Nicotinamide 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):
Amide nicotinique
Formule:
C₆H₆N₂O Poids moléculaire: 122.13 g/mol Point d'ébullition: 150…160 °C (760 mmHg) Point de fusion: 128…131 °C Point éclair: >150 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00006395 Numéro CAS: 98-92-0 EINECS: 202-713-4 Indice Merck: 12,06574 |
Résultats des tests de spécification
Appearance | White to almost white Crystalline powder |
Infrared spectrum | Conforms |
Melting point | 128 to 131 °C |
Loss on drying | ≤0.5 % (4 hrs) (silica gel) |
Sulfated ash | ≤0.1 % |
Readily carbonizable substance | Passes test |
pH | 6.0 to 7.5 (5 % at 20 °C) |
Titration with HClO4 | ≥98.5 % (on dried substance) |
Heavy metals (as Pb) | ≤30 ppm |
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