H 1705 (OTTO) 8-Hydroxy quinoline, 99% Cas 148-24-3 - used to prepare tris(8-hydroxyquinolinato)aluminum, which finds application as a component of organic light-emitting diodes (OLED's). H 1705 (OTTO) 8-Hydroxy quinoline, 99% Cas 148-24-3 - used as a reagent and as a stabilizer of hydrogen peroxide in a rocket fuel oxidizer.