Hydrazinium azide
| Names | |
|---|---|
| IUPAC name Hydrazinium azide | |
| Identifiers | |
| 3D model (JSmol) | |
| PubChem CID | |
| CompTox Dashboard (EPA) | |
| 
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| Properties | |
| H5N5 | |
| Molar mass | 75.075 g·mol−1 | 
| Appearance | White solid | 
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
Hydrazinium azide or hydrazine azide is a chemical compound with formula H
5N
5 or [N
2H+
5][N−
3].  It is a salt of the hydrazinium cation N
2H+
5 and the azide anion N−
3.  It can be seen as a derivative of hydrazine N
2H
4 and hydrazoic acid HN
3.  It is an unstable solid.
The compound is of scientific interest because of its high nitrogen content (93% nitrogen by weight) and explosive properties.