L(+)-Glutammina, meetSpec_USP
Fornitore: Thermo Fisher Scientific
Synonyms:
Q, H-Gln-OH, Gln, (S)-(+)-Glutammina
Formula:
C₅H₁₀N₂O₃ Peso molecolare: 146.15 g/mol Punto di ebollizione: 355 Punto di fusione: 185 °C (dec.) Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00008044 CAS Number: 56-85-9 Merck Index: 13,04484 |
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Risultati del test di specificazione
Appearance | White to almost white Crystalline powder or flakes |
Infrared spectrum | Conforms |
Loss on drying | ≤0.3 % (1 g, 105°C, 3 h) |
Residue after ignition | ≤0.3 % |
Related substances | ≤0.5 % (TLC) |
Specific optical rotation | +6.3° to +7.3° (20°C, 589 nm) (C=4, water) (Warm at 40°C to dissolve) |
Titration with HClO4 | 98.5 to 101.5 % (On dried basis) |
Chloride (Cl) | ≤0.05 % |
Sulfate (SO4) | ≤0.03 % |
Iron (Fe) | ≤30 ppm |
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