L-alanin 99%, meets analytical specification of Ph.Eur.
Leverantör: Thermo Scientific
Synonyms:
(S)-(+)-Alanine, H-Ala-OH, L(+)-Alanine, Alanine, L-α-Alanine, A, H-L-Ala-OH, α-Alanine
451850010
451850025
451852500
ACRO451850010EA
2875
SEK
ACRO451850010
ACRO451850025
ACRO451852500
L-alanin 99%, meets analytical specification of Ph.Eur.
L-alanin
Formel:
C₃H₇NO₂ MW: 89,09 g/mol Kokpunkt: 189 °C (1013 hPa) Smältpunkt: 314…316 °C (dec.) Densitet: 1,4 g/cm³ (20 °C) Storage Temperature: Omgivande |
MDL Number:
MFCD00064410 CAS nummer: 56-41-7 |
Specifikation testresultat
Appearance | Colorless to white to almost white Crystals or crystalline powder |
Infrared spectrum | Conforms |
Loss on drying | ≤0.5 % (1 g, 105°C) |
Sulfated ash | ≤0.1 % (1 g, 600°C) |
Appearance of solution | Clear and not more intensely colored than reference solution BY6 |
Specific optical rotation | +13.5° to +15.5° (20°C, 589 nm) (c=10, 6 N HCl) (dried substance) |
Titration with HClO4 | 98.5 to 101.0 % (dried substance) |
Sulfates | ≤300 ppm |
Chlorides | ≤200 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤10 ppm |
Ninhydrin-positive substances | ≤0.5 % (Total) |
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