Erythrosin B Dinatriumsalz, rein, hohe Reinheit biologische Färbemittel
Lieferant: Thermo Scientific
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Achtung
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Synonyme:
Erythrosin 239
, C.I. 45430
ACRO189460250EA
49.3
EUR
ACRO189460250
Erythrosin B Dinatriumsalz, rein, hohe Reinheit biologische Färbemittel
Erythrosin B Dinatriumsalz
Formel:
C₂₀H₆I₄Na₂O₅ Molecular Weight: 879,86 g/mol Schmelzpunkt: >300 °C Lagertemperatur: Raumtemperatur |
MDL:
MFCD00144257 CAS-Nummer: 16423-68-0 EINECS: 240-474-8 |
Spezifikation Testergebnisse
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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