Anhydride butyrique 98%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Danger
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Formule:
C₈H₁₄O₃ Poids moléculaire: 158.2 g/mol Point d'ébullition: 195 °C (760 mmHg) Point de fusion: –73 °C Densité: 0.963 g/cm³ Point éclair: 82 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00009389 Numéro CAS: 106-31-0 EINECS: 203-383-4 UN: 2739 ADR: 8 III Indice Merck: 13,01594 |
Résultats des tests de spécification
Appearance | Clear colorless to light yellow Liquid |
Infrared spectrum | Conforms |
Refractive index | 1.4120 to 1.4140 (20°C, 589 nm) |
GC | ≥97.5 % |
UV | at 260 nm A: ≤0.15 |
Appearance of solution | faint yellow |
NMR (1H-NMR) | Chondroitin sulfate (over-sulfated): Absent |
Protein | ≤0.5 % (dried substance) |
pH | 5.5 to 8.0 (0.1g in 10ml water) |
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