D-Alanin 99+%
Lieferant: Thermo Scientific
Synonyme:
(R)-(-)-2-Aminopropionic acid, Alanin, D-α-Alanin, D(-)-Alanin, (R)-(-)-Alanin, H-D-Ala-OH, α-Alanin, (R)-(-)-2-Aminopropansäure, D(-)-2-Aminopropionic acid, (R)-(-)-2-Aminopropionsäure
172080050
172080250
172081000
ACRO172080050EA
60.1
EUR
ACRO172080050
ACRO172080250
ACRO172081000
D-Alanin 99+%
D-Alanin
Formel:
C₃H₇NO₂ Molecular Weight: 89,09 g/mol Siedepunkt: 189 °C (1013 hPa) Schmelzpunkt: 278…282 °C (Zers.) Lagertemperatur: Raumtemperatur |
MDL:
MFCD00008077 CAS-Nummer: 338-69-2 EINECS: 206-418-1 Merck Index: 13,00203 |
Spezifikation Testergebnisse
Appearance | White to off-white Crystalline powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | ≤0.2 % (105°C, 3 hrs) |
Sulfated ash | ≤0.2 % |
HPLC | ≤1 % (L-content) |
UV transmittance | ≥95 % (c=10, H2O, 430 nm) 1 cm cell |
Specific optical rotation | -13.5° to -15.5° (20°C, 589 nm) (c=10, 6 N HCl) (on dry substance) |
Titration with HClO4 | 99.0 to 101.0 % (On dry substance) |
Chloride (Cl) | ≤0.1 % |
Arsenic (As) | ≤2 ppm (As2O3) |
Heavy metals (as Pb) | ≤10 ppm |
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