Urea GR, 500g
Urea GR for analysis ACS,Reag. Ph Eur. CAS No. 57-13-6, EC Number 200-315-5.
Manufacturer: Merck
Catalog ID: 108487.0500
Stock: In Stock
Description
| Catalogue Number | 108487 |
| Replaces | UX0065-1 |
| Synonyms | Carbamide, Carbonyl diamide, Diaminomethanone, Carbonyldiamine |
Product Information
| CAS number | 57-13-6 |
| EC number | 200-315-5 |
| Grade | ACS,Reag. Ph Eur |
| Hill Formula | CH₄N₂O |
| Chemical formula | CO(NH₂)₂ |
| Molar Mass | 60.06 g/mol |
| HS Code | 3105 10 00 |
Applications
| Application | Urea GR for analysis ACS,Reag. Ph Eur. CAS No. 57-13-6, EC Number 200-315-5. |
Physicochemical Information
| Density | 1.34 g/cm3 (20 °C) |
| Melting Point | 133 °C |
| pH value | 9 (100 g/l, H₂O, 20 °C) |
| Vapor pressure | <0.1 hPa (20 °C) |
| Bulk density | 720 - 760 kg/m3 |
| Solubility | 1000 g/l |
Toxicological Information
| LD 50 oral | LD50 Rat 8471 mg/kg |
| LD 50 dermal | LD50 Rat 8200 mg/kg |
Storage and Shipping Information
| Storage | Store at +15°C to +30°C. |
Specifications
| Assay (ex N) | 99.0 - 100.5 % |
| Assay (ex N, calc. on dried substance) | 99.0 - 101.5 % |
| Purity (DSC (differential scanning calorimetry)) | ≥ 99.5 % |
| Identity (IR-spectrum) | passes test |
| Appearance of solution (10 %; Wasser; colour) | colourless |
| Appearance of solution (10 %; Wasser; clarity) | clear |
| In water insoluble matter | ≤ 0.003 % |
| Acidity, Alkalinity | ≤ 0.0005 meq/g |
| Melting point (DSC) | 132 - 135 °C |
| NH₄ (Ammonium) | ≤ 0.0500 % |
| Chloride (Cl) | ≤ 0.0005 % |
| Sulfate (SO₄) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0004 % |
| Biuret | ≤ 0.05 % |
| Sulfated ash (600 °C) | ≤ 0.005 % |
| Cu (Copper) | ≤ 0.0001 % |
| Fe (Iron) | ≤ 0.0001 % |
| Pb (Lead) | ≤ 0.0002 % |
| Loss on Drying (105°C) | ≤ 1.0 % |
| Corresponds to ACS, Reag. Ph Eur |
