Eosine B (bleuâtre), pur, certifié
Fournisseur: Thermo Fisher Scientific
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Danger
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Synonyms:
Eosin bluish, 2,7-Dinitro-4,5-dibromofluorescein, Eosin B disodium salt, Sodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate, 2-(4,5-dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid disodium salt, Acid Red 91
409420250
409421000
ACRO409420250EA
31.5
EUR
ACRO409420250
ACRO409421000
Eosine B (bleuâtre), pur, certifié
Eosine B (bleuâtre)
Formule:
C₂₀H₆Br₂N₂Na₂O₉ MW: 624.06 g/mol Point de fusion: >310 °C (déc.) Température de stockage: Température ambiante |
Numéro MDL:
MFCD00005041 Numéro CAS: 548-24-3 EINECS: 208-943-1 Merck Index: 12,03638 |
Résultats des tests de spécification
Appearance | Dark brown to dark red-purple Crystalline powder |
Infrared spectrum | Conforms |
Dye content | ≥85 % |
UV Lambda max | 511 to 520 nm (in water + 1% Na2CO3) |
Absorption Ratio P-15/P+15 | 0.96 to 1.22 |
BSC Certification | Passes |
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