AZO COMPOUND AND SALT THEREOF, AND DYE-CONTAINING POLARIZINGFILM COMPRISING THE COMPOUND OR SALT

摘要

Disclosed is an azo compound represented by the general formula (1) or a salt thereof: (1) wherein R1 and R2 independently represent a hydrogen atom, a lower alkyl group or a lower alkoxy group; and n represents 1 or 2. Also disclosed are a dye-containing polarizing film and a dye-containing polarizi ng plate, each of which comprises a polarizing film base material and the az o compound contained in the base material.