Ammonium azide

Names
IUPAC name Ammonium azide
Other names Ammonium trinitride
Identifiers
CAS Number	12164-94-2
3D model (JSmol)	Interactive image
ChemSpider	8488511
ECHA InfoCard	100.032.093
EC Number	235-315-4
PubChemCID	61555
CompTox Dashboard(EPA)	DTXSID10923913
InChI InChI=1S/HN3.H3N/c1-3-2;/h1H;1H3 Key: MXZUDRZKSUUQRR-UHFFFAOYSA-N
SMILES [NH+4].[N-]=[N+]=[N-]
Properties
Chemical formula	[NH4]N3
Molar mass	60.060 g·mol−1
Appearance	Colorless or white crystalline solid
Odor	Odorless
Density	1.3459 g/cm3
Melting point	160 °C (320 °F; 433 K)
Boiling point	400 °C (752 °F; 673 K) (decomposes)
Structure[1]
Crystal structure	Orthorhombic
Space group	Pman
Lattice constant	a = 8.930,b = 8.642,c = 3.800
Formula units (Z)	4
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Very toxic, explosive
Related compounds
Otheranions	Ammonium nitrate Ammonium nitrite Ammonium cyanide Ammonium sulfamate Ammonium carbamate
Othercations	Lithium azide Sodium azide Potassium azide Rubidium azide Caesium azide Silver azide
Related compounds	Ammonia Hydrazoic acid Nitrosyl azide Chlorine azide
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

Ammonium azide is thechemical compound with theformula[NH₄]N₃, being the salt ofammonia andhydrazoic acid. Like other inorganicazides, this colourless crystallinesalt is a powerful explosive, although it has a remarkably low sensitivity.[NH₄]N₃ is physiologically active and inhalation of small amounts causes headaches andpalpitations. It was first obtained byTheodor Curtius in 1890, along with other azides.

Ammonium azide isionic, meaning it is asalt consisting ofammoniumcations[NH₄]⁺ andazideanionsN−3, therefore its formula is[NH₄]⁺[N₃]⁻. It is a structural isomer oftetrazene. Ammonium azide contains about 93%nitrogen by mass.

• Yakovleva, G. S.; Kurbangalina, R. Kh.; Stesik, L. N. (1977). "Detonation properties of ammonium azide".Combustion, Explosion, and Shock Waves.13 (3): 405.Bibcode:1977CESW...13..405Y.doi:10.1007/BF00740326.S2CID 93777687.
• Salim de Amorim, Helio; do Amaral, M. R.; Pattison P.; Ludka I. P.; Mendes, J. C. (2002)."Ammonium azide: A Commented Example of an Ab Initio Structure (Re-)Determination From X-Ray Diffraction"(PDF).Revista de la Sociedad Química de Mexico.45 (4):313–319.Archived(PDF) from the original on 2012-04-06.
• Curtius, Th. (1890)."Ueber Stickstoffwasserstoffsäure (Azoimid) N₃H".Berichte der Deutschen Chemischen Gesellschaft.23 (2):3023–3033.doi:10.1002/cber.189002302232.

• Schmidt, Eckart W. (2022). "Ammonium Azide".Azides and Azido Compounds.Encyclopedia of Liquid Fuels. De Gruyter. pp. 893–900.doi:10.1515/9783110750287-011.ISBN 978-3-11-075028-7.

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