(±)-Aspartic acid 99+%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Synonyme(s):
2-Aminobutanedioic acid, DL-Aspartic acid
Formule:
C₄H₇NO₄ Poids moléculaire: 133.10 g/mol Point de fusion: >300 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00063083 Numéro CAS: 617-45-8 EINECS: 210-513-3 |
Résultats des tests de spécification
Appearance | White to light yellow Powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | ≤0.2 % (105°C, 3 h) |
Sulfated ash | ≤0.1 % |
UV transmittance | ≥95 % (c=10, 2 N HCl, 430 nm) 1 cm cell |
Specific optical rotation | -0.3° to +0.3° (20°C, 589 nm) (c=10, 2 N HCl) |
Titration with NaOH | 99.0 to 101.0 % |
Ammonium (NH4) | ≤500 ppm |
Iron (Fe) | ≤10 ppm |
Heavy metals (as Pb) | ≤10 ppm |
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