L-Alanine 99%
Supplier: Thermo Scientific
Synonyms:
(S)-(+)-Alanine, H-Ala-OH, L(+)-Alanine, Alanine, L-α-Alanine, A, H-L-Ala-OH, α-Alanine
102830250
102831000
102835000
ACRO102830250EA
63.2
GBP
ACRO102830250
ACRO102831000
ACRO102835000
L-Alanine 99%
L-Alanine
Formula:
C₃H₇NO₂ MW: 89,09 g/mol Boiling Pt: 189 °C (1013 hPa) Melting Pt: 314…316 °C (dec.) Density: 1,4 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00064410 CAS Number: 56-41-7 EINECS: 200-273-8 Merck Index: 13,00203 |
Specification Test Results
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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