Iron(III) azide

Iron(III) azide  Names

Other names

* Ferric azide
* Iron triazide

Identifiers

CAS Number

* 14215-32-8

3D model (JSmol)

* Interactive image

ChemSpider |

* 57449725

PubChem CID

* 57348355

CompTox Dashboard (EPA)

* DTXSID00721622

InChI

* InChI=1S/Fe.3N3/c;3*1-3-2/q+3;3*-1

Key: MKNZTJIHKCVUHC-UHFFFAOYSA-N

SMILES

* [N-]=[N+]=[N-].[N-]=[N+]=[N-].[N-]=[N+]=[N-].[Fe+3]

Properties

Chemical formula

| Fe(N

Molar mass | 181.9053 g/mol
Appearance  | Dark brown solid[1]
Melting point | Explodes
Solubility | Soluble in methanol
Hazards
GHS pictograms |
GHS Signal word | Danger
Related compounds

Other cations

| Cobalt(II) azide
Nickel(II) azide
Copper(II) azide

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Iron(III) azide, also called ferric azide, is a chemical compound with the formula Fe(N

3. It is an extremely explosive, impact-sensitive, hygroscopic dark brown solid. This compound is used to prepare various azidoalkanes,[clarification needed] such as n-butyl azide.[2]

## Preparation

This compound is prepared by the reaction of sodium azide and iron(III) sulfate in methanol:[2]

6 NaN
3 \+ Fe
2(SO

3 → 2 Fe(N

3 \+ 3 Na
2SO

Iron(III) azide can also be formed by pulse irradiation[vague] of a mixture of iron(II) perchlorate, sodium azide, and hydrogen peroxide.[3] Under these conditions, a neutral N3 radical is formed, which oxidizes the iron(II) to iron(III); the iron(III) then promptly combines with azide ions.

## References

1. ↑ "10" (in en). Chemical Abstracts: Volume 11. the University of Michigan: American Chemical Society. 1917. p. 2901.
2. ↑ 2.0 2.1 Andrew D. White (2001). "Iron(III) Azide" (in en). Encyclopedia of Reagents for Organic Synthesis (John Wiley & Sons, Ltd). doi:10.1002/047084289X.ri053. ISBN 0471936235.
3. ↑ George V. Buxton; Igor Janovský (1976). "Mechanism of the oxidation of iron(II) by the azide radical" (in en). Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases 72: 1884–1886. doi:10.1039/F19767201884.

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Iron compounds

Fe(-II)|

* Na2Fe(CO)4

Fe(0)|

* Fe(CO)5
* Fe2(CO)9
* Fe3(CO)12
* Fe(CO)3CH3COC2H2C6H6

Fe(I)|

* FeH

| Organoiron(I) compounds|

* (C5H5FeCO)2(CO)2

|

Fe(0,II)|

* Fe3C

Fe(II)|

* FeBr2
* FeCl2
* FeF2
* FeI2
* FeH2
* FeMoO4
* FeO
* Fe(OH)2
* FeS
* FeSO4
* FeSe
* FeSeO4
* FeSi2
* FeTiO3
* FeCO3
* FeC2O4
* Fe(C2H3O2)2
* Fe(C3H5O3)2
* FeC6H6O7
* FeC12H22O14
* Fe2CrO4
* Fe3(PO4)2
* H2Fe(CO)4
* Fe(HCO3)2
* Mg2FeH6

| Organoiron(II) compounds|

* Fe(C5H5)2
* Fe(C5H4P(C6H5)2)2
* C4H4Fe(CO)3
* C4H6Fe(CO)3

|

Fe(0,III)|

* Fe3P

Fe(II,III)|

* Fe3O4
* Fe3S4

Fe(III)|

* FeBr3
* FeCl3
* FeF3
* FeI3
* Fe(NO3)3
* Fe(acac)3
* FeOCl
* FeO(OH)
* FePO4
* Fe4(P2O7)3
* Fe2(CrO4)3
* Fe2(C2O4)3
* Fe2O3
* Fe2S3
* Fe2(SO4)3
* FeBO3
* FeB

| Organoiron(III) compounds|

* Fe(C5H5)2BF4
* C6H8O7⋅xFe3+⋅yNH3

|

Fe(VI)|

* K2FeO4
* BaFeO4

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