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-, tetrakis [(acetyloxy)methyl] ester
Other Names: 1,4,10,13-Tetraoxa-7,16-diazacyclooctadecane, 1,3-benzenedicarboxylic acid derivative; PBFI AM
Merck Index Number: Not listed
Chemical / Dye Class: Benzofuran
Molecular Formula: C58H62N2O2
Molecular Weight: 1171.11
Physical Form: Yellowish-brown powder
Solubility: Soluble in methanol, dimethyl sulfoxide
Melting Point: > 200 °C
Boiling Point: 1136.6 ± 65.0 °C, pressure: 760 Torr
pKa: 3.79 ± 0.40, most basic, temperature: 25 °C
Absorption (λmax): 369 nm
Emission (λmax): Fluorescence is very weak
Synthesis: Synthetic methods
Staining Applications: Applications Potassium ions
Biological Applications: Potassium indicator
Industrial Applications: Not reported
Safety / Toxicity: No data available