Insurgents in Afghanistan also use potassium chlorate extensively as a key component in the production of improvised explosive devices . When significant effort was made to reduce the availability of ammonium nitrate fertilizer in Afghanistan , IED makers started using potassium chlorate as a cheap and effective alternative . In 2013 , 60 % of IEDs in Afghanistan used potassium chlorate , making it the most common ingredient used in IEDs . Potassium Chlorate was also the main ingredient in the car bomb used in 2002 Bali bombings that killed 202 people
2002 Bali bombings
2002 Bali bombings
Potassium chlorate