| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a triphenylmethane compound having features of high sharpness and color development potential and excellent in terms of fastness properties such as heat resistance, etc. and an oil or aqueous dye composition of the same.SOLUTION: The provided triphenylmethane compound is expressed by the following formula (1): (in the formula (1), Rand Rare mutually independent and each express: a hydrogen atom; an alkyl group having 1-10 carbon atoms; a phenyl group possessing a substituent selected from the group consisting of alkyl groups having 1-4 carbon atoms and alkoxy groups having 1-4 carbon atoms; or a non-substituted phenyl group, whereas Rthrough Rare mutually independent and each express a hydrogen atom or an alkyl group having 1-10 carbon atoms, whereas the group A expresses an alkyl group having 1-4 carbon atoms or a fluoroalkyl group having 1-4 carbon atoms).</p> |
