Vert brillant, pur, haute pureté colorant biologique
Marques : Thermo Fisher ScientificTotal Evaluation: 0
Moyenne des Notes : 0.0 sur 5
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Attention
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Formule:
C₂₇H₃₄N₂O₄S Point de fusion: 180 °C Température de stockage: Température ambiante |
Numéro MDL:
MFCD00011880 Numéro CAS: 633-03-4 EINECS: 211-190-1 |
Résultats des tests de spécification
Appearance | Green to green-yellow Crystalline powder or crystals |
Infrared spectrum | Conforms |
Loss on drying | ≤5 % (105°C) |
UV Lambda max | 625 to 631 nm (in 50% ethanol) |
Absorption Ratio P-15/P+15 | 0.94 to 1.14 |
Specific absorbance A (1%/1cm) | ≥1900 (at 625 to 631 nm) |
Visual transition interval | from pH 0.0 (yellow) to pH 2.6 (green) |
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