Dibromobenzene Explained

Dibromobenzenes are a group of bromobenzenes with the formula C₆H₄Br₂, consisting of two bromine atoms bonded to a central benzene ring.

There are three isomers of dibromobenzene:

align="center" colspan="4"	Dibromobenzene isomers
Common name and systematic name	1,2-Dibromobenzene	1,3-Dibromobenzene^[1]	1,4-Dibromobenzene^[2] ^[3] ^[4]
Structure
Molecular formula	C6H4Br2
Molar mass	235.906 g/mol
Appearance	colorless liquid	colorless liquid	white solid
CAS number	[583-53-9]	[108-36-1]	[106-37-6]
align="center" colspan="5"	Properties
Density and phase	1.9940 g/ml, liquid	1.9523 g/ml, liquid	1.84 g/ml, solid
Solubility in water	practically insoluble
Other solubilities			Soluble in 70 parts ethanol. Soluble in benzene, chloroform and very soluble in diethyl ether.
Melting point	7.1 °C	−7.0 °C	87 °C
Boiling point	225 °C	218–220 °C	220.4 °C

See also

• Dichlorobenzene

Notes and References

1. Web site: . 1,3-Dibromobenzene.
2. Web site: Safety data for 1,4-dibromobenzene. 23 November 2011. 28 January 2010. https://web.archive.org/web/20100128102742/http://msds.chem.ox.ac.uk/DI/1,4-dibromobenzene.html. dead.
3. Web site: 1,4-Dibromobenzene LS026. 23 November 2011. https://web.archive.org/web/20110711035527/http://www.freewtc.com/products/1-4-dibromobenzene-332549-44180.htm#. 2011-07-11. dead.
4. Book: Merck Index . 14th . 3024 . 2006 . Merck & Co Inc. . Whitehouse Station, NJ.