Nitrogen tribromide
Structural formula | |||||||||||||
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General | |||||||||||||
Surname | Nitrogen tribromide | ||||||||||||
other names |
Tribromoamine |
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Molecular formula | NBr 3 | ||||||||||||
Brief description |
dark red, explosive solid |
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External identifiers / databases | |||||||||||||
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properties | |||||||||||||
Molar mass | 253.72 g mol −1 | ||||||||||||
Physical state |
firmly |
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Melting point |
explodes> −100 ° C |
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safety instructions | |||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Nitrogen tribromide is a chemical compound that belongs to the group of nitrogen halides . Due to its sensitivity and high explosiveness, there is no practical application for the connection.
Occurrence
If bromine is used instead of chlorine to disinfect swimming pools , the reaction with urea can produce nitrogen tribromide as a by-product from human excretions.
Extraction and presentation
Nitrogen tribromide can be obtained by bromination of nitrogen trichloride
or by reacting ammonium bromide , sodium chlorite and iron (III) bromide
or by reaction of bis (trimethylsilyl) bromoamine with bromine chloride at -85 ° C in n-pentane as solvent
Nitrogen tribromide can also be produced by electrolysis of an ammonium iodide and potassium bromide solution (NH 4 I + KBr).
In the explosion, nitrogen tribromide breaks down into the elements:
literature
- Jochen Jander: Non-Aqueous Solvents for Preparation and Reactions of Nitrogen Halogen Compounds (PDF; 477 kB) . Pure & Appl. Chem., Vol. 49, pp. 67-73.
Individual evidence
- ^ A b A. F. Holleman , E. Wiberg , N. Wiberg : Textbook of Inorganic Chemistry . 102nd edition. Walter de Gruyter, Berlin 2007, ISBN 978-3-11-017770-1 , p. 702.
- ↑ This substance has either not yet been classified with regard to its hazardousness or a reliable and citable source has not yet been found.
- ↑ Lenntech: Bromine as Disinfectant
- ^ Water Quality and Health Council: Pool Health
- ↑ Lateral Science: Fulminating oils ( Memento of the original of September 21, 2008 in the Internet Archive ) Info: The archive link has been inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.
- ↑ Jochen Jander: Non-Aqueous Solvents for Preparation and Reactions of Nitrogen Halogen Compounds (PDF; 477 kB) . Pure Appl. Chem. , Vol. 49, pp. 67-73.