Zinc bromide

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

Zinc bromide

Names
IUPAC name Zinc bromide
Other names Zinc(II) bromide, Zinc dibromide
Identifiers
CAS Number	7699-45-8 Y
3D model (JSmol)	Interactive image
ChemSpider	22790 Y
ECHA InfoCard	100.028.836
PubChem CID	24375
RTECS number	ZH1150000
UNII	OO7ZBU9703 Y
CompTox Dashboard (EPA)	DTXSID8052512
SMILES Br[Zn]Br
Properties
Chemical formula	ZnBr2
Molar mass	225.198 g/mol
Appearance	white crystalline powder hygroscopic
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)
Solubility in water	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
Refractive index (nD)	1.5452
Hazards
NFPA 704	0 3 0
Flash point	Non-flammable
Related compounds
Other anions	{{{value}}}
Other cations	{{{value}}}
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is YN ?)
Infobox references

Properties

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

Preparation

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

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

• Zinc iodide
• Zinc chloride
• Zinc fluoride