| 摘要 |
PROBLEM TO BE SOLVED: To provide a new 2,5-diamino-1-aminomethylbenzene derivative, and to provide an agent for dyeing fibers, containing the compound. SOLUTION: A 2,5-diamino-1-aminomethylbenzene derivative of the general formula I or a physiologically mild water-soluble salt thereof. Concretely, for example, 4-(2,5-diamino-benzylamino)-aniline hydrochloride. The agent for the oxidative dyeing of fibers (especially hair), containing the compound.
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