CA Index Name: 2,4,6(1H,3H,5H)-Pyrimidinetrione, 1,3-dibutyl-5-[5-(1,3-dibutylhexahydro-2,4,6-trioxo-5-pyrimidinyl)-2,4-pentadien-1-ylidene]-
Other Names: Bis(1,3-dibutylbarbituric acid)penta-methine oxonol; 2,4,6(1H,3H,5H)-Pyrimidinetrione, 1,3-dibutyl-5-[5-(1,3-dibutylhexahydro-2,4,6-trioxo-5-pyrimidinyl)-2,4-pentadienylidene]-; DiBAC4(5)
Merck Index Number: Not listed
Chemical / Dye Class: Oxonol
Molecular Formula: C29H42N4O6
Molecular Weight: 542.67
Physical Form: Grey powder
Solubility: Soluble in ethanol, methanol, dimethyl sulfoxide
Melting Point: > 200 °C
Boiling Point: 642.6 ± 65.0 °C, pressure: 760 Torr
pKa: 4.79 ± 0.20, most acidic, temperature: 25 °C; — 2.16 ± 0.20, most basic, temperature: 25 °C
Absorption (λmax): 590 nm
Emission (λmax): 616 nm
Synthesis: Synthetic methods
Staining Applications: Liposomes
Biological Applications: Measuring membrane potential; HCN channel modulators; potassium channel openers
Industrial Applications: Not reported
Safety / Toxicity: No data available