1,4-Dibromobenzene

1,4-Dibromobenzene (p-dibromobenzene) is an organic compound that is solid at room temperature. This compound has two bromine atoms (bromo substituents) off the central benzene ring. It has a strong smell similar to that of the lighter chlorine analogue. It can be used as a precursor to the dye 6,6-Dibromoindigo.[4]

1,4-Dibromobenzene
Names
Preferred IUPAC name
1,4-Dibromobenzene
Other names
p-Dibromobenzene
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.003.083
EC Number
  • 203-390-2
UNII
  • InChI=1S/C6H4Br2/c7-5-1-2-6(8)4-3-5/h1-4H checkY
    Key: SWJPEBQEEAHIGZ-UHFFFAOYSA-N checkY
  • InChI=1/C6H4Br2/c7-5-1-2-6(8)4-3-5/h1-4H
    Key: SWJPEBQEEAHIGZ-UHFFFAOYAE
  • Brc1ccc(Br)cc1
Properties
C6H4Br2
Molar mass 235.906 g·mol−1
Appearance White solid
Density 1.84 g/cm3 [1]
Melting point 87 °C (189 °F; 360 K)[2]
Boiling point 220.4 °C (428.7 °F; 493.5 K)[2]
Practically insoluble[3]
Solubility in other solvents Soluble in 70 parts ethanol[3]
Soluble in benzene, chloroform and very soluble in diethyl ether[3]
-101.4·10−6 cm3/mol
Hazards
GHS labelling:
GHS07: Exclamation markGHS09: Environmental hazard
Warning
H315, H319, H335, H400, H411
P261, P264, P271, P273, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P391, P403+P233, P405, P501
Related compounds
Related compounds
 1,2-Dibromobenzene, 1,3-Dibromobenzene, 1-Bromo-4-iodobenzene
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

See also

References
  1. "Safety data for 1,4-dibromobenzene". Archived from the original on 28 January 2010. Retrieved 23 November 2011.
  2. "1,4-Dibromobenzene LS026". Archived from the original on 2011-07-11. Retrieved 23 November 2011.
  3. Merck Index (14th ed.). Whitehouse Station, NJ: Merck & Co Inc. 2006. p. 3024.
  4. Wolk, Joel; Frimer, Aryeh (29 Nov 2020). "A Simple, Safe and Efficient Synthesis of Tyrian Purple (6,6-Dibromoindigo)". Molecules. 15 (8): 5561–5580. doi:10.3390/molecules15085561. PMC 6257764. PMID 20714313.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.