Urea
NH2CONH2
Formula Wt 60.06
CAS Number 57-13-6
REQUIREMENTS
Assay | 99.0-100.5% |
Melting point | 132-135C |
MAXIMUM ALLOWABLE
Insoluble matter | 0.01% |
Residue after ignition | 0.01% |
Chloride (Cl) | 5 ppm |
Sulfate (SO4) | 0.001% |
Heavy metals (as Pb) | 0.001% |
Iron (Fe) | 0.001% |