WATER-SOLUBLE AZO COMPOUNDS OR SALTS THEREOF, INK COMPOSITIONS AND COLORED PRODUCTS

摘要

The invention relates to water-soluble azo compounds represented by the general formula (1) or salts thereof and ink compositions containing the same: (1) (wherein R is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, or sulfo; n is 1 or 2; m is an integer of 1 to 3; x is an integer of 2 to 4; and y is an integer of 1 to 3). The compounds or salts have high-clarity hues favorable to ink-jet recording and can give prints having high fastnesses. Further, the compounds are useful as yellow dyestuff capable of forming ink compositions excellent in storage stability and therefore suitable for ink compositions, particularly those for ink-jet recording.