 Urea AR25KG
1.20601.110 Urea AR25kg
Characteristic： Appearance and properties: white crystal or powder, the smell of ammonia.
Relative density: 1.335
Melting point(℃): 132.7
Boiling point(℃): (decomposition)
Solubility: soluble in water, methanol, ethanol, slightly soluble in ether, chloroform, benzene.
Heat of combustion (kJ / mol): meaningless
Technical indicators：
Item AR CP
Assay (H2NCONH2) ≥99.0% ≥99.0%
Clarity of solution ≤2 ≤4
Insoluble matter in water ≤0.005% ≤0.02%
Residue on ignition(as SO4) ≤0.01% ≤0.02%
Chloride(Cl) ≤0.0003% ≤0.001%
Sulfate(SO4) ≤0.001% ≤0.005%
Ammonia(NH3) ≤0.005% ≤0.005%
Iron(Fe) ≤0.0002% ≤0.0005%
Heavy metals(as Pb) ≤0.0002% ≤0.0005%
Biuret(C2H5N3O2) ≤0.2% ≤0.4%
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