L-Alanin 99%
Lieferant: Thermo Scientific
Synonyms:
α-Alanin
, L(+)-Alanin
, A
, H-Ala-OH
, L-α-Alanin
, (S)-(+)-Alanin
, (S)-(+)-2-Aminopropionsäure
, (S)-(+)-2-Aminopropionic acid
, L(+)-2-Aminopropionic acid
, H-L-Ala-OH
, (S)-(+)-2-Aminopropansäure
ACRO102831000EA
90
CHF
ACRO102831000
ACRO102835000
ACRO102830250
L-Alanin 99%
L-Alanin
Formel:
C₃H₇NO₂ MW: 89,09 g/mol Melting Pt: 314…316 °C (Zersetzung) Lager Temperatur: Raumtemperatur |
MDL Number:
MFCD00064410 CAS-Nummer: 56-41-7 EINECS: 200-273-8 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 h) |
Sulfated ash | ≤0.1 % |
UV transmittance | ≥95 % (c=10, H2O, 430 nm) 1 cm cell |
pH | 5.5 to 7 (2.5 % at 25°C) |
Specific optical rotation | +13.5° to +15.5° (20°C, 589 nm) (c=10, 6 N HCl) (on dry substance) |
Titration with HClO4 | 98.5 to 101.5 % (on dry substance) |
Chloride (Cl) | ≤200 ppm |
Sulfate (SO4) | ≤300 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤10 ppm |
Heavy metals (as Pb) | ≤10 ppm |
Other amino acids | ≤0.5 % (TLC) |
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