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EC number: 200-753-7
CAS number: 71-43-2
Although this endpoint can be waived experimental data are available, so
are reported here. The reported results show that benzene has a low to
moderate bioaccumulation potential when considering data for individual
organs. The highest available BCF for whole fish were <10 for Leuciscus
idus measured by Freitag et al. (1985) and 11 for Clupea harengus
measured by Eldridge and Echeverria (1978). These values are very
similar to the BCF of 13 calculated based on the measured log Kow of
2.13 using the equation recommended in the Technical Guidance Document
(Veith et al., 1979).
The measured log Kow of 2.13 indicates that benzene does not exceed the
screening criteria for bioaccumulation stipulated in ECHA’s Guidance on
information requirements and chemical safety assessment - Part C: PBT
Assessment (2008c). Therefore, benzene is not considered to be
bioaccumulative (B) or very bioaccumulative (vB).
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