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Organic Chemicals

Urea AR

RA002680 CAS 57-13-6 AR

Identity

Product code
RA002680
CAS number
57-13-6
Grade
AR
Purity
99.5%
Molecular formula
NH2CO.NH2
Molecular weight
60.06

Classification

Technical Data

Properties

PropertyValueUnit
Physical state at 20 °C Solid —
Colour White crystalline —
pH value 7.5 - 9.5 —
Melting point/ Freezing point [°C] 132 - 135 °C °C
Vapour pressure [20°C] 0.009 hPa hPa
Vapour density 2.07 —
Density [g/cm3] 1.335 g/cm3 g/cm3
Partition coefficient Log Pow octanol / water at 20°C -2.59 —

These are recorded catalogue property values. Product specification limits, where available, are listed under Specifications.

Specifications

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

3 grades of this substance are listed. Each grade is a separate product with its own specifications, pack sizes and documents.

Packaging

Pack size SKU
25 kg RA002680-PK-25KG
500 g RA002680-PK-500G
50 kg RA002680-PK-50KG