Erythrosin B disodium salt, pure, high purity biological stain
Supplier: Thermo Scientific Chemicals
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Warning
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Synonyms:
FD&C Red #3
, Erythrosin 239
, Sodium 2',4',5',7'-tetraiodo-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-3',6'-bis(olate)
, Erythrosine 3B
, Erythrosine sodium
, C.I. 45430
, Erythrosin B
, Acid Red 51
18946-0250
TS18946-0250EA
61.07
USD
TS18946-0250
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 |
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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