Where a large amount of ammonium nitrate recently cause an explosion?

Beirut Ammonium Nitrate Blast: Analysis, Review, and Recommendations. A massive chemical detonation occurred on August 4, 2020 in the Port of Beirut, Lebanon. An uncontrolled fire in an adjacent warehouse ignited ~2,750 tons of Ammonium Nitrate (AN), producing one of the most devastating blasts in recent history.

What would cause ammonium nitrate to explode?

Ammonium nitrate prills provide a much more concentrated supply of oxygen than the air around us. At high enough temperatures, however, ammonium nitrate can violently decompose on its own. This process creates gases including nitrogen oxides and water vapour. It is this rapid release of gases that causes an explosion.

Is ammonium nitrate safe?

Under normal handling conditions, ammonium nitrate is not harmful. However, inhalation of high concentrations of ammonium nitrate dust can cause respiratory tract irritation. Symptoms may include: coughing, sore throat, shortness of breath, or even suffocation.

What happens when ammonium nitrate is heated?

When ammonium nitrate is heated, it decomposes exothermically into nitrous oxide and water.

Is ammonium nitrate hazardous?

Ammonium nitrate is moderately toxic if large amounts are swallowed.

Is there a chemical advisory for solid ammonium nitrate?

Chemical Advisory – Solid Ammonium Nitrate (AN) Storage, Handling and Management. This advisory contains information on recent and past accidents involving AMMONIUM NITRATE (commonly referred to as AN), on the hazards of AN, how to manage these hazards, and appropriate steps for community emergency planning and proper emergency response.

What do employers need to know about ammonium nitrate storage buildings?

The employer must show that their chosen coating or cladding is impermeable to ammonium nitrate. Flooring in ammonium nitrate storage buildings is almost universally made of concrete because it can withstand heavy loads and vehicle wear and tear.

How long do you have to keep ammonium nitrate Records?

The regulation will require businesses to keep records of all ammonium nitrate transactions for two years, and CISA may inspect and audit facility records to ensure compliance. Read more about the statues and regulations that govern the security of ammonium nitrate.

What is ammonium nitrate used for in everyday life?

It is principally used as an agricultural fertilizer, in the manufacturing of first aid products (such as cold packs), and explosives used in the mining and construction industries. In addition to its many legitimate uses, ammonium nitrate was the primary explosive used in the deadly Oklahoma City bombing in April 1995.