Basic Auramine O Basic Yellow 2 for Joss Paper
Soluble in cold water, soluble in hot water for bright yellow, in boiling water can decompose, soluble in ethanol for yellow. The strong sulfuric acid in colorless, diluted into light yellow. in aqueous solution into deep yellow, heated to a boiling is colorless; solution to generate white precipitation. Silk fiber in a bright yellow, in a red under tengsten lamp.
