Urea 46 1.Nitrogen: 46.0% Min 2.Biuret: 1.0% Max 3.Moisture: 0.5% Max 4.Size:0.85-2.8mm(90%min) 5.Manufacturer,Factory , 6.Certificate:BV,SGS,Intertek, ISO9001:2008 CAS:57-13-6 Molecular Formula:CH4N2Ol Molecular Weight:60.06 Melting point:132-135C Relative density:1.335g/ml at 25C(lit)