A dye widely used as an antifungal and antiparasitic agent in aqueous culture systems and is also used for fluorescently labeling of high molecular weight RNA molecules. Excitation and emission wavelengths in various solvents.
- Methanol: λex = 424 nm; λem = 518 nm
- Ethanol: λex = 426 nm; λem = 524 nm
- Propanol: λex = 430 nm; λem = 512 nm
- Butanol: λex = 430 nm; λem = 526 nm
- Formamide: λex = 434 nm; λem = 524 nm
- Glycerol: λex = 432 nm; λem = 540 nm
- Water: λex = 416 nm; λem = 514 nm