Harnstoff für die Biochemie, Millipore®
Lieferant: Merck
Synonyms:
Urea
, Carbamid
, Aminoameisensäureamid
, Carbonyldiamid
M-Clarity™ Qualitätsstufe = MQ100
1.08488.1000EA
103
CHF
1.08488.1000
1.08488.0250
1.08488.9050
1.08488.9010
1.08488.5000
Harnstoff für die Biochemie, Millipore®
Harnstoff
|
Formel:
NH₂CONH₂ MW: 60,06 g/mol Melting Pt: 134 °C Dichte: 1,32 g/cm³ (20 °C) Lager Temperatur: Raumtemperatur |
MDL Number:
MFCD00008022 CAS-Nummer: 57-13-6 EINECS: 200-315-5 REACH: 01-2119463277-33 Merck Index: 12,10005 |
|
Spezifikation Testergebnisse
| Purity (DSC (differential scanning calorimetry)) | ≥ 99.5 mol% |
| Identity (IR-spectrum) | passes test |
| Appearance | Colorless crystals or white crystalline powder. |
| Appearance of solution (100 g/l, water) | Clear and colorless. |
| APHA (5M, water) | ≤ 10 APHA |
| Turbidity (5M, water) | ≤ 2.0 NTU |
| pH (5M, water) | |
| Insoluble matter | ≤ 0.0005 % |
| Conductivity (5M, water, 25 °C) | ≤ 15 µS/cm |
| Melting point (DSC (differential scanning calorimetry)) | 132 - 135 °C |
| UV-Absorption (260 nm; 8 mol/l; 1 cm; water) | ≤ 0.1 |
| UV-Absorption (280 nm; 8 mol/l; 1 cm; water) | ≤ 0.1 |
| Cyanide (CN) | ≤ 0.000001 % |
| Chloride (Cl) | ≤ 0.0005 % |
| Sulfate (SO₄) | ≤ 0.001 % |
| Heavy metals (as Pb) | ≤ 0.0004 % |
| Fe (Iron) | ≤ 0.00002 % |
| NH₄ (Ammonium) | ≤ 0.00001 % |
| Biuret | ≤ 0.05 % |
| Sulfated ash (800 °C) | ≤ 0.01 % |
| DNases (Exo- and endonucleases) | not detectable |
| RNases | not detectable |
Learn more
About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...