Naphtho[2,3-h]quinoline-7,12-disulfonic acid, 7,12-dihydro-5,6,7,12-tetrahydroxy-, disodium salt

Naphtho[2,3-h]quinoline-7,12-disulfonic acid, 7,12-dihydro-5,6,7,12-tetrahydroxy-, disodium salt Chemische Eigenschaften,Einsatz,Produktion Methoden

• synthetische

  glycerol?,4-Amino-1,2-dihydroxyanthracene-9,10-dione, 1-Nitrobenzene mixture of sulfuric acid and heating, and then into Sodium bisulfite compound

• Properties and Applications

  blue. Soluble in water, soluble in ethanol. In concentrated sulfuric acid for cherry red (release sulfur dioxide), after dilution blue green precipitation. Used for esters, hydrocarbon solvent, oil and paraffin color.
  

  Standard	Light Fastness	Heat-resistant(℃)		water	Sodium Carbonate(5%)	Hydrochloric acid(5%)
  		Melting point	Stable
  ISO	Well	218-220	150,200 Sublimation	Insoluble	No change	No change

Naphtho[2,3-h]quinoline-7,12-disulfonic acid, 7,12-dihydro-5,6,7,12-tetrahydroxy-, disodium salt Upstream-Materialien And Downstream Produkte

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