3.9 µg per capsule

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

Certified 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.

Flavour cards

Flavour standard information

Technical specification

The best way to detect bromophenol taints in beer is as follows. 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 per capsule
The flavour threshold of 2-bromophenol in beer is 100 ng / l.
Bromophenol taints can arise due to external contamination of packaging materials. Such problems are especially associated with use of recycled wood and cardboard. Fireproofing materials also present a risk.

Bromophenol taints are confused by professional beer tasters with the following flavour compounds:

  • 2,3-Dichlorophenol
  • 4-Vinyl guaiacol
  • 2,4,6-Tribromoanisole
Bromophenols are taints in beer. They are associated with a high degree of consumer rejection, even at low levels. They are often described by consumers as ‘chemical’, or ‘contaminated’.
CAS registry number
The CAS registry number for 2-bromophenol is 95-56-7.
Other names
  • bromophenol
  • o-bromophenol
  • ortho-bromophenol
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
Capsules per pot
Legal notices
This product is protected by the following trade marks and patents:
  • US Patent no. D679900
  • European Community Trade Mark
    Registration no. 009937574
  • European Community Trade Mark
    Registration no. 009856527
  • US Trade Mark Registration no. 4345057
  • US Trade Mark Registration no. 4345056
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bromophenol beer flavour standard - inky
earn 8 points

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