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 화학적 특성, 용도, 생산

• 제조 방법

  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 준비 용품 및 원자재