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EC number: 265-184-9
CAS number: 64742-81-0
A complex combination of hydrocarbons obtained from a petroleum stock by treating with hydrogen to convert organic sulfur to hydrogen sulfide which is removed. It consists of hydrocarbons having carbon numbers predominantly in the range of C9 through C16 and boiling in the range of approximately 150°C to 290°C (302°F to 554°F).
Standard water solubility studies are not applicable to petroleum UVCB
substances, therefore 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 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
- results are adequate for the purposes of risk assessment
- adequate and reliable documentation is provided
Calculated water solubility for constituents of this substance range
between 2.69E-12 and 2000 mg/L. It should be borne in mind that this is
the full range of predicted values, and that this may be misleading or
unrepresentative of the properties of the UVCB substance as a whole. The
range should therefore be treated with caution and not taken out of
context. The substance is a hydrocarbon UVCB. Standard tests for this
endpoint are intended for single substances and are not appropriate 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
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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