The active ingredients found in mosquito coils can be some of the following:[6]
- Pyrethrum (Natural, powdered material from a kind of chrysanthemum plant; performance moderated)
- Pyrethrins (Extract of insecticidal chemicals in pyrethrum)
- Allethrin (sometimes d-trans-allethrin) (The first synthetic pyrethroid)
- Esbiothrin (A form of allethrin)
- Dibutyl hydroxyl toluene (BHT) (An optional additive to prevent pyrethroid from oxidizing during burning)
- Piperonyl butoxide (PBO) (An optional additive to improve the effectiveness of pyrethroid)
- N-(2-ethylhexyl)-bicyclo-(2,2,1)hept-5-ene-2,3-dicarboximide (MGK 264) (An optional additive to improve effectiveness of a pyrethroid)
