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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 252-240-2 | CAS number: 34840-23-8
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
Toxicity to bacteria
Testing facility: Bayer AG, Leverkusen
Study no. 1053A/00 B performed on January 31, 2001
The study was conducted under GLP in accordance with the Commission Directive 88/302/EEC; Official Journal of the EC L133 Part C (1988). This method is in most parts identical with OECD Guideline 209.
The registrant has a letter of access.
Key value for chemical safety assessment
Additional information
The activated sludge was exposed to BCI at different concentrations. The respiration rate of each mixture was determined after aeration periods of 3 hours.
BCI showed 42.3 % respiration inhibition of activated sludge at a test substance concentration of 10000 mg/l.
EC50 > 10000 mg/l
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.
