L(-)-Tyrosine 99+%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Formule:
C₉H₁₁NO₃ Point d'ébullition: 351 °C (1013 hPa) Point de fusion: 290 °C (déc.) Densité: 1,41 g/cm³ (20 °C) Point éclair: 176 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00002606 Numéro CAS: 60-18-4 EINECS: 200-460-4 Indice Merck: 13,09907 |
Résultats des tests de spécification
Appearance | White to almost white Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤0.5 % (1 g, 105°C) |
Sulfated ash | ≤0.1 % |
Specific optical rotation | -9.8° to -12.3° (20°C, 589 nm) (c=5, 1 N HCl) |
Titration with HClO4 | ≥99.0 % (on dried substance) |
Chloride (Cl) | ≤400 ppm |
Sulfate (SO4) | ≤300 ppm |
Ammonium (NH4) | ≤200 ppm |
Iron (Fe) | ≤10 ppm |
Heavy metals (as Pb) | ≤10 ppm |
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