2-bromophenol

3.9 µg

“Bromophenol, inky, like a museum or old TV set”

Beer flavour standard used to train professional beer tasters to recognize and scale the intensity of bromophenol character. 2-Bromophenol is a taint contributed to beer by contaminated packaging materials and the environment.

Food grade | free from sensory impurities | extensively tested | safe to smell and taste.

  • Label image
  • Chemical structure

Flavour cards

Flavour standard information

Technical specification

Assessment
Without covering the glass, swirl the beer to release the aroma. Take a single short sniff. Repeat as necessary.
Amount of flavour per capsule
3.9 µg
Threshold
100 ng / l in beer
Origins
External contamination of packaging materials. Especially associated with use of recycled wood and cardboard. Fireproofing materials also present a risk.
Confusions
  • 2,3-Dichlorophenol
  • 4-Vinyl guaiacol
  • 2,4,6-Tribromoanisole
Importance
Taint in beer. Associated with a high degree of consumer rejection, even at low levels. Often described by consumers as ‘chemical’, or ‘contaminated’.
CAS registry number
95-56-7
Other names
  • bromophenol
  • o-bromophenol
  • ortho-bromophenol
Remarks
Bromophenolic taints can be caused by several compounds, of which 2-bromophenol is only one. The flavour produced by this compound is typical of the group.
Threshold distribution
Graph
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bromophenol beer flavour standard - inky
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