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ERYTHROSIN B

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ERYTHROSIN B Basic information
ERYTHROSIN B Chemical Properties
  • Melting point:303 °C (dec.)(lit.)
  • Boiling point:628.3±55.0 °C(Predicted)
  • Density 2.4391 (estimate)
  • storage temp. room temp
  • solubility spirit: soluble
  • form powder
  • Colour Index  45430:2
  • pka7.21±0.20(Predicted)
  • color Red
  • Water Solubility Soluble in water, spirit, methanol, methyl cellosolve and ethanol.
  • EPA Substance Registry System2',4',5',7'-Tetraiodofluorescein (15905-32-5)
Safety Information
  • Safety Statements 22-24/25
  • WGK Germany 2
  • RTECS LM5940000
  • TSCA Yes
  • HS Code 29329990
MSDS
ERYTHROSIN B Usage And Synthesis
  • Chemical Propertiesorange-red fine powder
  • UsesIndicator in analytical chemistry.
  • PreparationFluorescein (C.I.Acid Yellow 73, C.L 45350) in aqueous solution or Tetraiodide in ethanol, and made ??the free acid form.
  • Properties and Applicationsblue light red. Soluble in water for cherry red, no fluorescence. In concentrated sulfuric acid for brown light yellow, dilution after brown light yellow precipitation. Dye aqueous solution to join sodium hydroxide have soluble precipitation. Used in cosmetics coloring.
    Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
    Melting point Stable
    ISO Poor Insoluble
ERYTHROSIN B(15905-32-5)Related Product Information
ERYTHROSIN BSupplierMore
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