Lithium azide

Crystal structure
	__ Li + __ N 3 -
General
Surname	Lithium azide
other names	Lithium triazide
Ratio formula	LiN 3
Brief description	colorless solid
External identifiers / databases
EC number	243-177-1
ECHA InfoCard	100.039.237
PubChem	88163
Wikidata	Q2444495
properties
Molar mass	48.96 g mol −1
Physical state	firmly
density	1.84 g cm −3
Melting point	115–298 ° C (decomposition)
solubility	soluble in water
safety instructions
GHS labeling of hazardous substances danger
H and P phrases	H: 300 + 330-311
	EUH: 032
	P: 260-264-280-284-301 + 310
	As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Lithium azide is an inorganic chemical compound of lithium from the azide group .

Extraction and presentation

Lithium azide can be obtained by reacting sodium azide with lithium sulfate .

{\ displaystyle \ mathrm {2 \ NaN_ {3} + Li_ {2} SO_ {4} \ longrightarrow 2 \ LiN_ {3} + Na_ {2} SO_ {4}}}

It is also possible to produce it by reacting sodium azide with lithium chloride .

{\ displaystyle \ mathrm {NaN_ {3} + LiCl \ longrightarrow LiN_ {3} + NaCl}}

properties

Lithium azide is a colorless solid with very hygroscopic spear-shaped crystals that is soluble in water. It decomposes explosively when heated and has a monoclinic crystal structure with the space group C 2 / m (space group no. 12) and Z = 2. Template: room group / 12

Individual evidence

↑ ^a ^b ^c ^d ^e ^f Jean D'Ans, Ellen Lax: Pocket book for chemists and physicists . Springer, 1997, ISBN 3-540-60035-3 , pp. 536 f . ( limited preview in Google Book search).
↑ ^a ^b Datasheet Lithium azide solution, 20 wt.% In H ₂ O from Sigma-Aldrich , accessed on March 19, 2013 ( PDF ).
↑ ^a ^b Georg Brauer (Ed.), With the collaboration of Marianne Baudler u a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 457.

[Lax-1] ↑ ^a ^b ^c ^d ^e ^f Jean D'Ans, Ellen Lax: Pocket book for chemists and physicists . Springer, 1997, ISBN 3-540-60035-3 , pp. 536 f . ( limited preview in Google Book search).

[Sigma-2] Datasheet Lithium azide solution, 20 wt.% In H ₂ O from Sigma-Aldrich , accessed on March 19, 2013 ( PDF ).

[brauer-3] Georg Brauer (Ed.), With the collaboration of Marianne Baudler u a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 457.