CA Index Name: Pyridinium, 4-[2-[6-(dibutylamino)-2-naphthalenyl]ethenyl]-1-(3-sulfopropyl)-, inner salt
Other Names: 6-[2-(N,N-Dibutylamino)naphthyl]ethenyl-4'-pyridinium propanesulfonate; 4-(2-(6-(Dibutyla-mino)-2-naphthalenyl)ethenyl)-1-(3-sulfopropyl)pyridinium hydroxide inner salt; Di-4-ANEPPS; JPW 211; 1-(3- Sulfonatopropyl)4-[b-[2-(di-n-butylamino)-6-naphthyl]vinyl]pyridinium betaine
Merck Index Number: Not listed
Chemical / Dye Class: Styryl
Molecular Formula: C28H36N2O3S
Molecular Weight: 480.66
Physical Form: Orange to red powder
Solubility: Soluble in ethanol, methanol, N,N-dimethylformamide, dimethyl sulfoxide
Melting Point: 122-124 °C
Absorption (λmax): 495 nm
Emission (λmax): 705 nm
Synthesis: Synthetic method
Staining Applications: Bacteria; cardiac tissues; myocardium; neurons; proteins
Biological Applications: Measuring membrane potential; preventing arrhythmias; probes for Na,K-AT-Pase reaction mechanism; assays for identifying taste-specific genes; quantum dots
Industrial Applications: Monitoring polymerization
Safety / Toxicity: Cardiac toxicity; photodynamic damage