盐基性红色染料
Safranine \Saf"ra*nine\ (? or ?), n. [So called because used as a substitute for safranin.] (Chem.) An orange-red nitrogenous dyestuff produced artificially by oxidizing certain aniline derivatives, and used in dyeing silk and wool; also, any one of the series of which safranine proper is the type.
safranine n : any of a class of chiefly red organic dyes [syn: {safranin}, {saffranine}]