| abstract |
The present invention relates to an anthrapyridone compound represented by the following formula (1): n n n n n n n n n n [wherein, R represents a hydrogen atom, an alkyl group, a hydroxy lower alkyl group, a cyclohexyl group or a (mono- or di-alkylamino) alkyl group, X represents a cross-linking group represented by the formula: n —NH—(CH2) n -NH— (201) n (wherein, n is 2 to 8)n nand another cross-linking group, respectively]n nor a salt thereof, an magenta ink composition containing the anthrapyridone compound, and a colored product therewith; said compound has a hue having a high vividness suitable for inkjet recording, a recorded matter therewith has strong fastnesses particularly such as light fastness and ozone fastness, and the ink composition has an excellent storage stability, whereby said compound is useful as a magenta coloring matter suitable for inkjet recording. |