Fluorine azide
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Fluorine azide or triazadienyl fluoride is a yellow green gas composed of nitrogen and fluorine with formula FN3.[1] Its properties resemble those of ClN3, BrN3, and IN3.[2] The bond between the fluorine atom and the nitrogen is very weak, leading to this substance being very unstable and prone to explosion.[3] Calculations show the F–N–N angle to be around 102° with a straight line of 3 nitrogen atoms.[4]
Quick Facts Names, Identifiers ...
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Names | |||
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Other names
triazadienyl fluoride | |||
Identifiers | |||
3D model (JSmol) |
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PubChem CID |
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CompTox Dashboard (EPA) |
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Properties | |||
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) | |||
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).
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The gas boils at –30° and melts at –139 °C.[5]
It was first made by John F. Haller in 1942.[6]