Phloxine is used as a food dye. In this study, genotoxicity of phloxine at the root tip Allium cepa L. was investigated. A. meristematic cells were treated with ten different doses phloxine. way, EC50 value determined. Then, applied to tips EC50/2, and EC50×2 doses. Treatment time determined 24, 48 72 hours. As result, it revealed that caused chromosomal aberrations in mitotic cycle cepa. There...