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EOSIN B

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EOSIN B Basic information
  • Product Name:EOSIN B
  • CAS:548-24-3
  • MF:C20H9Br2N2NaO9
  • MW:604.09
  • EINECS:208-943-1
  • Mol File:548-24-3.mol
EOSIN B Chemical Properties
  • Melting point:275 °C (dec.)(lit.)
  • storage temp. Store at +5°C to +30°C.
  • solubility spirit: soluble
  • Colour Index 45400
  • form Solid
  • color Very dark purple-red to dark brown
  • PH6.2 (10g/l, H2O, 25℃)
  • Water Solubility Soluble in water (390 g/L at 20°C), and ethanol.
  • λmax514 nm, 395 nm
  • Merck 14,3602
  • BRN 4121964
  • Stability:Stable. Incompatible with strong oxidizing agents.
  • Biological ApplicationsAntimalarial agent; protein assay; detecting enzyme activity; treating cancer,malaria,diabetes,a variety of conditions affecting skin,mouth,digestive tract,urinary tract,reproductive tract,respiratory tract,circulatory sys
  • EPA Substance Registry SystemEosin B (548-24-3)
Safety Information
  • Hazard Codes Xn
  • Risk Statements 22
  • Safety Statements 22-24/25
  • WGK Germany 3
  • TSCA Yes
  • HS Code 3204 12 00
MSDS
EOSIN B Usage And Synthesis
  • Chemical Propertiesodourless green to reddish-brown solid
  • UsesDyeing wool, cotton, and paper. In histology as a stain for epithelia, muscular fibers, nuclei, etc.
  • UsesEosin B sodium salt is a cell and tissue stain. Eosin B sodium salt is used as a counter stain for collagen, as a tissue stain for cell granules, nuclei, and microorganisms when coupled with Azure A (sc-203729), and as a stain for cell differentiation of the anterior pituitary.
  • Preparationwill 4′,5′-Dibromofluorescein?(C.I. Acid Orange 11, C.I. 45370) nitrification, and translated into sodium salt or ammonium salt.
  • DefinitionChEBI: An organic sodium salt which is the disodium salt of eosin b diphenol.
  • Purification MethodsFree it from inorganic halides by repeated crystallisation from butan-1-ol. [Beilstein 19/6 V 469.]
  • Properties and Applicationscolourful red blue light.
    Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
    Fading Stain Fading Stain Fading Stain
    ISO 3 3 3 3 3
EOSIN B(548-24-3)Related Product Information
EOSIN BSupplierMore
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