Urea CAS number: 57-13-6 EINECS number: 200-315-5 Formula: CH4N2O Molecular weight: 60.05 Density: 1.335 Melting point: 131-135 degrees Water-soluble: 1080 g/L (20 degrees) ITEM SPECIFICATION TEST RESULT Nitrogen 46.0% min 46.26% Biuret 1.5% max 0.05% Moisture 0.5 ppm max 0.46% Aresenic 50ppm max <0.50 Cadmium 10ppm max <0.05 Lead 100ppm max <0.25 Mercury 5ppm max <0.15 Choromium 500ppm max <0.25 Nickel 50ppm max <1.00 1. Prilled urea full soluble 2. Nitrogen 46%min Biuret1.0max 3. Moisture 0.5%max 4. Particle size 0.85-2.80mm 90%min 5. Timely delivery 6. Mostly used as nitrogen fertilizer in agriculture, also used as raw material in production of plastics, resins, coating, and medicine