| | Common Uses | Common Form | Known IED Uses |
|---|
High Explosives |
|---|
| Ammonium nitrate and fuel oil (ANFO) | Mining and blasting1 | Solid | Oklahoma City bombing |
| Triacetone Triperoxide (TATP) | No common uses; mixed from other materials | Crystalline solid | 2005 bombings in London |
| Semtex, C-4 | Primarily military | Plastic solid | Irish Republican Army bombings |
| Ethylene glycol dinitrate (EGDN) | Component of low-freezing dynamite | Liquid | Millennium Bomber, intended for Los Angeles Airport, 1999 |
| Urea nitrate | Fertilizer | Crystalline solid | World Trade Center 1993 |
Low Explosives |
|---|
| Smokeless powder | Ammunition | Solid | Olympic Park bombings |
| 1Amonium nitrate (without fuel oil) is used as fertilizer. |
Official website of the Department of Homeland Security