DiBAC4(3)
Name: DiBAC4(3)
CAS Registry Number: 70363-83-6
CA Index Name: 2,4,6(1H,3H,5H)-Pyrimidinetrione, 1,3-dibutyl-5-[3-(1,3-dibutylhexahydro-2,4,6-trioxo-5-pyrimidinyl)-2-propen-1-ylidene]-
Other Names: 2,4,6(1H,3H,5H)-Pyrimidinetrione, 1,3-dibutyl-5-[3-(1,3-dibutylhexahydro-2,4,6-trioxo-5-pyri-midinyl)-2-propenylidene]-; Bis(1,3-dibutylbarbituric acid) trimethine oxonol; DiBAC4(3)
Merck Index Number: Not listed
Chemical / Dye Class: Oxonol
Molecular Formula: C27H40N4O6
Molecular Weight: 516.63
Physical Form: Orange or brown-red powder
Solubility: Soluble in ethanol, methanol, N,N-dimethyl-formamide, dimethyl sulfoxide
Melting Point: > 200 °C
Boiling Point: 614.3 ± 65.0 °C, pressure: 760 Torr
pKa: 4.20 ± 0.20, most acidic, temperature: 25 °C; —2.17 ± 0.20, most basic, temperature: 25 °C
Absorption (λmax): 493 nm
Emission (λmax): 516 nm
Synthesis: Synthetic methods
Staining Applications: Bacteria; α- and β-cells in islets of Langerhans; Bacillus spores; cells; fungi; yeast
Biological Applications: Measuring membrane potential; HCN channel modulators; BK channel activator; treating Alzheimer’s disease; antimicrobial susceptibility test; ion channel screening assays; hERG channel assay
Industrial Applications: Photographic materials
Safety / Toxicity: Neurotoxicity
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