The fluorescence of octadecyl rhodamine B in membranes is quenched at high dye concentration but is released at dilution. This property makes the dye useful for membrane fusion assays.
λEx/λ Em (MeOH) = 556/578 nm
Dark solid soluble in EtOH or DMSO
Store at -20°C and protect from light
C46H67ClN2O3
MW: 731.50