Rose Bengal 85%, 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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Synonyme(s):
Sodium 4,5,6,7-tetrachloro-2',4',5',7'-tetraiodo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate), Food Red No. 105, CI 45440, Acid red 94, Aniline Rose, Rose Bengal sodium
CAS No.: 632-69-9
Formule:
C₂₀H₂Cl₄I₄O₅Na₂ Poids moléculaire: 1017.63 g/mol Température de stockage: Température ambiante |
Numéro MDL:
MFCD00005043 Numéro CAS: 632-69-9 |
Résultats des tests de spécification
Appearance | Bordeaux to red-brown Crystalline powder |
Infrared spectrum | Conforms |
Loss on drying | ≤10 % (105°C) |
Dye content | ≥80 % |
UV Lambda max | 540 to 550 nm (in water) |
Absorption Ratio P-15/P+15 | 1.21 to 1.95 |
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