Product name:Alizarin fluorin blue
CAS: 3952-78-1
Molecular Formula: C19H15NO8
Molecular Weight: 385.33
Product description:Brown crystalline powder. Soluble in alkaline solution, its color changes with different pH, almost insoluble in water, slightly soluble in water when pH > 5. PH < 5 solubility decrease), ethyl ether, ethanol, and other non-polar organic solvents. Melting point 180 ℃ (decomposition).Spectroscopic determination of fluorine, is used as the complexing indicator; Determination of aluminum, barium, cadmium, cobalt, manganese, nickel, calcium, copper, indium, lead, strontium, zinc and rare earth. A 0.5% aqueous solution, complexometric titration indicator.