Lindane is a chemical compound and an insecticide that belongs to the class of organochlorine pesticides. Specifically, it is a benzene hexachloride (BHC) isomer, with the gamma-isomer being the most commonly known form of lindane. The chemical structure of lindane is represented by gamma-benzene hexachloride, and its molecular formula is C6H6Cl6.

Structure of BHCor benzene hexachloride

BHC, or benzene hexachloride, is a chemical compound in several isomeric forms. The most well-known isomer is gamma-benzene hexachloride (γ-BHC), which is commonly referred to as lindane. Here’s the structure of gamma-benzene hexachloride:

Uses of BHC (Lindane)

1. Insecticide: Lindane, a gamma isomer of BHC, has historically been used to control agricultural pests and insect vectors of diseases. It is effective against various parasites such as lice and scabies.

2. Veterinary Applications: Lindane has been used in veterinary medicine to control parasites on animals.

Many countries have phased out or heavily restricted the use of BHC, particularly lindane, due to environmental and health concerns. Lindane, listed as a persistent organic pollutant (POP), faces bans or severe limitations under international agreements like the Stockholm Convention on Persistent Organic Pollutants. This action is prompted by concerns about its environmental persistence, bioaccumulation, and potential adverse effects on human health and wildlife. Safer and more environmentally friendly alternatives have largely replaced the compound for pest control.