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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Toxicity to microorganisms

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Administrative data

Link to relevant study record(s)

Description of key information

An activated sludge respiratory inhibition test is available for Diisobutyl Carbinol (DIBC) following OECD 209 and in accordance with GLP.  The 3 hr EC50 value was reported as 842 mg/L.

Key value for chemical safety assessment

EC50 for microorganisms:
842 mg/L

Additional information

The effect of Diisobutyl Carbinol (DIBC) on activated sludge microorganisms maintained in an aerobic environment was assessed by the Activated Sludge Respiration Inhibition Test Method OECD Guideline 209 and in accordance with GLP. Nominal concentrations were set at 0, 0.1, 1, 10, 100, 1000 mg/L and the resulting 3 hour EC50 value was reported as 842 mg/L.