Urea - 15604H
Code: 15604H
Urea
meets analytical specification of Ph. Eur., BP, USP, 99.0-100.5%, 99.0-101.0% (calc. on dry substance)
meets analytical specification of Ph. Eur., BP, USP, 99.0-100.5%, 99.0-101.0% (calc. on dry substance)
CAS Number: 57-13-6
| Property |
Value |
| Identity |
complying |
| Assay |
99.0 - 100.5 % |
| Assay (calculated to the dried substance) |
99.0 - 101.0 % |
| Melting range |
132 - 135 °C |
| Insoluble in Ethanol |
max. 0.04 % |
| Loss on drying (105°C, 1 h) |
max. 1.0 % |
| Sulfated ash |
max. 0.1 % |
| Ammonium (NH4) |
max. 0.05 % |
| Alkalinely reacting substances |
complying |
| Iron (Fe) |
max. 0.00005 % |
| Heavy metals (as Pb) |
max. 0.001 % |
| Chloride (Cl) |
max. 0.001 % |
| Sulfate (SO4) |
max. 0.005 % |
| Biuret (carbamylurea) |
max. 0.1 % |
| Residual solvents |
complying |
| Appearance of the solution |
complying |
| Property |
Value |
| Freezing point |
133 - 134 °C |
| Density |
1.32 g/cm3 |