Thallium azide

Thallium azide  File:KN3viewCropped.tif

Names
IUPAC name

Thallium(I) azide

Other names

thallium azide

Identifiers

CAS Number

* 13847-66-0 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 15368504 Y

PubChem CID

* 22764821

InChI

* InChI=1S/N3.Tl/c1-3-2;/q-1;+1 Y

Key: GMUSFHMEMWCQIE-UHFFFAOYSA-N Y

* InChI=1/N3.Tl/c1-3-2;/q-1;+1

Key: GMUSFHMEMWCQIE-UHFFFAOYAP

SMILES

* [Tl+].[N-]=[N+]=[N-]

Properties

Chemical formula

| TlN

Molar mass | 246.40 g·mol−1
Appearance  | yellow-brown crystals

Solubility in water

| insoluble
Structure

Crystal structure

| Tetragonal, tI16[1]

Space group

| I4/mcm, No. 140
Hazards
Main hazards | very toxic
GHS pictograms |
GHS Signal word | Danger
NFPA 704 (fire diamond)  |

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

N verify (what is YN ?)
Infobox references

Tracking categories (test):

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Thallium azide, TlN
3, is a yellow-brown crystalline solid poorly soluble in water. Although it is not nearly as sensitive to shock or friction as lead azide, it can easily be detonated by a flame or spark. It can be stored safely dry in a closed non-metallic container.

## Preparation and structure

Thallium azide can be prepared treating an aqueous solution of thallium(I) sulfate with sodium azide. Thallium azide will precipitate; the yield can be maximized by cooling.

TlN
3, KN
3, RbN
3, and CsN
3 adopt the same structures. The azide is bound to eight cations in an eclipsed orientation. The cations are bound to eight terminal N centers.[2] File:AzideCoordinationCropped.tif

## Safety

All thallium compounds are poisonous and should be handled with care; avoid breathing any dust or fumes.

## References

1. ↑ Mauer F.A.; Hubbard C.R.; Hahn T.A. (1973). "Thermal expansion and low temperature phase transition of thallous azide". J. Chem. Phys. 59 (7): 3770–3776. doi:10.1063/1.1680549. Bibcode: 1973JChPh..59.3770M.
2. ↑ Ulrich Müller "Verfeinerung der Kristallstrukturen von KN3, RbN3, CsN3 und TIN3" Zeitschrift für anorganische und allgemeine Chemie 1972, Volume 392, 159–166. doi:10.1002/zaac.19723920207

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Thallium compounds

Thallium(I)|

* TlN3
* TlOH
* TlI
* TlBr
* Tl2CO3
* TlCl
* TlF
* Tl2O
* Tl2SO4
* Tl2S
* Tl2Te
* TlI3
* TBCCO

| Organothallium(I)|

* Tl(C2H3O2)3
* Tl2C3H2O4
* TlC5H5

|

Thallium(III)|

* TlH3
* Tl(OH)3
* Tl2O3
* Tl(NO3)3

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