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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 202-612-5 | CAS number: 97-85-8
Endpoint summary
Administrative data
Description of key information
Three acute toxicity studies are available for Isobutyl Isobutyrate with exposure to fish, Daphnia magna and the green algae, Pseudokirchneriella subcapitata. All studies were conducted following appropriate guidelines and GLP methodologies. For both the fish and daphnid studies, replicates were not pooled and the resulting endpoints were reported for both replicates. For fish, reported 96 hour LC50 values were 12.5 and 14.22 mg/L, while 48 -hr EC50 values for daphnids were 55.3 and 59.3 mg/L. The algal study reported a 72 -hr value for the inhibition of growth rate (ErC50) of 23 mg/L. Fish were the most sensitive species and since two values were reported from the same toxicity test (individual replicate data), the geometric mean was used to calculate an LC50 value of 13.3 mg/L. This value was used to generate the predicted no effect concentrations.
Additional information
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.
