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EC number: 938-793-9
CAS number: -
Hydrolysis is a
reaction in which a water molecule or hydroxide ion substitutes for
another atom or group of atoms present in a chemical resulting in a
structural change of that chemical. Potentially hydrolyzable groups
include alkyl halides, amides, carbamates, carboxylic acid esters and
lactones, epoxides, phosphate esters, and sulfonic acid esters (Neely
and Blau, 1985). The lack of a suitable leaving group renders compounds
resistant to hydrolysis.
constituents that comprise the vacuum gas oils category consist entirely
of carbon and hydrogen and do not contain hydrolyzable groups. As such,
they have a very low potential to hydrolyze. Therefore, this degradative
process will not contribute to their removal from the environment.
data and available weight of evidence demonstrate that vacuum gas oils
are resistant to hydrolysis because they lack a functional group that is
hydrolytically reactive. Therefore, this fate process will not
contribute to a measurable degradative loss of these substances from the
environment. Further testing is not required under Annex XI, section 1.2.
tests for atmospheric oxidation half-lives are intended for single
substances and are not appropriate for this complex substance. However,
this endpoint is characterized 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 library tab in PETRORISK
spreadsheet attached to IUCLID Section 13).
in water and soil:
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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