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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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Administrative data

Link to relevant study record(s)

Description of key information

The first-order mineralization rate constant at the test concentration of 2.5 mg/L was calculated to be 0.02 d-1 (DT50 35 d).

Key value for chemical safety assessment

Additional information

Data on the biodegradation of cumene in water/sediment is presented in the EU-RAR (2001) in section It is reported that cumene showed mineralisation of 47% after 45 d by Williams et al. (1993). There might be an error in the RAR report because the mineralisation in that study was based on a time of 10 d only.