GALLIUM(III) BROMIDE Chemical Properties

Melting point:

121.5 °C(lit.)

Boiling point:

279 °C(lit.)

Density 

3.69 g/mL at 25 °C(lit.)

Flash point:

278.8°C

storage temp. 

under inert gas (nitrogen or Argon) at 2-8°C

solubility 

H2O: slightly soluble(lit.)

form 

powder

color 

White

Specific Gravity

3.69

Water Solubility 

Soluble in water.

Sensitive 

Moisture Sensitive

Stability:

Stable, but reacts violently with water. Avoid contact with water, moisture, strong oxidizing agents. May discolour in air.

Major Application

electroplating
material synthesis precursor

InChI

1S/3BrH.Ga/h3*1H;/q;;;+3/p-3

InChIKey

SRVXDMYFQIODQI-UHFFFAOYSA-K

SMILES

Br[Ga](Br)Br

CAS DataBase Reference

13450-88-9(CAS DataBase Reference)

EPA Substance Registry System

Gallium bromide (GaBr3) (13450-88-9)

Safety Information

Hazard Codes 

C

Risk Statements 

14-34

Safety Statements 

8-26-36/37/39-45

RIDADR 

UN 3260 8/PG 2

WGK Germany 

3

TSCA 

TSCA listed

HazardClass 

8

PackingGroup 

II

HS Code 

2827590000

Storage Class

8A - Combustible corrosive hazardous materials

Hazard Classifications

Skin Corr. 1B

MSDS

• Language:English Provider:ACROS
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

GALLIUM(III) BROMIDE Usage And Synthesis

Chemical Properties

white crystalline powder

Uses

Gallium(III) bromide is used as organic intermediates. It is a powerful oxidizing agent and is able to release oxygen free radicals from the water in mucous membranes.

Uses

Gallium(III) bromide may be used to catalyze the coupling of indoles with phenylacetylene to form 1,1-bis(1H-3-indolyl)-1-phenylethanes.

reaction suitability

reagent type: catalyst
core: gallium

Synthesis

One method of preparing GaBr3 is to heat elemental gallium in the presence of liquid bromine under vacuum. After the highly exothermic reaction, the mixture is allowed to stand and then subjected to various purification steps. This method has remained a useful method for preparing GaBr3 since the early 1900s. Historically, gallium was obtained by electrolysis of hydroxide in a KOH solution, but today it is obtained as a by-product of aluminum and zinc production.
GaBr3 can also be produced by the chemical combination of Ga(s) and Br(g) in an anhydrous, oxygen-free, organic and grease-free environment. The reaction products are gases that must be crystallized to form the laboratory purchased GaBr3 solid:
Ga(s) + 3Br(l) → GaBr3(g)

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