Urea ≥99.5%, Ultrapure Bioreagent, J.T.Baker®
Leverantör: Avantor
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Varning
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Synonyms:
Carbonyl diamide, Carbamide, Diaminomethanone, Carbonyldiamide
4111-01EA
0
SEK
4111-01
4111-05
4111-07
4111-F9
Urea ≥99.5%, Ultrapure Bioreagent, J.T.Baker®
Urea
For protein solubilization and denaturation. DNase-, RNase-, protease-, and cyanate-free.
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
For Laboratory,Research,or Manufacturing Use | ≥99.5% |
Assay (NH₂CONH₂) | 98.0 - 102.0 % |
Appearance | Passes Test |
RNase Activity | Passes Test |
DNase Activity (None Detected) | Passes Test |
Protease Activity | Passes Test |
Absorbance of a 5M Solution - 260 nm | ≤0.050 |
Absorbance of a 5M Solution - 280 nm | ≤0.030 |
Biuret | ≤0.01 |
Cyanate (CNO) | None Detected |
Insoluble Matter | ≤0.005 % |
Water (H₂O)(by Karl Fischer titrn) | ≤0.5 % |
Conductivity of 8.5M Solution at 25°C, (µmho/cm) | ≤30 |
Chloride (Cl) | ≤1 ppm |
Trace Impurities - Copper (Cu) | ≤1 ppm |
Trace Impurities - Iron (Fe) | ≤1 ppm |
Trace Impurities - Lead (Pb) | ≤1 ppm |
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