Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Ecotoxicological information

Short-term toxicity to fish

Currently viewing:

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.