Soluble in water and alcohol (the Blu-ray fluorescence was red with a strong solution), soluble in solvent fiber, slightly soluble in acetone. Case of concentrated sulfuric acid was yellow-brown, with a strong green fluorescence. Diluted was big red and orange. Case of concentrated nitric acid was golden brown. Its aqueous solution was added sodium hydroxide solution heated Rose Red villous precipitation. Add hydrochloric acid slightly green crystals separated.