Adénine sulfate (synthétique) 98%
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Synonyme(s):
Adénine hemisulfate, Sulfate de diadénine
Formule:
C₅H₅N₅·½H₂SO₄ Point de fusion: 285 °C (déc.) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00213655 Numéro CAS: 321-30-2 EINECS: 206-286-5 |
Résultats des tests de spécification
Appearance | White to light yellow Powder |
Infrared spectrum | Conforms |
Loss on drying | ≤2 % (1 g, 105°C, 5 hrs) (vacuum) |
Sulfated ash | ≤0.1 % (800°C) |
TLC | Homogeneous |
UV spectrophotometry | molar absorptivity 13100 +/- 2%, on dry basis |
UV transmittance | ≥95 % (c=0.5, H2O, 430 nm) 1 cm cell |
Ratio of Absorbances | 0.34 to 0.38 (A280/A260) |
Titration with NaOH | ≥97.5 % |
Heavy metals (as Pb) | ≤10 ppm |
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