BLACK ANIONIC DYE, ITS COMPOSITION, INK MADE FROM THE DYE OR THE COMPOSITION, METHOD OF PRINTING ON BASE MATERIAL, AND PRINTED PAPER

摘要

A compound which, in the free acid form, is of the Formula (1): wherein B is 3- or 4-carboxyphenyl; and X is H. The compound is useful in the preparation of inks for ink jet printing of substrates such as paper, on which it gives highly water fast prints which show little bronzing.