CA Index Name: 5(4H)-Isoxazolone, 4-[5-(5-hydroxy-3-propyl-4-isoxazolyl)-2,4-pentadien-1-ylidene]-3-propyl-
Other Names: 1,5-Bis(5-oxo-3-propylisoxazol-4-yl) pentamethine oxonol; Bis[3-porpyl-5-oxoisoxazol-4-yl] pentamethineoxonol; 5(4H)-Isoxazolone, 4-[5-(5-hydroxy-3-propyl-4-isoxazolyl)-2,4-pentadienylidene]-3-propyl-; OX-VI; Oxonol VI
Merck Index Number: Not listed
Chemical / Dye Class: Oxonol; Isoxazole
Molecular Formula: C17H20N2O4
Molecular Weight: 316.35
Physical Form: Dark brown powder
Solubility: Soluble in ethanol, methanol, dimethyl sulfoxide
Melting Point: 499.4 ± 55.0 °C, pressure: 760 Torr
pKa: 5.40 ± 0.50, most acidic, temperature: 25 °C; —2.35 ± 0.50, most basic, temperature: 25 °C
Absorption (λmax): 599 nm
Emission (λmax): 634 nm
Synthesis: Synthetic methods
Staining Applications: Bacteria; liposomes; proteoliposomes; lipid particles; lipid vesicles; proteins; sarcoplasmic reticulum; submitochondrial particles
Biological Applications: Measuring membrane potential; treating Alzheimer’s disease; potassium channel openers
Industrial Applications: Not reported
Safety / Toxicity: No data available