Eosin B, high purity biological stain
Supplier: Thermo Scientific Chemicals
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Danger
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Synonyms:
2,7-Dinitro-4,5-dibromofluorescein
, Eosin bluish
, Sodium 2-(4,5-dibromo-2,7-dinitro-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
, Eosin B disodium salt
, Acid Red 91
, 2-(4,5-dibromo-3,6-dihydroxy-2,7-dinitroxanthen-9-yl)-benzoic acid disodium salt
22965-1000
22965-0250
TS22965-1000EA
104
USD
TS22965-1000
TS22965-0250
Eosin B, high purity biological stain
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: 1203638 |
Specification Test Results
Appearance | Dark brown Crystalline powder |
Infrared spectrum | Conforms |
UV Lambda max | 511 to 520 nm (in water + 1% Na2CO3) |
Absorption Ratio P-15/P+15 | 0.96 to 1.22 |
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