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 Structure formula Image 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 Safety Information according to GHS RTECS YR6250000 Storage class 10 - 13 Other liquids and solids WGK WGK 1 slightly water endangering Disposal 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. 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
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