Article No. 06450
Purity 99.5%
Molecular Formula NH2CO.NH2
H.S. Code 3102.1000
Grade AR
CAS No. 57-13-6
Molecular Weight 60.06
Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour White crystalline
pH value 7.5 - 9.5 at 480 g/l at 25 °C Melting point/ Freezing point [°C] 132 - 135 °C
Vapour pressure [20°C] 0.009 hPa at 20 °C Vapour density 2.07
Density [g/cm3] 1.335 Solubility in water [% weight] 480 g/l at 20 °C - completely soluble
Partition coefficient Log Pow octanol / water at 20°C -2.59

Specifications

Appearance White granules or crystalline powder Assay Min 99.5%
Melting point 132 - 133°C Insoluble matter Max 0.003%
Acidity Max 0.05 ml N% Alkalinity Max 0.05 ml N%
Sulphated ash Max 0.005% Chloride (Cl) Max 0.0005%
Sulphate (SO4) Max 0.001% Copper (Cu) Max 0.0001%
Iron (Fe) Max 0.0001% Lead (Pb) Max 0.0002%
Biuret (C2H5N3O2) Max 0.1%