Urea ≥99.5%, high purity
Leverantör: VWR Chemicals
Synonyms:
Carbonyl diamide, Carbamide, Diaminomethanone, Carbonyldiamide
0568-1KGEA
1350
SEK
0568-1KG
0568-2.5KG
0568-500G
0568-10KG
0568-12KG
0568-5KG
Urea ≥99.5%, high purity
Urea
Commonly used to denature nucleic acids for electrophoresis and to study the secondary and tertiary structure of proteins.
Effective for maintaining DNA in a highly denatured state during sequencing protocols, urea is also useful for accelerating the activity of Proteinase K digestions. Effectively denatures RNA. For use in nucleic electrophoresis applications.
Formel:
NH₂CONH₂ MW: 60,06 g/mol Kokpunkt: 197 °C (1013 hPa) Smältpunkt: 132,7 °C Densitet: 1,34 g/cm³ (20 °C) Storage Temperature: Omgivande |
MDL Number:
MFCD00008022 CAS nummer: 57-13-6 EINECS: 200-315-5 REACH: 01-2119463277-33 Merck Index: 13,09935 |
Specifikation testresultat
Abs.@ 280 nm (5 M, Water) | <0.05 |
Biuret Test | Pass |
Chloride | ≤0.0005% |
Cyanate | ≤0.002% |
DNase | none detected |
Heavy Metals (as Pb) | ≤0.0005% |
Insolubles | ≤0.005% |
Iron | ≤0.0001% |
Melting Point | 132 – 135 °C |
Protease | none detected |
Purity | ≥99.5% |
RNase | none detected |
Solubility (5 M, Water) | Pass |
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