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Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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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