Eosin Y (yellowish), pure indicator grade
: 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
:17372-87-1
:
:C₂₀H₆Br₄Na₂O₅
:MFCD00005040
:1.018 g/cm³
:691.86 g/mol
:>300 °C (dec.)
:13,03634
:241-409-6
:GHS07
:Ambient
- Environmentally Preferable:
- 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
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