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Ferrocene

May 26, 2026

Researchers have achieved a major chemistry breakthrough by synthesizing a new carbon-free molecule that copies the unusual ‘sandwich’ structure of the famous carbon-containing ferrocene molecule.

About Ferrocene:

  • It is an orange crystalline organometallic compound with the formula Fe(C5H5)2.
  • It was first prepared in 1951 by the reaction of sodium cyclopentadienide with iron(+2) chloride.
  • Its discovery launched the field of organometallic chemistry, with numerous applications in materials science and medicine.
  • Properties:
    • It occurs as highly stable orange crystals with a melting point of 174° C (345° F).
    • Chemically, ferrocene behaves like benzene and other aromatic compounds in that it undergoes substitution reactions.
    • It has good solubility in a range of organic solvents but is insoluble in water. 
    • Unique structure: It consists of an iron atom sandwiched between two flat carbon ringed-molecules.
  • Applications:
    • It is a widely used compound in a variety of modern technologies.
    • It is used in medicines, batteries, advanced materials and electronics.

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