Rhodamine dithenoyl hydrazide possesses excellent recognition and selectivity for Fe3+ ion. Rhodamine dithenoyl hydrazide exhibits Excitation/Emission maxima of 543/550-700 nm, respectively[1].
References
[1] Yi Liu, et al. A selective N,N-dithenoyl-rhodamine based fluorescent probe for Fe3+ detection in aqueous and living cells. J Environ Sci (China). 2020 Apr:90:180-188. DOI:10.1016/j.jes.2019.12.005