959408-23-2Relevant articles and documents
AZO COMPOUND AND SALT THEREOF, AND DYE-CONTAINING POLARIZING FILM COMPRISING THE COMPOUND OR SALT
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Page/Page column 9, (2009/03/07)
Disclosed is an azo compound represented by the general formula (1) or a salt thereof: 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 polarizing plate, each of which comprises a polarizing film base material and the azo compound contained in the base material.