Eosin Y (yellowish), Certistain® for microscopy, Sigma-Aldrich®

Supplier: Merck
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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

M-Clarity™ quality level = MQ300

1.15935.0025EA 66.8 GBP
1.15935.0025 1.15935.0100
Eosin Y (yellowish), Certistain® for microscopy, Sigma-Aldrich®
Eosin Y (yellowish)
Formula: C₂₀H₆Br₄Na₂O₅
MW: 691.86 g/mol
Melting Pt: 295…296 °C
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

Solubility 300 g/l (20 °C)
Melting Point 295 - 296 °C
Molar Mass 691.86 g/mol
Bulk Density 710 kg/m3
pH 9.2 (10 g/l, H2O, 20 °C)

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