Eosin Y (yellowish), pure indicator grade
Supplier: Thermo Fisher Scientific
Certificates
About this item
Synonyms: Solvent Red 43, Field's Stain B, Eosin 225, 2,4,5,7-Tetrabromofluorescein disodium salt, Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoate, Disodium 2',4',5',7'-tetrabromo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate), Tetrabromofluorescein disodium salt, 2′,4′,5′,7′-Tetrabromofluorescein disodium salt, Eosin Y disodium salt
CAS Number:17372-87-1
:
Formula:C₂₀H₆Br₄Na₂O₅
MDL Number:MFCD00005040
Density:1.018 g/cm³
Molecular Weight:691.86 g/mol
Melting Pt:>300 °C (dec.)
Merck Index:13,03634
EINECS:241-409-6
:GHS07
Storage Temperature:Ambient
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Appearance:Dark red-brown Crystalline powder
- Infrared spectrum:Conforms
- UV spectrum:Complies
- Loss on drying:≤10 %
- UV Lambda max:511 to 519 nm
- Specific extinction E (1%/1cm):≥1100 (lambda max, 0.001M Na2CO3) on dried substance
Specification Test Results
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