D-Alanine 99+%
Leverantör: Thermo Scientific
Synonyms:
(R)-(-)-Alanine, Alanine, D-α-Alanine, D(-)-Alanine, H-D-Ala-OH, α-Alanine
172080050
172080250
172081000
ACRO172080050EA
1150
SEK
ACRO172080050
ACRO172080250
ACRO172081000
D-Alanine 99+%
D-Alanine
Formel:
C₃H₇NO₂ MW: 89,09 g/mol Kokpunkt: 189 °C (1013 hPa) Smältpunkt: 278…282 °C (dec.) Storage Temperature: Omgivande |
MDL Number:
MFCD00008077 CAS nummer: 338-69-2 EINECS: 206-418-1 Merck Index: 13,00203 |
Specifikation testresultat
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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