Registration Dossier
Registration Dossier
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EC number: 201-280-9 | CAS number: 80-46-6
Bioaccumulation: terrestrial
Administrative data
Link to relevant study record(s)
Description of key information
The European Union System for the Evaluation of Substances (EUSES) model was used to estimate bioconcentration for p-tert-amylphenol. Using the measured log Kowof 3.6, a BCF for earthworm was estimated at 48.6 L/kg wt.
Key value for chemical safety assessment
- BCF (terrestrial species):
- 48.6 L/kg ww
Additional information
Reliable measured bioconcentration information for terrestrial organisms is not available for p-tert-amylphenol. However, modeled data are presented below for p-tert-amylphenol.
The European Union System for the Evaluation of Substances (EUSES) model was used to estimate bioconcentration for p-tert-amylphenol. Using the measured log Kow of 3.6, a BCF for earthworm was estimated at 48.6 L/kg wt.
The Environmental Risk Assessment Report:4-tert-pentylphenol (CAS no. 80-46-6) (Environment Agency, 2008) provides an earthworm BCF of 120 L/kg wet weight based on calculation using a log Kow-based QSAR for p-tert-amylphenol. This supports the conclusion that p-tert-amylphenol does not fulfill the bioaccumulation criterion (B) as the BCF is <2000.
Reliable modeled BCF value for p-tert-amylphenol, using the measured log Kow of 3.6 was estimated to be 48.6 L/kg wt for earthworm. Other supporting data indicate that there is very low potential for bioaccumulation of p-tert-amylphenol in terrestrial organisms.
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