News: The catastrophic explosion at Beirut port in Lebanon was caused by over 2,700 tonnes of ammonium nitrate kept in storage for over six years. Facts: Ammonium Nitrate(NH4NO3): It is a white, crystalline chemical which is soluble in water. Where is it used? It is a common industrial chemical used mainly for fertiliser and is… Continue reading Explained: What is ammonium nitrate, which caused the massive explosion in Beirut?