| 摘要 |
PROBLEM TO BE SOLVED: To obtain a blue monoazo dye enabling desirable dyeing even under severe conditions at a high temperature, and a dye mixture compounded with the dye. SOLUTION: The objective water-insoluble monoazo dye is expressed by the formula and has a crystal morphology characterized by an X-ray diffraction pattern (CuKα) having intense peaks at diffraction angles (2θ) of 9.8 deg. and 21.7 deg. and medium peaks at 7.5 deg. 13.6 deg., 19.7 deg., 22.6 deg., 24.4 deg. and 25.8 deg.. This invention also relates to a process for producing the dye, a dye mixture containing the dye and a product dyed with the dye or the dye mixture.
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