Diaminopyrazole derivatives of the general Formula (I) or their physiological tolerated, water-soluble salts with inorganic or organic acids, ##STR1## and agents, containing these compounds, for the oxidative dyeing of fibers.

Derivatives de Diaminopyrazole da fórmula geral (I) ou seus sais physiological com ácidos inorgánicos ou orgânicos, ## do ## STR1 e agentes tolerados, water-soluble, contendo estes compostos, para tingir-se oxidative das fibras.