Factbox: What is ammonium nitrate and why is it dangerous? – Reuters UK

A view shows broken buildings near the website of Tuesdays blast in Beiruts port location, Lebanon August 5, 2020. REUTERS/Mohamed Azakir

* Andrea Sella, professor of Inorganic Chemistry at University College London, said of the Beirut blast: “The idea that such a quantity would have been left unattended for six years beggars belief, and was a mishap waiting to happen.”.
USAGE IN BOMBINGS.
Ammonium nitrate can be blended with other compounds to make a bomb. It was utilized in Irish Republican Army (IRA) bombings in London in the 1990s, the 1995 explosion that blew up a federal building in Oklahoma City, eliminating 168 individuals, and the 2002 blasts in Bali clubs in which more than 200 died. Numerous of the homemade bombs that were utilized against U.S. soldiers in Afghanistan included ammonium nitrate.
Reporting by Maayan Lubell, Guy Faulconbridge and Josephine Mason; Editing by Jeffrey Heller and Janet Lawrence.

A basic view of the area harmed by a huge explosion and a blast wave, in Beirut, Lebanon August 5, 2020 in this photo acquired from social media. Picture taken with a drone. Instagram/ @Rabzthecopter/ via REUTERS.

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* Ammonium nitrate is an industrial chemical commonly used in fertilisers and as an explosive for quarrying and mining. * A big amount of ammonium nitrate exposed to intense heat can set off a surge.” If you make ammonium nitrate explosive, you should not get that brown plume. Ammonium nitrate can be blended with other substances to make a bomb. Numerous of the homemade bombs that were utilized against U.S. soldiers in Afghanistan included ammonium nitrate.

Below are information of ammonium nitrate and skilled comment:
* Ammonium nitrate is a commercial chemical frequently used in fertilisers and as an explosive for mining and quarrying. If uncontaminated and saved appropriately, it is an oxidiser thought about fairly safe. But it is very hazardous if polluted, mixed with fuel or kept unsafely.
* A large amount of ammonium nitrate exposed to extreme heat can activate a surge. Storing the chemical near big fuel tanks, in bulk in large amounts and in a poorly-ventilated center might trigger a massive blast. The bigger the amount, the more risk it will detonate.
” On a scale, this explosion is scaled down from a nuclear bomb rather than up from a traditional bomb,” said Roland Alford, handling director of Alford Technologies, a British company that specialises in disposal of explosive ordnance. “This is probably up there amongst the greatest non-nuclear explosions of all time.”
* Experts have actually noted the colour of the smoke and “mushroom cloud” seen in footage of Tuesdays blast as particular of ammonium nitrate explosions.
” Video video of the incident program initial white-grey smoke followed by a surge that released a large cloud of red-brown smoke and a large white mushroom cloud. These show that the gasses launched are white ammonium nitrate fumes, harmful, red/brown nitrous oxide and water,” said Stewart Walker from the school of Forensic, Environmental and Analytical Chemistry at Flinders University..
” If you make ammonium nitrate dynamite, you should not get that brown plume. That informs me the oxygen balance was not proper – so it wasnt mixed as an explosive,” he stated. “The Beirut blast looks like an accident, unless it was arson.”.
PAST ACCIDENTS.
A few of the worlds deadliest commercial accidents were triggered by ammonium nitrate explosions:.
* In 1921, a surge of ammonium sulphate and nitrate fertiliser at the Oppau plant in Germany eliminated 565 individuals.
* In 1947, a fire detonated around 2,300 tonnes of the chemical aboard a vessel in the U.S. port of Texas City, triggering a tidal wave. A minimum of 567 individuals were eliminated and more than 5,000 hurt.
* In Toulouse, France in 2001, a surge at an ammonium nitrate depot eliminated 31 and injured 2,500.
* Ammonium nitrate kept at a Texas fertiliser plant detonated in an explosion that eliminated 14 and injured about 200 in 2013.
* In 2015, explosions at a warehouse saving ammonium nitrate and other chemicals in the Chinese port of Tianjin eliminated a minimum of 116 people.

(Reuters) – A massive storage facility explosion in Beirut killed a minimum of 100 individuals and injured nearly 4,000. Lebanese President Michel Aoun stated 2,750 tonnes of ammonium nitrate had actually been saved for 6 years at the port without precaution.