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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 203-713-7 | CAS number: 109-86-4
Endpoint summary
Administrative data
Description of key information
Additional information
A number of biodegradation screening studies have been carried out using both adapted and unadapted innoculii and in both fresh and saltwater. There is sufficient information available to conclude that methoxyethanol is readily biodegradable and that primary degradation is very rapid. There is limited data available for saltwater which, whilst not conclusive, suggests that methoxyethanol may not fulfill the criteria for ready biodegradability with non-adapted innoculum. However, methoxyethanol is readily biodegradable under all conditions in freshwater environments and in WWTPs. For this reason, there is no requirement to generate biodegradation data in water and sediment by simulation testing nor in soil.
From experimental and calculated data, the half life for decomposition of methoxyethanol is 0.6 to 0.9 days, i.e phototransformation in the atmosphere is quite rapid. The molecular structure of methoxyethanol indicates that it is likely to be resistant to hydrolysis under environmental conditions, although this is not relevant as the molecule is readily biodegradable. There is no data available on phototransformation in water or soil.
Methoxyethanol has a low potential for bioaccumulation or adsorption based on the low intrinsic log Kow value. For this reason, it is not necessary to generate specific bioaccumulation or adsorption/desorption data.
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.
