Acide L(+)-aspartique 98+%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
Synonyme(s):
(S)-(+)-Acide aspartique, D, Asp
Formule:
C₄H₇NO₄ Poids moléculaire: 133.1 g/mol Point d'ébullition: 311 Point de fusion: >230 °C (déc.) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00002616 Numéro CAS: 56-84-8 EINECS: 200-291-6 Indice Merck: 13,00845 |
Résultats des tests de spécification
Appearance | White to off-white Crystalline powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | ≤0.5 % (105°C) |
Sulfated ash | ≤0.1 % |
Specific optical rotation | +24.0° to +26.0° (20°C, 589 nm) (c=8, 6 N HCl) |
Titration with HClO4 | ≥98.0 % (on dried substance) |
Chloride (Cl) | ≤200 ppm |
Sulfate (SO4) | ≤300 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤10 ppm |
Ninhydrin-positive substances | Passes test |
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