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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Long-term toxicity to fish

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Administrative data

Link to relevant study record(s)

Description of key information

The freshwater endpoint represents the lowest toxicity value obtained for Pimephales promelas [fathead minnow] (Barron and Adelman, 1984).
The marine endpoint represents the lowest toxicity value obtained for eggs of Gadus morrhua [Atlantic cod] (Falk-Petersen et al., 1985).
Both endpoints were derived for p-Cresol

Key value for chemical safety assessment

Fresh water fish

Fresh water fish
Effect concentration:
1.35 mg/L

Marine water fish

Marine water fish
Effect concentration:
0.3 mg/L

Additional information

Endpoints derived for p-Cresol have been used for this mixed xylenol assessment. Since there are structural and physical chemical similarities between the cresols and the other molecules within the mixed xylenol grouping it is acceptable to assume that their ecotoxicological profiles would be similar.