<unk>  carbonyl (IUPAC name:<unk> nickel) is the organonickel compound with the formula Ni(CO)4. This colorless liquid is the principal carbonyl of<unk> . It is an intermediate in the Mond process for producing very high-purity<unk>  and a reagent in organometallic chemistry, although the Mond Process has fallen out of common usage due to the health hazards in working with the compound.<unk>  carbonyl is one of the most dangerous substances yet encountered in<unk>  chemistry due to its very high toxicity, compounded with high volatility and rapid skin absorption.
Nickel tetracarbonyl
Gold salts
Zinc cadmium sulfide
Lewis lead
Hydrogen fluoride
Tetrachlorodecaoxide
Selenium disulfide
Carbon tetrachloride