Nickel Carbonyl

CAS RN:13463-39-3

Environmental Fate

TERRESTRIAL FATE: The removal of nickel carbonyl by precipitation or by adsorption on surfaces has not been documented. Since this compound is soluble in water, precipitation scavenging is possible. Nothing is known about its reaction with natural surfaces or its uptake by vegetation. Thus, dry deposition rates cannot be predicted until some experimental investigations have been conducted.
ATMOSPHERIC FATE: The only gaseous nickel compound of environmental importance is nickel carbonyl, Ni(CO)4. Optimum conditions for its formation occur when carbon monoxide, under high partial pressure, contacts an active form of Ni in the temperature range of 50-150 deg C. Under ambient conditions in moist air, it decomposes to form nickel carbonate. Thus, in the atmosphere at concentrations near the ppb level, it has a half-life of about 30 minutes.
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