Benzaldehyde (1 Moore) and 2-Hydroxy-3-methylbenzoic acid (2 Moore) condensation, the product with concentrated sulfuric acid sulphonate, then use Nitrosylsulfuric acid oxidation, again with 3-Chloro-2-methylbenzenamine?and 5-Chloro-2-methylbenzenamine condensation.
Properties and Applications
brilliant purple. Soluble in water for wine red, soluble in ethanol for red purple. In concentrated sulfuric acid for brilliant orange red, after dilution is purple. Dye aqueous solution to join sodium hydroxide as brilliant magenta.
