DL-Alanina 99%
Fornitore: Thermo Fisher Scientific
Synonyms:
(±)-Alanine, DL-α-Alanine, H-DL-Ala-OH, α-Alanine
Formula:
C₃H₇NO₂ Punto di ebollizione: 189 °C (1013 hPa) Punto di fusione: 272…275 °C (dec.) Densità: 1,42 g/cm³ (20 °C) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00064408 CAS Number: 302-72-7 EINECS: 206-126-4 Merck Index: 13,00203 |
Risultati del test di specificazione
Appearance | White Crystalline powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | ≤0.2 % (105°C, 3 hrs) |
Sulfated ash | ≤0.1 % |
UV transmittance | ≥95 % (C=10, H2O, 430 nm) 1 cm cell |
Titration with HClO4 | 98.5 to 101.5 % |
Chloride (Cl) | ≤200 ppm |
Sulfate (SO4) | ≤300 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤20 ppm |
Arsenic oxide (As2O3) | ≤1 ppm |
Heavy metals (as Pb) | ≤10 ppm |
Other amino acids | ≤0.5 % (TLC) |
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