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EC number: 931-285-8
CAS number: -
Standard bioaccumulation studies are not applicable for petroleum UVCB
substances. In accordance with Annex XI Section 1.3 testing is not
scientifically necessary and the endpoint has been fulfilled using QSAR
calculations for relevant constituents. Full justifications for this
QSAR are presented in 'Attached justification', but in brief these are
-the results are obtained from a QSAR model whose scientific validity
has been established
-petroleum substances fall within the applicability domain of the QSAR
-results are adequate for the purposes of risk assessment
-adequate and reliable documentation is provided
The substance is a hydrocarbon UVCB. Standard bioaccumulation studies
for this endpoint are intended for monoconstituent substances and are
not applicable for this complex substance.However, this endpoint is
characterised using quantitative structure property relationships for
representative hydrocarbon structures that comprise the hydrocarbon
blocks used to assess the environmental risk of this substance with the
PETRORISK model (see Product Library in PETRORISK spreadsheet attached
in IUCLID section 13).
the oxygenated fraction (0 - 5%, 1% typical), experimental OECD 305
data exists for C10, C11, and C13 iso-alcohols (EC 271 -233 -5, 271
-360 -6, and 271 -235 -6). Measured BCF and BMF values range from 8.4
- 69 L/kg-ww (C10, C11, C13) and <= 0.016 (C10, C13), respectively.
These values support a very low potential for bioaccumulation. These
values can be used as conservative read-across to lower molecular
weight alcohols (C7 - 9), as they are less hydrophobic and are more
rapidly metabolized within the organism.
a result, this fraction is not further evaluated for bioaccumulation
potential in aquatic and sediment organisms.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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