Eosin Y (yellowish), pure, certified

Supplier: Thermo Scientific
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Synonyms: Tetrabromofluorescein disodium saltEosin Y disodium saltEosin 2252′,4′,5′,7′-Tetrabromofluorescein disodium saltSolvent Red 43Disodium 2-(2,4,5,7-tetrabromo-6-oxido-3-oxoxanthen-9-yl)benzoateDisodium 2',4',5',7'-tetrabromo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)Field's Stain B2,4,5,7-Tetrabromofluorescein disodium salt

ACRO409430250EA 59.5 GBP
ACRO409430250
Eosin Y (yellowish), pure, certified
Eosin Y (yellowish)
Formula: C₂₀H₆Br₄Na₂O₅
MW: 691,86 g/mol
Melting Pt: >300 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00005040
CAS Number: 17372-87-1
EINECS: 241-409-6
Merck Index: 13,03634

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Specification Test Results

Appearance Red to brown Powder
Infrared spectrum Conforms
Dye content ≥88 %
UV Lambda max 515 to 518 nm
Absorption Ratio P-15/P+15 1.21 to 1.77
BSC Certification Passes

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