Nile Red

Nile red is used to localize and quantitate lipids, particularly neutral lipid droplets within cells. Nile red is almost nonfluorescent in water and other polar solvents but undergoes fluorescence enhancement and large absorption and emission blue shifts in nonpolar environments.Dark red solid soluble in DMF and DMSO,Abs/em=552nm /636 nm (methanol),Store at 4°C and protect from light,C20H18N2O2M,MWt: 318.37,[7385-67-3],