Hydrazinium bromide
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Hydrazinium bromide | |||||||||||||||
other names |
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Molecular formula | N 2 H 5 Br | |||||||||||||||
Brief description |
colorless and odorless solid |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 112.96 g mol −1 | |||||||||||||||
Physical state |
firmly |
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density |
2.3 g cm −3 |
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Melting point |
85 ° C |
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boiling point |
170 ° C (decomposition) |
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solubility |
very easily soluble in water (3260 g l −1 at 25 ° 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 . |
Hydrazinium bromide is a chemical compound from the group of hydrazinium salts .
Extraction and presentation
Hydrazinium bromide can be obtained by reacting hydrobromic acid with hydrazine .
properties
Hydrazinium bromide is a flammable, hardly ignitable, crystalline, colorless, odorless solid, which is very easily soluble in water. It decomposes when heated. It has a monoclinic crystal structure with the space group C 2 / c (space group no. 15) .
use
Hydrazinium bromide can be used in the synthesis of bromostannates and bromostannites by reaction with tin (IV) bromide and as a component of soldering flux .
Individual evidence
- ↑ a b c d e f g h Entry on hydrazinium bromide in the GESTIS substance database of the IFA , accessed on January 10, 2017(JavaScript required) .
- ↑ springer.com: N2H5Br ([N2H5 Br) Crystal Structure - SpringerMaterials], accessed November 18, 2016
- ↑ Ralph P. Seward: hydrazinium BROMIDE AS A SOLVENT. In: The Journal of Physical Chemistry. 66, 1962, p. 1125, doi : 10.1021 / j100812a037 .
- ↑ K. Sakurai, Y. Tomiie: The crystal structure of hydrazinium bromide, N2H5Br. In: Acta Crystallographica. 5, 1952, p. 289, doi : 10.1107 / S0365110X52000812 .
- ↑ Datasheet Hydrazine monohydrobromide, ≥98% from Sigma-Aldrich , accessed on November 18, 2016 ( PDF ).