Registration Dossier
Registration Dossier
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EC number: 940-726-3 | CAS number: 1174522-09-8
Endpoint summary
Administrative data
Description of key information
Adsorption / desorption:
Standard adsorption studies for this endpoint are intended for monoconstituent substances and are not appropriate for petroleum UVCB substances. In accordance with Annex XI Section 1.3 the endpoint has been fulfilled using QSAR calculations for representative hydrocarbon structures that comprise the hydrocarbon blocks used to assess the environmental risk of this substance with the PETRORISK model (see the representative structures from the PETRORISK Product Library in the spreadsheet attached in IUCLID section 13.2). As such, testing is not scientifically necessary.
Full justifications for these QSAR are presented in 'Attached justification' within the associated endpoint records, but in brief these are justified because:
-the results are obtained from a QSAR model whose scientific validity has been established
-petroleum substances fall within the applicability domain of the QSAR model
-results are adequate for the purposes of risk assessment
-adequate and reliable documentation is provided
Volatilisation:
Standard Henry's Law Constant studies for this endpoint are intended for monoconstituent substances and are not appropriate for petroleum UVCB substances. In accordance with Annex XI Section 1.3 the endpoint has been fulfilled using QSAR calculations for representative hydrocarbon structures that comprise the hydrocarbon blocks used to assess the environmental risk of this substance with the PETRORISK model (see the representative structures from the PETRORISK Product Library in the spreadsheet attached in IUCLID section 13.2). As such, testing is not scientifically necessary.
Full justifications for these QSAR are presented in 'Attached justification' within the associated endpoint records, but in brief these are justified because:
-the results are obtained from a QSAR model whose scientific validity has been established
-petroleum substances fall within the applicability domain of the QSAR model
-results are adequate for the purposes of risk assessment
-adequate and reliable documentation is provided
Distribution modelling:
The distribution of Hydrocarbons, C10-C13, n-alkanes, isoalkanes, <2% aromatics in the environmental compartments air, water, soil, and sediment, has been calculated using the PETRORISK Model, version 7.04. Computer modelling is an accepted method for estimating the environmental distribution of chemicals. Based on the regional scale exposure assessment, the multimedia distribution of Hydrocarbons, C10-C13, n-alkanes, isoalkanes, <2% aromatics is 15.2% to air, 3.7% to water, 11.4% to soil and 69.7% to sediment. Distribution modelling results are included in the 'Multimedia distribution modelling results' tab in the 2016 PETRORISK spreadsheet attached to the Robust Study Summary (RSS).
Additional information
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.
