Azophloxine

CAS: 3734-67-6
Molecular Formula: C18H13N3NaO8S2
Molecular Weight: 509.42
Product description:Red powder, soluble in water solution for big red, slightly soluble in alcohol and soluble fiber, insoluble in other organic solvents. In concentrated sulfuric acid blue colour, its diluted is yellow red; In nitric acid solution are orange, after turn orange; In concentrated hydrochloric acid to generate red precipitate, diluted or dissolved. The aqueous solution of concentrated hydrochloric acid red; Add sodium hydroxide solution is orange and brown. When dyeing with copper ion with blue light color and dark; Iron ions with blue color and light.Mainly used for dyeing agent.