Urea or carbamide (from the Greek word Ουρία) is an organic compound with the chemical formula CO(NH2)2. The molecule has two -NH2 groups joined by a carbonyl (C=O) functional group.
| Urea, Molecular Biology - Specification | |
| Synonyms | Carbamide, Carbonyldiamide |
| Grade | Molecular Biology |
| Categories | Laboratory chemicals,Reagents for molecular biology |
| HSN Code | 31021000 |
| Purity | 99.5% |
| Assay | ≥99.5% |
| Appearance (Form) | Powder, chunks or granules |
| Appearance (Colour) | White |
| Melting point | 293 °C(lit.) |
| pH | 7.5-10.5 (20° C) |
| Urea, ACS Reagent - Specification | |
| Synonyms | Carbamide, Carbonyldiamide |
| Categories | Essential chemicals, Research essentials chemicals |
| Assay | 99.0-100.5% |
| Appearance (Form) | Powder, crystals, or granules |
| Appearance (Colour) | White |
| Melting point | 132-135 °C(lit.) |
| Density | 1.335 g/mL at 25 °C(lit.) |
| HSN Code | 31021000 |
| Urea, Synthesis - Specification | |
| Synonyms | Carbamide, Carbonyldiamide |
| Grade | Synthesis |
| Categories | Essential chemicals, Research essentials chemicals |
| Assay | 99% |
| Appearance (Form) | Powder, crystals, or granules |
| Appearance (Colour) | White |
| Melting point | 132-135 °C(lit.) |
| Density | 1.335 g/mL at 25 °C(lit.) |
| HSN Code | 31021000 |
| Urea, GR - Specification | |
| Synonyms | Carbamide, Carbonyldiamide,Urea |
| Grade | AR / GR |
| Categories | Essential chemicals, Research essentials chemicals |
| Assay | 99%+ |
| Appearance (Form) | Powder, chunks or granules |
| Appearance (Colour) | White |
| Melting point | 132-135 °C(lit.) |
| Density | 1.335 g/mL at 25 °C(lit.) |
| HSN Code | 31021000 |
| Urea, Extra Pure - Specification | |
| Grade | Extra Pure |
| Assay | Min. 99.0% |
| Appearance (Form) | Crystalline powder |
| Appearance(Colour) | White |
| Solubility in water (% weight) | 480 g/l at 20˚C (Completely soluble) |
| Melting point | 131 – 134°C |
| Sulphated ash | Max. 0.1% |
| Chloride (Cl) | Max. 0.002% |
| Sulphate (SO4) | Max. 0.05% |
| HSN Code | 31021000 |