N 8165 (OTTOKEMI) Nickel(II) acetylacetonate, 95% Cas 3264-82-2 - used as a precursor to nickel bis(cyclooctadiene) catalyst. N 8165 (OTTOKEMI) Nickel(II) acetylacetonate, 95% Cas 3264-82-2 - used in the deposition of nickel(II) oxide thin film by sol-gel techniques on conductive glass substrates.