Source : Webster's Revised Unabridged Dictionary (1913)

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.

Source : WordNet®

safranine
     n : any of a class of chiefly red organic dyes [syn: {safranin},
          {saffranine}]