CA Index Name: Pyridinium, 4-[6-[4-(dibutylamino) phenyl]-1,3,5-hexatrienyl]-1-(4-sulfobutyl)-, inner salt
Other Names: 4-(N,N-Dibutylanilino)hexatrienyl-4'-pyridinium butanesulfonate; RH 237
Merck Index Number: Not listed
Chemical / Dye Class: Styryl
Molecular Formula: C29H40N2O3S
Molecular Weight: 496.71
Physical Form: Solid
Solubility: Soluble in ethanol, methanol, dimethyl sulfoxide
Melting Point: > 200 °C
Absorption (λmax): 528 nm
Emission (λmax): 782 nm
Synthesis: Synthetic method
Staining Applications: Atria; cardiac tissues; cardiac myocytes; neurons; proteins; Na+/K+-ATPase
Biological Applications: Measuring membrane potential; detecting Na+/K+-ATPase; examining activity of ion channels
Industrial Applications: Monitoring of polymerization
Safety / Toxicity: Cardiac toxicity