CA Index Name: 4,6(1H,5H)-Pyrimidinedione, 5-[3-(1,3-diethylhexahydro-4,6-dioxo-2-thioxo-5-pyrimidinyl)-2-propen-1-ylidene]-1,3-diethyldihydro-2-thioxo-
Other Names: 4,6(1H,5H)-Pyrimidinedione, 5-[3-(1,3-diethylhexahydro-4,6-dioxo-2-thioxo-5-pyrimidi-nyl)-2-propenylidene]-1,3-diethyldihydro-2-thioxo-; Bis(1,3-diethylthiobarbituric acid)trimethine oxonol; DiSBAC2(3)
Merck Index Number: Not listed
Chemical / Dye Class: Oxonol
Molecular Formula: C19H24N4O4S2
Molecular Weight: 436.55
Physical Form: Purple powder
Solubility: Soluble in ethanol, methanol, dimethyl sulfoxide
Melting Point: 545.0 ± 60.0 °C, pressure 760 Torr
pKa: 3.72 ± 0.20, most acidic, temperature: 25 °C; —2.49 ± 0.20, most basic, temperature: 25 °C
Absorption (λmax): 535 nm
Emission (λmax): 560 nm
Synthesis: Synthetic methods
Staining Applications: Cells; clostridial toxin substrate; endothelial cells; lipid particles; myocardium; neurons; islets of Langerhans; epithelial cells
Biological Applications: Measuring membrane potential; ion channel screening assays; taste modulators screening assays; detecting cystic fibrosis transmembrane conductance regulator (CFTR); HCN channel modulators; BK channel openers
Industrial Applications: Photographic materials
Safety / Toxicity: No data available