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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Link to relevant study record(s)

Description of key information

Readily biodegradable according to OECD criteria: 100% after 28 days based on CO2 evolution (OECD 301 B).

Key value for chemical safety assessment

Biodegradation in water:
readily biodegradable

Additional information

One GLP study assessing biodegradation of the C12-isoAS Na (CAS 94200-74-5), performed according to OECD guideline 301 B is available (Brunswik-Titze 2003). Activated, non-adapted domestic sludge was used as inoculum. The substance was tested in a concentration of 8.12 mg/L (as organic carbon) and CO2 evolution was measured. In result, 100% of biodegradation was observed after 28-day test period, passing 10-day window. It can be concluded that the substance is readily biodegradable.