CA Index Name: Acetic acid, 2-[[2-methyl-8-[[(4-methylphenyl)sulfonyl]amino]-6-quinolinyl]oxy]-
Other Names: Acetic acid, [[2-methyl-8-[[(4-methyl-phenyl)sulfonyl]amino]-6-quinolinyl]oxy]-; Zinquin; Zinquin A; Zinquin acid
Merck Index Number: 10169
Chemical / Dye Class: Quinoline
Molecular Formula: C19H18N2O5S
Molecular Weight: 386.42
Physical Form: Off-white crystals
Solubility: Soluble in ethanol, methanol, dimethyl sulfoxide; slightly soluble in water
Melting Point: 198-200 °C
Boiling Point: 608.0 ± 65.0 °C, pressure: 760 Torr
pKa: 2.75 ± 0.40, most acidic, temperature: 25 °C; 3.88 ± 0.50, most basic, temperature: 25 °C
Absorption (λmax): 368 nm
Emission (λmax): 490 nm
Synthesis: Synthetic methods
Staining Applications: Zinc ions
Biological Applications: Zinc indicator; detecting apoptosis
Industrial Applications: Not reported
Safety / Toxicity: Zinc toxicity