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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

long-term toxicity to aquatic invertebrates
Data waiving:
exposure considerations
Justification for data waiving:

Description of key information

The chemical safety assessment of 'α,α'-propylenedinitrilodi-o-cresol' does not indicate the need to further investigate long-term effects on aquatic organisms, with risk characterisation ratios (RCR) for fresh and marine water compartments of less than 1.

Furthermore, 'α,α'-propylenedinitrilodi-o-cresol' is readily biodegradable. For substances considered as "readily biodegradable“, it can be assumed that they will be completely biologically degraded within the STP process. In case of environmental release the substance will be biological degraded within a short time period, which reduces the risk of exposure to organisms.


Therefore, a long-term toxicity study in aquatic invertebrates is not provided.

Key value for chemical safety assessment

Additional information