safranin
鹽基性紅色染料
saf·ra·nin /-nən/ 名詞
Saf·ra·nin n. Chem. (a) An orange-red dyestuff extracted from the saffron. [R.] (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.
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safranin
n : any of a class of chiefly red organic dyes [syn: safranine,
saffranine]