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Substance:Ammonium nitrate

(Redirected from Ammonium nitrate)

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• Molecular formula: H₄N₂O₃
• Molar mass: 80.043
• CAS Registry Number: Not available
• Appearance: Ammonium nitrate, ACS, 95% min; Ammonium nitrate, Puratronic®, 99.999% (metals basis); Ammonium nitrate, ACS, 95% min; Ammonium nitrate, Puratronic®, 99.999% (metals basis)
• Melting point: 169 to 170
• Boiling point: 210 °C
• Solubility: Freely soluble in water
• Safety sheet: Not available
• Spectra: ChemSpider (IR), also check on SDBS. Add Spectra (Help).

From Wikipedia

The chemical compound ammonium nitrate, the nitrate salt of ammonium, has the chemical formula NH₄NO₃, simplified to N₂H₄O₃. It is a white crystalline solid and is highly soluble in water. It is predominantly used in agriculture as a high-nitrogenfertilizer. The compound is used as an explosive in mining, and also sometimes in improvised explosive devices. It is the main component of ANFO, a popular explosive, which accounts for 80% of explosives used in North America. It is used in some instant cold packs, as hydrating the salt is an endothermic process, though it is being phased out of use in many countries due to concerns over its potential for use in improvised explosive devices and the synthesis of illicit substances. Ammonium nitrate has also been controversially used as a cheap airbag propellant in automobile airbags, most notably by the Takata Corporation.

Ammonium nitrate is found as a natural mineral (ammonia nitre—the ammonium analogue of saltpetre and other nitre minerals such assodium nitrate) in the driest regions of the Atacama Desert in Chile, often as a crust on the ground and/or in conjunction with other nitrate, chlorate, iodate, and halide minerals. Ammonium nitrate was mined there in the past, but virtually 100% of the chemical now used is synthetic.

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Other names

Ammonium nitrate (IUPAC Name)