The present invention relates to a water-soluble azo compound represented
by the following formula (1):
##STR00001##
[wherein, n denotes 1 or 2, x denotes 2 to 4 and A denotes a divalent
bonding group represented by one of the following general formulas (2) to
(4):
##STR00002##
(Wherein, y denotes an integer number of 2 to 6 and w denotes an integer
number of 1 to 4)]or a salt thereof, and an ink composition containing
it; it shows a hue having high vividness suitable for inkjet recording
and provides a recorded matter having high water fastness, and the ink
composition prepared using it is excellent in storage stability.