Erythrosin B disodium salt, pure, high purity biological stain

Supplier: Thermo Scientific
Warning

Synonyms: FD&C Red #3Erythrosin 239Sodium 2',4',5',7'-tetraiodo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)Erythrosine 3BErythrosine sodiumC.I. 45430Erythrosin BAcid Red 51

ACRO189460250EA 85.3 GBP
ACRO189460250
Erythrosin B disodium salt, pure, high purity biological stain
Erythrosin B disodium salt
Formula: C₂₀H₆I₄Na₂O₅
MW: 879,86 g/mol
Melting Pt: >300 °C
Storage Temperature: Ambient
MDL Number: MFCD00144257
CAS Number: 16423-68-0
EINECS: 240-474-8

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Specification Test Results

Appearance Red to bordeaux Powder
Infrared spectrum Conforms
Dye content ≥87 %
Arsenic (As) ≤3 ppm
Cadmium (Cd) ≤1 ppm
Lead (Pb) ≤10 ppm
Mercury (Hg) ≤1 ppm
Insoluble matter ≤0.2 % (in water)
Subsidiary dyes ≤4.0 %
Ether extractable matter ≤0.2 %
Fluorescein ≤20 ppm
Inorganic iodide ≤0.1 % (as Sodium iodide)

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