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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Administrative data

Link to relevant study record(s)

Description of key information

2-Cyanopyridine was transformed to an intermediate product in 59 days without a lag phase.

The pseudo-first-order rate constant for 2 -cyanopyridine was 1.01 day -1. This rate indicates a biodegradation half-life of < 1 day, which is comparable to phenol, a substance recommended by USEPA as a biodegradable reference standard.

Key value for chemical safety assessment

Half-life in freshwater sediment:
1 d
at the temperature of:
24 °C

Additional information