Triclosan is an aromatic ether that is phenol which is substituted at C-5 by a chloro group and at C-2 by a 2,4-dichlorophenoxy group. It is a polychloro phenoxy phenol with antibacterial and antifungal activity.
Triclosan (sometimes abbreviated as TCS) also known as 5-Chloro-2-(2,4-dichlorophenoxy)phenol, is an antibacterial and antifungal agent present in some consumer products, including toothpaste, soaps, detergents, toys, and surgical cleaning treatments.