The molecule is a pyridinium cation with a 3-(triethylammonio)propyl substituent at the 1-position and a 6-[4-(dibutylamino)phenyl]hexa-1,3,5-trien-1-yl substituent at the 4-position. It has a role as a fluorochrome. It is a tertiary amine, a pyridinium ion and a quaternary ammonium ion.
3-[4-[(1E,3E,5E)-6-[4-(dibutylamino)phenyl]hexa-1,3,5-trienyl]pyridin-1-ium-1-yl]propyl-triethylazanium