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Urea ≥99.5%, Electran for electrophoresis

Supplier: VWR Chemicals
Synonyms: CarbamideCarbonyldiamide

Formula: NH₂CONH₂
MW: 60,06 g/mol
Boiling Pt: 197 °C (1013 hPa)
Melting Pt: 132,7 °C
Density: 1,34 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00008022
CAS Number: 57-13-6
EINECS: 200-315-5
REACH: 01-2119463277-33
Merck Index: 12,10005
Specification Test Results
Assay Min. 99.5 %
Cyanate (as OCN) Not detected
DNases (exo- and endonucleases) Not detected
Proteases Not detected
RNases Not detected
Melting point Max. 134 °C
Biuret Max. 0.05 %
Ignition residue (SO4) Max. 0.01 %
Cl (Chloride) Max. 5 ppm
CN (Cyanide) Max. 0.01 ppm
NH4 (Ammonium) Max. 0.1 ppm
SO4 (Sulphate) Max. 10 ppm
Cu (Copper) Max. 0.3 ppm
Fe (Iron) Max. 0.3 ppm
Pb (Lead) Max. 1.7 ppm
Absorbance (260 nm) (5 mol/l) Max. 0.05
Absorbance (280 nm) (5 mol/l) Max. 0.04



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Pack type Pk VWR Catalog Number Quantity
Plastic bottle 5 kg 443877J
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Plastic bottle 500 g 443874G
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Plastic bottle 2,5 kg 443876Y
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