Registration Dossier
Registration Dossier
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EC number: 203-632-7 | CAS number: 108-95-2
Toxicity to other aquatic organisms
Administrative data
Link to relevant study record(s)
Description of key information
There are two reports on effects of phenol on amphibians available. However, the data are not used for the effects assessment for the same reason as explained for the long term fish studies. The effect values found by Birge et al. and Black et al. for several substances are usually very low compared to effect values found by other authors and no explanation for these large discrepancies could be found. As there are no other tests with amphibians from other authors available, it cannot be excluded that amphibian species may be more sensitive to phenol than other aquatic species.
Additional information
The data on long term toxicity of phenol on amphibians is presented in EU RAR (2006) in Section 3.2.1 (Aquatic compartment (incl. Sediment), page 36ff).
It is stated that the effect values found by Black et al. (1982, 1983) for the amphibian species Rana temporaria, Ambystoma gracile and Xenopus laevis (EC10 of 5, 14 and 200 µg/L) are not used for the effects assessment for the same reason as explained for the long term fish studies. By Birge et al. (1980) the lowest EC10-value of 5.2 μg/L was found for Rana pipiens.
The effect values found by Birge et al. and Black et al. for several substances are usually very low compared to effect values found by other authors and no explanation for these large discrepancies could be found. As there are no other tests with amphibians from other authors available, it cannot be excluded that amphibian species may be more sensitive to phenol than other aquatic species.
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