| Identification | Back Directory | [Name]
LITHIUM AZIDE | [CAS]
19597-69-4 | [Synonyms]
LITHIUM AZIDE
Lthium triazide
lithium triazide
lithiumazide(li(n3))
lithium azide solution
LithiuM Azide (Aqueous Solution)
Lithium azide, 20% Solution in Water
LithiuM azide, 20 wt.% solution in H2O
LithiuM azide solution 20 wt. % in H2O
Lithium azide,pure,20% solution in water
LITHIUM AZIDE, 20 WT. % SOLUTION IN WATE R
Lithium azide, 20% solution in water, pure
Lithium azide, moistened with ca 10% methanol,99% | [EINECS(EC#)]
243-177-1 | [Molecular Formula]
LiN3 | [MDL Number]
MFCD00041956 | [MOL File]
19597-69-4.mol | [Molecular Weight]
48.96 |
| Chemical Properties | Back Directory | [Appearance]
clear colorless solution | [Melting point ]
decomposes at 115–298℃ [CRC10] | [Boiling point ]
103 °C
| [density ]
1.088 g/mL at 25 °C
| [solubility ]
soluble in Water | [form ]
Liquid | [color ]
Clear colorless | [Water Solubility ]
g/100g H2O: 61.3 (0°C), 67.2 (20°C), 86.6 (60°C) [LAN05] | [EPA Substance Registry System]
Lithium azide (Li(N3)) (19597-69-4) |
| Hazard Information | Back Directory | [Chemical Properties]
clear colorless solution | [Uses]
Lithium azide is the lithium salt of Hydrazoic acid and is used to carry out azidolysis reactions (in Acetonitrile), as well as ring opening reactions of aromatics such as Styrene oxide (S687795). | [Preparation]
With gentle warming, NaN3 (91.30 g.) and LiSO4-H2O (1.41 g.)
are dissolved in 7 ml. of H2O. Then 35 ml. of 96% alcohol is added
with shaking. The solution is filtered after ten minutes and the
residue of Na2SO4 and LiSO4 washed with alcohol. The filtrate
and wash solutions are evaporated on a water bath and dried in a
drying oven at 80°C. This crude product is digested at 35°C for
two minutes with 10 ml. of 96% alcohol and filtered, and the solution
is dried as described above. The yield is 0.6 g of 99.5% Lithium azide. | [Purification Methods]
Digest ~1g with 15mL of 96% EtOH at 35o, filter and dry it in air at temperatures below 80o. Store it in a cool place and treat it as potentially explosive. Its solubility in H2O is 66.4% at16o, and 20.26% at16o in EtOH. [Hofmann-Bang Acta Chem Scand 11 581 1957, Schenk in Handbook of Preparative Inorganic Chemistry (Ed. Brauer) Academic Press Vol I p 581 1963.] |
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