Dibromophenol Explained

Dibromophenols are a group of bromophenols consisting of one hydroxy group and two bromine atoms bonded to a benzene ring. There are six structural isomers, each with the molecular formula C6H4Br2O, which differ by arrangement of the substituents.

Dibromophenols
Name2,3-Dibromophenol,
1,2-Dibromo-
3-hydroxybenzene
2,4-Dibromophenol,
1,3-Dibromo-
6-hydroxybenzene
2,5-Dibromophenol,
1,4-Dibromo-
2-hydroxybenzene
2,6-Dibromophenol,
1,3-Dibromo-
2-hydroxybenzene
3,4-Dibromophenol,
1,2-Dibromo-
4-hydroxybenzene
3,5-Dibromophenol,
1,3-Dibromo-
5-hydroxybenzene
Structural formula
57383-80-9 615-58-7 28165-52-8 608-33-3 615-56-5 626-41-5
PubChem
Chemical formulaC6H4Br2O
Molar mass251.90 g/mol
Physical stateSolid
Melting point68–69 °C[1] 40 °C73–74 °C56–57 °C94 °C81 °C
pKa7.79 (25 °C)6.67 (25 °C)8.06 (25 °C)
GHS hazard pictograms[2] [3] [4]
H- and P-phrases


Notes and References

  1. Dictionary of organic compounds, S. 1971 .
  2. Web site: 2,4-Dibromophenol . Sigma-Aldrich.
  3. Web site: 2,6-Dibromophenol . Sigma-Aldrich.
  4. Web site: 3,5-Dibromophenol . Sigma-Aldrich.