safranin

Webster's Dictionary (1913)

Chemistry (a) An orange-red dyestuff extracted from the saffron. rare (b) A red dyestuff extracted from the safflower, and formerly used in dyeing wool, silk, and cotton pink and scarlet; — called also Spanish red, China lake, and carthamin. (c) An orange-red dyestuff prepared from certain nitro compounds of creosol, and used as a substitute for the safflower dye.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54