Urea ≥99.5%, Ultrapure for molecular biology

Supplier: Thermo Scientific

Synonyms: Carbonyl diamide, Carbamide, Diaminomethanone, Carbonyldiamide

J75826.A1 J75826.A7
ALFAJ75826.A1EA 444 SGD
ALFAJ75826.A1 ALFAJ75826.A7
Urea ≥99.5%, Ultrapure for molecular biology
Urea
Formula: NH₂CONH₂
MW: 60,06 g/mol
Boiling Pt: 197 °C (1013 hPa)
Melting Pt: 132…135 °C
Density: 1,335
Storage Temperature: Ambient
MDL Number: MFCD00008022
CAS Number: 57-13-6
EINECS: 200-315-5
REACH: 01-2119463277-33
Merck Index: 14,09867
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Specification Test Results

Assay Cyanate None Detected
Assay ≥99.5%
Chloride Content ≤0.0005%
Conductivity ≤15 µmhos/cm
DNase Passes Test
Identification (FTIR) Conforms
Residue on Ignition ≤0.01%
Impurity Content Sulphate (SO4) ≤0.001%
Insoluble Material ≤0.01%
Protease Activity Passes Test
RNase Passes Test
Spectral Ratio (260 nm, 6 M, 1 cm) ≤0.055
Spectral Ratio (280 nm, 6 M, 1 cm) ≤0.044
Copper (Cu) ≤0.5 ppm
Iron (Fe) ≤0.5 ppm
Lead (Pb) ≤0.5 ppm

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