excessive amounts of 2-Methyl-4-nitroso-N-methylaniline?and 3,4,5-Trihydroxybenzamide?heating, and will product reduction into leuco compound, and then made the soluble Triethylamine hydrochloride.
Properties and Applications
dark purple. Soluble in water for the green light. In concentrated sulfuric acid for shallow purple red, add manganese dioxide for royal purple, yellow light red for after diluted. Dye aqueous solution and sodium hydroxide as amaranth.
