Fluorine azide

Fluorine azide
Names
	Other names triazadienyl fluoride
Identifiers
CAS Number	14986-60-8 ;
3D model (JSmol)	Interactive image;
PubChem CID	23235952;
CompTox Dashboard (EPA)	DTXSID40631418 ;
	InChI InChI=1S/FN3/c1-3-4-2 Key: AJXWEJAGUZJGRI-UHFFFAOYSA-N;
	SMILES [N-]=[N+]=NF;
Properties
Chemical formula	FN3
Molar mass	61.019 g/mol
Appearance	Yellow-green gas
Melting point	−139 °C (−218 °F; 134 K)
Boiling point	−30 °C (−22 °F; 243 K)
Explosive data
Shock sensitivity	Extreme
Friction sensitivity	Extreme
Hazards
	Occupational safety and health (OHS/OSH):
Main hazards	Extremely sensitive explosive
NFPA 704 (fire diamond)	0 4
Related compounds
Other cations	Hydrazoic acid; Chlorine azide; Bromine azide; Iodine azide
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Fluorine azide or triazadienyl fluoride is a yellow green gas composed of nitrogen and fluorine with formula FN₃. Its properties resemble those of ClN₃, BrN₃, and IN₃. The bond between the fluorine atom and the nitrogen is very weak, leading to this substance being very unstable and prone to explosion. Calculations show the F–N–N angle to be around 102° with a straight line of 3 nitrogen atoms.

The gas boils at –30° and melts at –139 °C.

It was first made by John F. Haller in 1942.

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