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Technical data
- Melting Point:
- 135 °C
- Solubility:
- in water at 20°C
- Physical Description:
- solid
- Product Code:
- 191754
- Product Name:
- Urea crystalline (USP, BP, Ph. Eur.) pharma grade
- Quality Name:
- pharma grade
- Specifications:
- Assay (Ph. Eur.) (Deter. N) calc. a.d.s.: 98.5-101.5%
Assay (USP) (HPLC): 98.0-102.0%
Identity according to Pharmacopoeias:: passes test
Melting range: 132-134°C
Maximum limit of impurities
Appearance of solution: passes test
Alkalinity: passes test
Insoluble matter in C2H5OH: 0.04 %
Loss on drying at 105°C: 1.0%
Residue on ignition (as SO4): 0.1 %
Chloride (Cl): 0.007%
Ammonium (NH4): 0.05%
Sulfate (SO4): 0.010%
Residual solvents (Ph.Eur/USP): passes test
Biuret: 0.1%
Organic impurities:
Individual unspecified impurity: 0.1%
Total impurities: 2.0%
Related compound A: 0.1%
- WGK:
- 1
- Storage:
- Room Temperature.
- Master Name:
- Urea *crystal
- Synonyms Long Text:
- Carbamide, Carbonyldiamide
- EINECS:
- 200-315-5
- CS:
- 31021010
