Urea USP,BP,JP
CAS:57-13-6
Molecular Formula:CH4N2Ol
Molecular Weight:60.06
Melting point:132-135C
Relative density:1.335g/ml at 25C(lit)
Test Item Limit Result
Residue ≤0.1% 0.018%
Melting range 132-135 oC conform
Alcohol-insoluble matter ≤0.04% 0.013%
Chloride ≤0.007% 0.0004%
Sulfate ≤0.010% 0.001%
Heavy matel ≤0.002% 0.001%
Assay 99.0%-100.5% 99.38%
Conclusion the about product complies with Usp31
Use in pharmaceutical
Urea USP,BP,JP