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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 940-783-4 | CAS number: -
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
An OECD 203 study is available with Bis (2-chloroethoxy)methane (the most toxic of the three main components) . This study resulted in LC50 = 50.2 mg/L.
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 50.2 mg/L
Additional information
One OECD 203 study is available with one the main constituents (Bis (2-chloroethoxy)methane) which is the most toxic. ECOSAR predicted values are available for the three main constituents (including Bis (2-chloroethoxy)methane)and they are as follows:
Bis (2-chloroethoxy)methane 96 hr LC50: 125.22 mg/L (compare to measured value of 50.2 mg/L)
Ethane, 1-(2-chloroethoxy)-2-[(2-chloroethoxy)methoxy: 225.23 mg/L
1,15-dichloro-3,5,8,11,13-penta-oxa pentadecane: 96 hr LC50 = 610.849 mg/L
The predicted data show that Bis (2-chloroethoxy)methane is the most toxic of the three main components.
As a result the measured value of 50.2 mg/L is taken as the worst case and used for risk assessment purposes, without a need to perform full tests with the remaining 2 components or the complete substance mixture.
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.
