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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

No data on chronic terrestrial toxicity are available. However, the substance is not persistent in the soil compartment. The equilibrium partitioning method has been used for assessing the hazard to soil organisms.

Key value for chemical safety assessment

Additional information

There are no data available concerning toxicity of styrene to soil arthropods. However no test is proposed to cover this endpoint for the following reasons. In the case of readily biodegradable substances which are not applied to soil it is generally assumed that the substance will not enter the terrestrial environment and as such there is no need for additional testing on soil organisms. Styrene is not a strong adsorptive substance, is volatile and rapidly degraded in the air via photo oxidation, so that an indirect soil exposure via STP sludge and aerial deposition is considered to be not relevant. Furthermore, the equilibrium partitioning method can be used for assessing the hazard of soil organisms from data on aquatic organisms.