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Orange IV

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Orange IV Basic information
Orange IV Chemical Properties
  • Melting point:>300°C
  • solubility Solubility Soluble in water, ethanol
  • pka2.0(at 25℃)
  • form Powder
  • Colour Index 13080
  • color S. No.: 179
  • PH Range1.3(red)-3.2(yellow)
  • λmax527nm, 443nm
  • Merck 14,9776
  • Stability:Stable. Incompatible with strong oxidizing agents.
  • Major ApplicationSensors, lithographic plates, optical recording media, photoreceptor, inks, indication system for product exceeding threshold temperature, lubricants, textiles, food storage, determination of amiodarone, astemizole, bromhexine, clomipramine, deutiforin, domperidone, fluoroquinolone, roxithromycin, terfenadine, thiabendazole, antihistamines
  • CAS DataBase Reference554-73-4(CAS DataBase Reference)
  • EPA Substance Registry SystemBenzenesulfonic acid, 4-[[4-(phenylamino)phenyl]azo]-, monosodium salt (554-73-4)
Safety Information
MSDS
Orange IV Usage And Synthesis
  • Chemical Propertiesyellow-brown or orange powder
  • UsesAs indicator. pH: red 1.4 to yellow 2.6.
  • Purification MethodsRecrystallise it twice from water [Kolthoff & Gus J Am Chem Soc 60 2516 1938]. [Beilstein 16 II 171.]
Orange IV(554-73-4)Related Product Information
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