Specifications of prilled urea n 46 % Nitrogen: 46% minimum Moisture: 0.3% max Free Ammonia: 160 PXT PPM maximum Biuret: 1% maximum Structure: Prilled Free flowing, treated against caking Harmful Substances: 100% free from harmful substances Melting Point: 132 degrees Celsius Granulation: 1-4 mm 90% minimum Color: Pure White Odour: Odourless Boiling: Decomposes before boiling Radiation: Non radioactive Physical State: Solid @ 20¦C, 101 KPA white granules Specific Gravity: Solid @20¦C, -1.335 t/m¦ Floatability: In Water Sinks and Mixes Molecular Weight: 60.065 Packed in sacs of 50Kgs, or bulks of 1/1.5/2 Metric ton (Buyer's choice)