Acide DL-malique 99+%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
Acide (±)-malique
Formule:
HOOCCH(OH)CH₂COOH Poids moléculaire: 134.09 g/mol Point d'ébullition: 306 Point de fusion: 128…132 °C Point éclair: 203 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00064212 Numéro CAS: 6915-15-7 EINECS: 210-514-9 Indice Merck: 13,05730 |
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Résultats des tests de spécification
Appearance | White to off-white Crystalline powder or crystals |
Infrared spectrum | Conforms |
Melting point | 128 to 132 °C |
Sulfated ash | ≤0.1 % |
Specific optical rotation | -0.1° to +0.1° (25 °C, 589 nm) (C=8.5%,H2O) |
Titration with NaOH | ≥99.0 % |
Lead (Pb) | ≤2 ppm |
Impurity | ≤0.05 % Maleic acid |
Insoluble matter | ≤0.1 % (in water) |
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