Definition: A tetraiodofluorescein used as a red coloring in some foods (cherries, fish), as a disclosure of DENTAL PLAQUE, and as a stain of some cell types. It has structural similarity to THYROXINE.
do not confuse with Erythrocin, a brand of ERYTHROMYCIN
Pharmacological ActionFluorescent Dyes
Other names FD & C Red No. 3; FDC Red No. 3; F D & C #3; Erythrosine B; Erythrosin B; Erythrosin; 2',4',5',7'-Tetraiodofluorescein