Eosin B, pure, certified
Supplier: Thermo Scientific
|
Danger
|
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
50.5
GBP
ACRO409420250
ACRO409421000
Eosin B, pure, certified
Eosin B
Formula:
C₂₀H₆Br₂N₂Na₂O₉ MW: 624,06 g/mol Melting Pt: >310 °C (dec.) Storage Temperature: Ambient |
MDL Number:
MFCD00005041 CAS Number: 548-24-3 EINECS: 208-943-1 Merck Index: 12,03638 |
Specification Test Results
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 |
Learn more
About VWR
Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...