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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 233-237-5 | CAS number: 10099-58-8
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
EC50 (3h) = 390 mg/L
NOEC = 125 mg/L
Key value for chemical safety assessment
- EC50 for microorganisms:
- 390 mg/L
- EC10 or NOEC for microorganisms:
- 125 mg/L
Additional information
The respiration inhibition of activated sludge (predominantly domestic), exposed to lanthanum trichloride hexahydrate, was tested according to OECD 209 under GLP conditions (Muckle 2009). An EC50 value of 560 mg/L and a NOEC of 180 mg/L were stated, corresponding to an EC50 of 390 mg/L and a NOEC of 125 mg/L Lanthanum trichloride, anhydrous.
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.
