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Environmental fate & pathways

Phototransformation in water

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Description of key information

The photolysis screening test of 77PD indicates that this compound has a half-life in aqueous solution of 2 hours when exposed to sunlight and a half life of 4 hours in the dark (23°C), (Monsanto, 1980).

Key value for chemical safety assessment

Half-life in water:
2 h

Additional information

The result of the study performed with and without sunlight show that light has an accelerating effect on the degradation of 77PD in water.