Be it dyes or stains, both of them play a crucial role in conducting microscopic analysis. The mentioned analysis cannot be carried out without both of these. In order to help researchers with easy conducting of microscopy, we offer Eosin Yellow that is highly demanded in conducting researches in the field of biochemistry and many more. The empirical formula and molecular weight of the mentioned organic compound is C20H6Br4Na2O5 and 691.85 g/mol, respectively. It is available in the form of powder that appears to be brownish red in color. Eosin Y is the abbreviated form of the offered chemical compound.