Nitrogen tribromide
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IUPAC name
nitrogen tribromide
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3D model (JSmol)
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PubChem CID
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| Properties | |||
| Br3N | |||
| Molar mass | 253.7187 g/mol | ||
| Appearance | Deep red solid | ||
| Melting point | Explodes at -100 °C | ||
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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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Nitrogen tribromide is a chemical compound with the formula NBr3. It is extremely explosive in its pure form, even at −100 °C, and was not isolated until 1975. It is a deep-red and volatile solid.
NBr3 was first prepared by the bromination of bistrimethlysilylbromamine with BrCl at −87 °C:
It reacts instantly with ammonia in dichloromethane solution at −87°C to yield NBrH2.
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