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EC number: 205-289-9
CAS number: 137-32-6
The test substance is not supposed to be directly applied to soil and an indirect exposure to soil via sewage sludge transfer is unlikely since the substance is readily biodegradable. For a substance being considered as „readily biodegradable“, it can be assumed that it will be biodegraded within the STP process and as a consequence a transfer to the soil compartment is not expected. Therefore, no tests on soil macroorganisms are provided.
In a 14-day
acute toxicity study with Eisenia fetida no effects were observed up to
1000 mg test item/kg soil dw (BASF 1996). In a chronic study with
Eisenia fetida a NOEC of 305.0 mg test item/kg soil dry weight was
determined (BASF 2012). Under the very conservative assumption that
these adverse effects are caused by the pentanolic fraction only, a NOEC
of 106.75 mg /kg soil dry weight could be extrapolated for the
pentanols. Nevertheless, we would expect that a chronic study with
Eisenia fetida on pentanol would result in a much higher NOEC
value.However, this NOEC based on worst-case assumptions has been used
for the PNECsoil derivation.
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