CA Index Name: 1,3-Benzenedicarboxylic acid, 4,4'-[1,4,10,13-tetraoxa-7,16-diazacyclooctadecane-7,16-diylbis(5-methoxy-6,2-benzofurandiyl)]bis-
Other Names: 1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane, 1,3-benzenedicarboxylic acid derivative; PBFI
Merck Index Number: Not listed
Chemical / Dye Class: Benzofuran
Molecular Formula: C46H46N2O16
Molecular Weight: 882.86
Physical Form: Brownish-yellow powder
Solubility: Soluble in methanol, dimethyl sulfoxide
Melting Point: > 200 °C
Boiling Point: 1058.8 ± 65.0 °C, pressure: 760 Torr
pKa: 2.96 ± 0.36, most acidic, temperature: 25 °C; 4.06 ± 0.40, most basic, temperature: 25 °C
Absorption (λmax): 336 nm
Emission (λmax): 557 nm
Synthesis: Synthetic methods
Staining Applications: Potassium ions; cells; liposomes
Biological Applications: Potassium indicator; monitoring cellular processes
Industrial Applications: Not reported
Safety / Toxicity: Carcinogenicity