Eosin Y (yellowish) working solution 0.25% (w/v) in 57% (v/v) alcohol, acidified stain

Supplier: Ricca Chemical
Danger

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

R2845000-500A R2845000-1A
RC2845-16EA 80 USD
RC2845-16 RC2845-32
Eosin Y (yellowish) working solution 0.25% (w/v) in 57% (v/v) alcohol, acidified stain
Eosin Y (yellowish)
Formula: C₂₀H₆Br₄Na₂O₅
MW: 691.86 g/mol
Boiling Pt: ~ 80 °C
Melting Pt: ~ 0 °C
Density: 0.9000 g/cm³
Flash Pt: ~ 23 °C (73°F)
Storage Temperature: Ambient
MDL Number: MFCD00005040
CAS Number: 17372-87-1
UN: 1987
ADR: 3,III

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Specification Test Results

Absorbance (traceable to NIST SRM 930) Conforms to control
Appearance Orange reddish, methanol odor
pH at 25 °C (traceable to NIST SRM 185 & 186) 4.65 ± 0.02 pH at 25.0 °C
Specific Gravity 0.902 to 0.915 at 25°C

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