11. CN fertiliser contains approximately 15 % crystal water that minimises the oxidising properties of the material. 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’. ': SABC staff protest amid possible retrenchments, Chaos at EFF's Brackenfell protest as white man in lycra intervenes. Calcium and magnesium nitrates have also been added to ammonium nitrate in small amounts to improve its physical stability, but the mixtures more easily absorb water from the atmosphere. Dermal: LD50 rat: expected > 2000 mg/kg. Witnesses reported seeing a strange, orange cloud similar to the one which appears when toxic nitrogen dioxide gas is released as a result of an explosion involving nitrates. Hazardous polymerization: Will not occur. Ammonium nitrate is a common industrial chemical that is often used for fertiliser, as it provides plants with a good source of nitrogen and is relatively cheap to make. But it is extremely dangerous if contaminated, mixed with fuel or stored unsafely. Calcium Nitrate fertiliser. Toxicological Information Chemical name: Ammonium nitrate. Refusal to sanitise leaves former ANC KZN leader in custody after ... WATCH | Lebanese bride happy to be alive after blast cuts short wedding. SSAN licensing system (5 year renewal, annual fee) Only specifically authorised persons may possess SSAN and have unsupervised access to them. 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. 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 … - Experts have noted the colour of the smoke and "mushroom cloud" seen in footage of Tuesday's blast as characteristic of ammonium nitrate explosions. Just what is ammonium nitrate – and why is it considered so dangerous? A massive warehouse explosion in Beirut killed at least 100 people and injured nearly 4,000. secure means secure from— Authorised persons are either licence holders or so-called secure nominees of licence holders. Many of the homemade bombs that were used against U.S. troops in Afghanistan contained ammonium nitrate. Get your need-to-know 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. Smoke rises from the site of an explosion in Beirut, Lebanon August 4, 2020. The reaction is as follows. At least 567 people were killed and more than 5,000 injured. The larger the quantity, the more risk it will detonate. 2NH4NO3 + Ca(OH)2 → Ca(NO 3) 2 + 2NH4OH. Inhalation: 4 hrs LC50 rat: > 88 mg/l. -A large quantity of ammonium nitrate exposed to intense heat can trigger an explosion. WATCH | Massive blast leaves at least 10 dead in Beirut, sends shockwaves ... Trump announces grisly death of Islamic State leader Baghdadi during US raid, 'Depoliticise our board! Hazardous decomposition products: Calcium ammonium nitrate melts and decomposes when strongly heated, releasing toxic fumes (NOx). Production. Although it is unclear what caused the blast, Interior Minister Mohammed Fahmi told a local TV station it appeared to have been triggered by the detonation of more than 2,700 tons of ammonium nitrate, which had been stored in a warehouse at the port where the explosion happened. Acute toxicity: Oral: LD50 rat: 2300 mg/kg. However, if it is contaminated with impurities, the risk of it detonating increases. "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. Ammonium nitrate can be mixed with other substances to make a bomb. Aluminum sulfate has also been used as a drying … Properties of Calcium Nitrate – Ca(NO 3) 2. However, it does include calcium ammonium nitrate (CAN), which is not a dangerous good under the UN classification system. 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. Ammonium nitrate is a crystal-like white solid which is made in large industrial quantities. Some of the world's deadliest industrial accidents were caused by ammonium nitrate explosions: - In 1921, an explosion of ammonium sulphate and nitrate fertiliser at the Oppau plant in Germany killed 565 people. 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.