Hydrazinium bromide

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Structural formula
Structural formula of hydrazinium chlorideBromide ion
General
Surname Hydrazinium bromide
other names
  • Hydrazine hydrobromide
  • Hydrazine monohydrobromide
Molecular formula N 2 H 5 Br
Brief description

colorless and odorless solid

External identifiers / databases
CAS number 13775-80-9
EC number 237-412-7
ECHA InfoCard 100.033.997
PubChem 159693
Wikidata Q27882236
properties
Molar mass 112.96 g mol −1
Physical state

firmly

density

2.3 g cm −3

Melting point

85 ° C

boiling point

170 ° C (decomposition)

solubility

very easily soluble in water (3260 g l −1 at 25 ° C)

safety instructions
GHS labeling of hazardous substances
06 - Toxic or very toxic 08 - Dangerous to health 09 - Dangerous for the environment

danger

H and P phrases H: 301 + 311 + 331-317-350-410
P: 201-273-280-308 + 313-304 + 340-302 + 352-309 + 310
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) . Template: room group / 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

  1. 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) .
  2. springer.com: N2H5Br ([N2H5 Br) Crystal Structure - SpringerMaterials], accessed November 18, 2016
  3. Ralph P. Seward: hydrazinium BROMIDE AS A SOLVENT. In: The Journal of Physical Chemistry. 66, 1962, p. 1125, doi : 10.1021 / j100812a037 .
  4. K. Sakurai, Y. Tomiie: The crystal structure of hydrazinium bromide, N2H5Br. In: Acta Crystallographica. 5, 1952, p. 289, doi : 10.1107 / S0365110X52000812 .
  5. Datasheet Hydrazine monohydrobromide, ≥98% from Sigma-Aldrich , accessed on November 18, 2016 ( PDF ).