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Table 5 Results of the study by Wick et al. showing the high DT50 values in a non-GLP study comparable to OECD 308

From: A weight-of-evidence approach to assess chemicals: case study on the assessment of persistence of 4,6-substituted phenolic benzotriazoles in the environment

 

UV-327

UV-328

UV-350

Recovery at day 0 (%)

<70

<70

<70

Recovery at day 16a (%)

129 ± 12

122 ± 15

93 ± 6

Recovery at day 100 (%)

136 ± 12

142 ± 28

99 ± 9

Relative amount sorbed after day 16a (%)

>99.5

>99.5

>99.5

Estimated log K OC

>4.4

>4.4

>4.4

DT50 (water) (days)

<2

<2

<2

DT50 (sediment) (days)

>100

>100

>100

DT50 (total) (days)

>100

>100

>100

  1. aSorption equilibrium reached