Ammonium perchlorate was used in the disaster that occurred in what city?
Ammonium perchlorate Ammonium perchlorate ("AP") is an inorganic compound with the formula NHClO. It is a colorless or white solid that is soluble in water. Perchlorate is a powerful oxidizer and ammonium is a good fuel. This combination explains the usefulness of this material as a rocket propellant. Its instability has involved it in a number of accidents, such as the PEPCON disaster.
2015 Tennessee train derailment The 2015 Tennessee train derailment occurred on July 2, 2015. A CSX Transportation train derailed at Maryville, Tennessee. The train was carrying toxic chemicals, leading to an evacuation of over 5,000 people.