WATER-BASED MAGENTA INK COMPOSITION AND METHOD OF INK-JET RECORDING

摘要

The present invention relates to a water-based magenta ink composition which has satisfactory storage stability, has a hue and vividness suitable for ink-jet recording, and gives prints having high fastness to light and water, and magenta dye suitable therefore. More particularly, the present invention relates to a water-based magenta ink composition characterized by containning disulfonic acid derivative of a compound represented by Formula(2) <CHEM> or the salt thereof as the dye component, an ink-jet recording method using said composition, and magenta dye containing little inorganic salt and little mono-sulfonic acid compound and being suitable for the said composition.