Phenol - C6H6O

What is Phenol?

Phenol is an aromatic compound. The chemical formula of this organic compound is C6H6O. It is also known as phenolic acid. It consists of a hydroxyl group and phenyl group attached to each other. It considerably dissolves in water. Earlier it was used as carbolic soap. It is mildly acidic and is corrosive to the respiratory tract, eyes, and skin. It is a crystalline solid white in color and needs to be handled with care as it can cause chemical burns. Friedlieb Ferdinand Runge discovered Phenol in the year 1834. It was extracted from coal tar. If a compound is consisting of a six-membered aromatic ring and bonded to a hydroxyl group directly, then it can be referred to as phenol.

Properties of Phenol – C6H6O



Molecular Weight/ Molar Mass

94.11  g/mol


1.07 g/cm³

Melting Point

40.5 °C

Boiling Point

181.7 °C

Phenol structure – C6H6O

Phenol structure

C6H6O Uses (Phenol)

  • It is used as a precursor in drugs
  • It is used as an antiseptic
  • It is used in the production of nylon
  • It is used to preserve vaccines
  • It is used in oral analgesics
  • Derivatives of phenol are used in beauty products like hair color and sunscreen
  • It is used in the synthesis of plastics
  • It is used to produce detergents and carbonates


Learn more about the molecular weight, structure and the properties of C6H6O from the expert faculties at BYJU’S.

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In the given reaction [X] will be :