Zinc bromide

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Zinc bromide
IUPAC name
Zinc bromide
Other names
Zinc(II) bromide,
Zinc dibromide
3D model (JSmol)
ECHA InfoCard 100.028.836
RTECS number
  • ZH1150000
  • Br[Zn]Br
Molar mass 225.198 g/mol
Appearance white crystalline powder
Density 4.20 g/cm3 (20 °C)
4.22 g/cm3 (25 °C)
Melting point 394 °C (741 °F; 667 K)
Boiling point 697 °C (1,287 °F; 970 K)
311 g/100 mL (0 °C)
447 g/100 mL (20 °C)[1]
538 g/100 mL (100 °C)[2]
Solubility very soluble in alcohol, ether, acetone, tetrahydrofuran
NFPA 704

Flash point Non-flammable
Related compounds
Other anions Zinc fluoride,
Zinc chloride,
Zinc iodide
Other cations Cadmium bromide,
Mercury(II) bromide,
Calcium bromide
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

Zinc bromide is a chemical compound. Its chemical formula is ZnBr2. It contains zinc and bromide ions.

Properties[change | change source]

Zinc bromide is a colorless solid. It dissolves in water. It makes an acidic solution.

Preparation[change | change source]

It can be made by reacting barium bromide with zinc sulfate. This forms barium sulfate which can be filtered out. It can also be made by reacting zinc with bromine. It can also be made by reacting zinc with hydrogen bromide or hydrobromic acid.

Uses[change | change source]

It can be used in organic chemistry. It can be used as a shield against radiation. There is a battery that uses zinc bromide.

Related pages[change | change source]

References[change | change source]

  1. Patnaik, P. (2003). Handbook of Inorganic Chemicals. McGraw-Hill Professional. ISBN 0-07-049439-8.
  2. "Zinc Bromide". Chemicalland21.