Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3- one,4,7-dichloro-3',6'-dihydroxy-2',4',5',7'- tetraiodo-

Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3- one,4,7-dichloro-3',6'-dihydroxy-2',4',5',7'- tetraiodo- Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  4,7 – dichloro-fluorescein with iodine in potassium (or sodium) and the presence of copper chloride tetraiodide.

• Properties and Applications

  blue light red. Soluble in water for cherry red, no fluorescence. In concentrated sulfuric acid for brown light yellow, dilution after brown light red precipitation. Dye aqueous solution to join sodium hydroxide have carmine soluble precipitation
  

  Standard	Light Fastness	Heat-resistant(℃)		water	Sodium Carbonate(5%)	Hydrochloric acid(5%)
  		Melting point	Stable
  ISO	General			Insoluble		Good

6859-68-3, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3- one,4,7-dichloro-3',6'-dihydroxy-2',4',5',7'- tetraiodo- Verwandte Suche: