C<sub>6</sub>H<sub>5</sub> - Phenyl

What is Phenyl?

Phenyl group is also referred to as aryl phenols, are compounds composed of a phenolic group connected directly to another aromatic ring. Any functional group containing an aromatic group, an aryl group is represented by Ar. Phenyl group is formed when a hydrogen atom is removed from the benzene ring. The phenyl group can then join to another atom or group of atoms. Aromatic phenyl group in the bridging polyene structures can improve thermo and photochemical stabilities of chromophores.

Other names – Phenyl radical

C6H5 Phenyl
Density 1.248 g/mL at 25 °C
Molecular Weight/ Molar Mass 77.106 g/mol
Boiling Point 232.2±7.0 °C at 760 mmHg
Melting Point −30 °C
Chemical Formula C6H5

Phenyl Structure – C6H5


Phenyl Structure

Physical Properties of Phenyl – C6H5

Odour Phenyl smell
Appearance White crystalline solid
Covalently-Bonded Unit 1
Heavy Atom Count 6
Complexity 27
Solubility Poorly soluble in water

Chemical Properties of Phenyl – C6H5

    • Phenyl group as phenol reacts with bromine solution forms bromo substituted phenol and hydrogen bromide. The chemical equation is given below.

2C6H5OH + 5Br2 → 2C6H2Br2OH + 6HBr

Uses of Phenyl – C6H5

  • Used today in combination with other phenolics in various institutional and domestic disinfectant formulations.
  • Used to destroy odour and promote sanitation.
  • Used in public places like schools, hotels, stores and offices as a disinfectant.
  • Possesses pharmacological properties and used as antioxidant, analgesics, choleretic, etc.

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