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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 278-817-9 | CAS number: 78014-16-1
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
The test substance is not toxic up to concentrations of 180 mg/L (NOEC). An EC10 of 370 mg/L and an EC50 of 660 mg/L is found after 3 hours of exposure.
Key value for chemical safety assessment
- EC50 for microorganisms:
- 660 mg/L
- EC10 or NOEC for microorganisms:
- 180 mg/L
Additional information
The toxicity of the test substance on microorganisms was determined in a respiratory inhibition test with activated sludge according to OECD TG No. 209 in compliance to GLP. The test was performed with test substance concentrations of 100 to 1000 mg/L under static control. After 3 h of exposure an EC50 value of 660 mg/L and an EC10 value of 370 mg/L is determined. As the test substance is not toxic up to the concentration of 180 mg/L to activated sludge of a municipal sewage treatment plant, the NOEC of the test substance is 180 mg/L. The NOEC value is used in the chemical safety assessment.
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.
