"The Beirut blast looks like an accident, unless it was arson.". Calcium ammonium nitrate is a nitrous fertiliser, therefore substantial spreading is likely to have a negative impact on the environment, contaminating enclosed water surfaces and affecting eutrophy, or contaminating lands, running waters or the underground water with nitrate. Hazardous polymerization: Will not occur. Lebanese President Michel Aoun said 2,750 tonnes of ammonium nitrate had been stored for six years at the port without safety measures. At least 567 people were killed and more than 5,000 injured. That tells me the oxygen balance was not correct - so it wasn’t mixed as an explosive," he said. The reaction is as follows. Smoke rises from the site of an explosion in Beirut, Lebanon August 4, 2020. 2NH4NO3 + Ca(OH)2 → Ca(NO 3) 2 + 2NH4OH. In its pure form, ammonium nitrate isn’t usually explosive – in fact, it’s safe to handle. It was used in Irish Republican Army (IRA) bombings in London in the 1990s, the 1995 explosion that blew up a federal building in Oklahoma City, killing 168 people, and the 2002 blasts in Bali nightclubs in which more than 200 died. 3. The death toll from the blast is expected to keep on rising, with officials describing the blast – which sent shockwaves across the city – as the most powerful explosion to hit Beirut in years. In some cases, it has been used in explosives having been used to make bombs in a number of terrorist attacks in recent decades because it is cheap and easy to obtain. outlined in state and territory based dangerous goods legislation and you should also take note of relevant product safety data sheets. Register (it’s quick and free) or sign in now. Hazardous decomposition products: Calcium ammonium nitrate melts and decomposes when strongly heated, releasing toxic fumes (NOx). Calcium Nitrate fertiliser. "Video footage of the incident show initial white-grey smoke followed by an explosion that released a large cloud of red-brown smoke and a large white 'mushroom cloud'. -A large quantity of ammonium nitrate exposed to intense heat can trigger an explosion. Lebanon is entering a period of mourning in the wake of the devastating explosion in its capital Beirut, which has so far claimed more than 100 lives and left thousands more injured. "On a scale, this explosion is scaled down from a nuclear bomb rather than up from a conventional bomb," said Roland Alford, managing director of Alford Technologies, a British company that specialises in disposal of explosive ordnance. more than 100 lives and left thousands more injured. But it is extremely dangerous if contaminated, mixed with fuel or stored unsafely. Properties of Calcium Nitrate – Ca(NO 3) 2. "If you make ammonium nitrate explosive, you shouldn’t get that brown plume. If it burns, the compound releases gases including nitrogen oxides and water vapour – and it’s this which can lead to a violent explosion as these gases build up and are then rapidly released. Heating also poses a danger: ammonium nitrate decomposes at around 230˚C, and can explode when heated to … However it is quite difficult for it to actually ignite, normally only doing so at very high temperatures. One variety of calcium ammonium nitrate is made by adding powdered limestone to ammonium nitrate; another, fully water-soluble version, is a mixture of calcium nitrate and ammonium nitrate, which crystallizes as a hydrated double salt: 5Ca(NO 3) 2 •NH 4 NO 3 •10H 2 O. secure means secure from— - Experts have noted the colour of the smoke and "mushroom cloud" seen in footage of Tuesday's blast as characteristic of ammonium nitrate explosions. The term "calcium ammonium nitrate" is applied to multiple different, but closely related formulations. latest news, feel-good stories, analysis and more, Man ‘wakes from dead’ when his leg is sliced open for embalming in morgue, Coronavirus news live: Another 498 deaths recorded and the new three-tier lockdown rules explained, Village called ‘F**king’ changes name after tourists keep having sex by its sign, Man stabbed to death ‘with broken bottle’ after ‘defending girlfriend from yobs’, Five MPs ‘cheated death after explosives smuggled into Paris conference’. 2.2. CN fertiliser contains approximately 15 % crystal water that minimises the oxidising properties of the material. Acute toxicity: Oral: LD50 rat: 2300 mg/kg. Explosives of Class 1 are excluded.) It was used in the IRA bomb attacks on the Baltic Exchange and Bishopsgate in the City Of London in 1992 and 1993, as well as the car bomb which struck Docklands in 1996, and in the Manchester city centre bomb attack in 1999. SSAN licensing system (5 year renewal, annual fee) Only specifically authorised persons may possess SSAN and have unsupervised access to them. As well as being widely used in agriculture, the chemical is also commonly used in mining and civil construction. Follow Metro across our social channels, on Facebook, Twitter and Instagram. Ammonium nitrate isn't even classed as an explosive, Oxley said. On its own ammonium nitrate is not considered dangerous, but can be lethal under certain conditions – and needs to be treated with care to ensure that this doesn’t happen. Please read our Comment Policy before commenting. ': SABC staff protest amid possible retrenchments, Chaos at EFF's Brackenfell protest as white man in lycra intervenes. -Ammonium nitrate stored at a Texas fertiliser plant detonated in an explosion that killed 14 and injured about 200 in 2013. Calcium nitrate is also formed when an ammonium nitrate solution is mixed with a calcium hydroxide solution. DEFINITIONS security sensitive ammonium nitrate (SSAN) means— ammonium nitrate, ammonium nitrate emulsions and ammonium nitrate mixtures containing greater than 45% ammonium nitrate, excluding solutions and ammonium nitrate products classified … © 2020 Arena Holdings (Pty) Ltd. All rights reserved. MORE : Before and after pictures show scale of chaos and destruction caused by Beirut blast. Calcium ammonium nitrate (CAN), prepared from ammonium nitrate and calcium carbonate, is used in some cases as an alternative to ammonium nitrate. However, if it is contaminated with impurities, the risk of it detonating increases. Refusal to sanitise leaves former ANC KZN leader in custody after ... WATCH | Lebanese bride happy to be alive after blast cuts short wedding. Inhalation: 4 hrs LC50 rat: > 88 mg/l. Would you like to comment on this article or view other readers' comments? Authorised persons are either licence holders or so-called secure nominees of licence holders.

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