| 摘要 |
PROBLEM TO BE SOLVED: To obtain a new hair-dyeing and hair-coloring composition. SOLUTION: This hair-coloring composition contains an anthraquinone dyestuff expressed by formula 1 [wherein, R<SP>1</SP>to R<SP>3</SP>are each H, a 1-12C alkyl or alkenyl, or the like; R<SP>4</SP>, R<SP>5</SP>are each H or a 1-22C alkyl; X is SO<SB>3</SB>A<SP>1</SP>; Y is H or SO<SB>3</SB>A<SP>2</SP>; and A<SP>1</SP>, A<SP>2</SP>are each H<SP>+</SP>, Li<SP>+</SP>or the like]. COPYRIGHT: (C)2005,JPO&NCIPI
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