Ammonium azide
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| Names | |||
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| Other names
Ammonium trinitride
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| Properties | |||
| NH4N3, NH3.HN3 | |||
| Molar mass | 60.059 g/mol | ||
| Appearance | White crystalline solid | ||
| Odor | Odorless | ||
| Density | 1.3459 g/cm3 | ||
| Melting point | 160 °C (320 °F; 433 K) | ||
| Boiling point | 400 °C (752 °F; 673 K) (decomposes) | ||
| Structure | |||
| rhombic | |||
| Hazards | |||
| Main hazards | Very toxic, explosive | ||
| Related compounds | |||
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Other anions
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Ammonium nitrate Ammonium cyanide |
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Other cations
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Sodium azide Potassium azide |
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Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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| Infobox references | |||
Ammonium azide is the chemical compound with the formula NH4N3, being the salt of ammonia and hydrazoic acid. Like other inorganic azides, this colourless crystalline salt is a powerful explosive, although it has a remarkably low sensitivity. NH4N3 is physiologically active and inhalation of small amounts causes headaches and palpitations. It was first obtained by Theodor Curtius in 1890, along with other azides.
Ammonium azide is ionic. It is scarcely soluble in water. Ammonium azide contains about 93% nitrogen by weight as ammonium cation and azide anion. It is a structural isomer of tetrazene.
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