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Bromocresol green

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Bromocresol green Basic information
Bromocresol green Chemical Properties
  • Melting point:225 °C
  • Density 0.79 g/mL at 20 °C
  • Flash point:12 °C
  • storage temp. Store at RT.
  • solubility Solubility Sparingly soluble in water; soluble in ethanol, ether, ethyl acetate
  • form Powder/Solid
  • Boiling point:626.0±55.0 °C(Predicted)
  • pka4.7(at 25℃)
  • color Pale orange
  • PH3.8~5.4
  • PH Range3.8(YELLOW)-5.4(BLUE)
  • Water Solubility slightly soluble
  • λmax423nm, 444nm, 617nm
  • Merck 14,1386
  • BRN 372527
  • Stability:Stable. Incompatible with strong oxidizing agents.
  • Major ApplicationSol-gel matrix, fuel cells, sensors, display device, inks, paints, one-steptester for ammonia, cosmet-tester for ammonia, packaging system, textiles, cleansing products, detergents, cosmetics, diapers, identifying fresh and stale rice, monitoring fish spoilage, detecting carbohydrates, lacting acid bacteria, treating neoplasms, cancer, vaginal infection test method, drugs, dental materials
  • CAS DataBase Reference76-60-8(CAS DataBase Reference)
  • EPA Substance Registry SystemBromcresol green (76-60-8)
Safety Information
MSDS
Bromocresol green Usage And Synthesis
  • Chemical Propertiestan to yellow crystals
  • UsesAs indicator, pH 3.8 yellow; pH 5.4 blue-green.
  • HazardModerately toxic.
  • Purification MethodsCrystallise the dye from glacial acetic acid or dissolve it in aqueous 5% NaHCO3 solution and precipitate it from the hot solution by dropwise addition of aqueous HCl. Repeat this until the UV/VIS-extinction did not increase 423nm. It is an indicator: at pH 3.81 at max (yellow) and pH 5.4 (blue-green). [Beilstein 19/3 V 460.]
Bromocresol green Preparation Products And Raw materials
Bromocresol green(76-60-8)Related Product Information
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