2,4,6-tribromoanisole

Technical specification

Assessment

The best way to detect 2,4,6-tribromoanisole in water is as follows. Without covering the glass, swirl the sample to release the aroma. Take a single short sniff. Repeat as necessary.

Amount of flavour per capsule

230 ng per capsule

Threshold

The flavour threshold of 2,4,6-tribromoanisole in water is <10 ng / l.

Origins

2,4,6-Tribromoanisole is derived from methylation of bromophenols by moulds or Actinobacteria, primarily in water distribution systems.

Importance

2,4,6-Tribromoanisole imparts an unpleasant musty odour to water which is reminiscent of damp cellars or corked wine.

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 water. The flavour produced by this compound is typical. This compound can be detected, but not recognized at concentrations well below the recognition flavour threshold.

Threshold distribution

Capsules per pot

10