The active ingredient in Dettol is chloroxylenol.
Due to this dettol has antiseptic properties (C8H9ClO).
Chloroxylenol is an aromatic chemical compound.
It contains 4.9 total admixture and made up of pine oil, isopropanol, castor oil, soap and water.
Final Answer: The chemical responsible for the antiseptic properties of Dettol is chloroxylenol (C8H9ClO)