Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 200-846-2 | CAS number: 75-18-3
Phototransformation in air
Administrative data
Link to relevant study record(s)
Description of key information
Photochemically initiated oxidation is the major loss process for dimethyl sulphide. The presence of NO appears to be necessary for the photo-oxidation of DMS to occur rapidly. This is supported by results which show direct photolysis of DMS yielded a variety of oxidation products in a reasonably short time. The authors conclude that since the irradiation used in the study involved somewhat higher energy than that of sunlight, they could not unambiguously apply the studies to a discussion of the fate of DMS in the lower atmosphere.
Key value for chemical safety assessment
Additional information
Cox (1974) is a published study following scientific principles. No guidelines were followed, but the description and information provided is considered adequate for assessment.
Bently (1972) is a non-guideline study following scientific principles. The authors state that the results cannot be unambiguously applied to the fate of DMS in the lower atmosphere. The study is considered reliable but not fully applicable to this endpoint.
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.
