2,4,6-tribromoanisole

900 ng per capsule

"Musty, like corked wine with a rubbery overtone”

Certified beer flavour standard used to train professional beer tasters to recognize and scale the intensity of musty character. 2,4,6-Tribromoanisole is a potent tainting compound associated with use of recycled paper, cardboard and wood. It can migrate across beer packaging materials to contaminate beer with a musty flavour which is reminscent of corked wine.

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

Flavour cards

Flavour standard information

Technical specification

Assessment
The best way to evaluate musty flavours caused by tribromoanisole 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
900 ng per capsule
Threshold
The flavour threshold of tribromoanisole in beer ranges from <10 – 500 ng / l
Origins
Tribromoanisole taints are associated with use of recycled wood and cardboard. The compound can migrate across packaging materials to contaminate raw materials, filter aids, and beer.
Confusions
  • 2,4,6-Trichloroanisole
  • 2-Bromophenol
  • 2,6-Dichlorophenol
Importance
Bromoanisole is a taint in beer. It is associated with a high degree of consumer rejection, even at low levels. It is often described by consumers as ‘chemical’ or ‘contaminated’.
CAS registry number
The CAS registry number of 2,4,6-tribromoanisole is 607-99-8.
Other names
  • tribromoanisole
  • TBA
  • 1,3,5-tribromo-2-methoxybenzene
  • methyl 2,4,6-tribromophenyl ether
Remarks
2,4,6-Tribromoanisole is one of several bromoanisoles that can taint beer. The flavour produced by this compound is typical. The same compounds are also responsible for ‘cork taint’ in wine.
Threshold distribution
Graph
Capsules per pot
10
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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