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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: 939-420-2 | CAS number: -
Short-term toxicity to fish
Administrative data
Link to relevant study record(s)
Description of key information
A 96-hour toxicity test was conducted with Diisobutyl Carbinol (DIBC) exposed to the rainbow trout, Oncorynchus mykiss. The resulting 96-hour LC50 value was reported as 28.6 mg/L.
Key value for chemical safety assessment
Fresh water fish
Fresh water fish
- Effect concentration:
- 28.6 mg/L
Additional information
A 96 -hour acute toxicity test was conducted with rainbow trout (Oncorhynchus mykiss) exposed to diisobutyl carbinol (DIBC). The study followed GLP along with standard US EPA guidelines and was rated a Klimisch score of 2. The 24 -hour LC50 value for DIBC was 31.2 mg/L, with a 95% confidence interval of 27.8 mg/L to 35.0 mg/L. The 48 -hour LC50 value was 29.4 mg/L, with a 95% confidence interval of 26.8 mg/L to 32.3 mg/L. The 72 and 96 -hour LC50 value was 28.6 mg/L with a 95% confidence interval of 25.6 to 31.9 mg/L. Based on biological interpretation of the data and the highest exposure level exhibiting no mortality and/or sublethal effects, the 96 -hour NOEC ws 3.44 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.
