hexacarbonyliron

Hexacarbonyliron, also known as iron pentacarbonyl, has the chemical formula Fe(CO)5. It is a highly volatile, pyrophoric liquid with a pungent odor, and it is a member of the metal carbonyl class of chemical compounds. Hexacarbonyliron is a pale yellow liquid that is insoluble in water but soluble in organic solvents. It is one of the simplest and most common iron carbonyl complexes.

The synthesis of hexacarbonyliron typically involves the reaction of iron powder with carbon monoxide under high pressure and elevated temperatures. Alternatively, it can be prepared by heating iron salts in a stream of carbon monoxide. The compound is considered a significant source of elemental iron in various chemical processes.

Hexacarbonyliron is primarily used as a precursor in the production of pure iron powders and magnetic recording media. It has also found applications in homogeneous catalysis, particularly in reactions involving carbonylation. Due to its toxicity and flammability, handling hexacarbonyliron requires strict safety precautions, including working in a well-ventilated area and avoiding contact with air and ignition sources. It is classified as a hazardous substance.