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Zinc bromide

Catalog Number
ACM7699458
CAS Number
7699-45-8
Product Name
Zinc bromide
Structure
Category
Electrolytes
Synonyms
Dibromozinc
Description
Zinc bromide (ZnBr2) is an inorganic compound with the chemical formula ZnBr2. It is a colourless salt that shares many properties with zinc chloride (ZnCl2), namely a high solubility in water forming acidic solutions, and solubility in organic solvents. It is hygroscopic and forms a dihydrate ZnBr2 · 2H₂O.
IUPAC Name
Zinc;dibromide
Molecular Weight
225.2
Molecular Formula
Br2Zn
Canonical SMILES
[Zn+2].[Br-].[Br-]
InChI
InChI=1S/2BrH.Zn/h2*1H;/q;+2/p-2
InChI Key
VNDYJBBGRKZCSX-UHFFFAOYSA-L
Boiling Point
697 °C
Melting Point
394 °C
Flash Point
650 °C
Purity
99%+
Density
4.22 g/cm³
Solubility
Soluble in alcohol, ether, acetone and tetrahydrofuran
Appearance
White to pale cream beads
Application
Zinc bromide is a white crystalline powder prepared by dissolving zinc carbonate in hydrobromic acid.

Zinc chloride (ZnCl2) is a white granular crystal made by the action of hydrochloric acid on zinc.

Zinc iodide (ZnI2) is a white powder made by dissolving zinc in ionic acid. All of the zinc halides are soluble in water, alcohol, and ether. They were all used as halides for the collodion emulsion processes.
Storage
Store below +30 °C
Complexity
0
Covalently-Bonded Unit Count
3
Exact Mass
223.76377
Hazard Class
8
Heavy Atom Count
3
Log P
1.6887
Monoisotopic Mass
221.76582
Odor
Odorless
Refractive Index
1.5452
Stability
Stable. Forms explosive mixtures with sodium and potassium. Protect from moisture.
Storage Conditions
APPROX >0ºC
Topological Polar Surface Area
0 Ų
UNII
OO7ZBU9703
UN Number
3077
WGK Germany
3
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