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Urea
CH
4
N
2
O
CAS-No: 57-13-6
EC-No: 200-315-5
EC index No: -
M= 60.06 g/mol
Vapor Pressure: <0.01 hPa (20°C)
Specific density: 1.34 g/cm
3
(20°C)
Flash point: not applicable
Soluble in H
2
O 1000 g/l (20°C)
pH value 9 (100 g/l, H
2
O, 20°C)
Melting point: 133°C
Bulk density: 720 - 760 kg/m
3
Boiling point: -
Ignition temperature: not applicable
Explosive limit: not applicable
Viscosity kinematic: -
-
H-STATEMENT/EUH: -
Test Type: LD 50 oral rat; LD 50 dermal rat
Results: 8471 mg/kg ; >3200 mg/kg
HS-CODE: 3105 10 00
LGK: 10-13
Disposal: 3
WGK: 1 UN: -
978.015
Urea
-
Crystal GR for analysis ACS
Specification
Assay (DSC)
99.5 %
Identity (IR-spectrum)
passes test
Appearance
passes test
Appearance of solution
passes test
In water insoluble matter
0.005 %
Acidity (as HCl)
0.002 %
Alkalinity (as NaOH)
0.01 %
Ammonium (NH
4
)
0.00001 %
Chloride (Cl)
0.0005 %
Sulfate (SO
4
)
0.001 %
Heavy metals (as Pb)
0.0004 %
Biuret
0.05 %
Residue on ignition (800 ºC)
0.01 %
Cu (Copper)
0.0002 %
Cyanides (CN)
0.000001 %
Fe (Iron)
0.00002 %
DNases, RNases, Proteases non detected
Absorbance of an aqueous solution
8 M in a 1 cm cell at 260 nm
0.1 AU
absorbance of an aqueous solution
8 M in a 1 cm cell at 280 nm
0.1 AU
catalogue
number
978.015.0500
978.015.1000
packing
specs
plastic bottle
plastic bottle
pack
in box
6 pieces
6 pieces
weight
in pack
500 g
1 kg