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Environmental fate & pathways

Phototransformation in air

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Description of key information

After evaporation or exposure to the air, the substances will be rapidly degraded by photochemical processes.

Key value for chemical safety assessment

Half-life in air:
9.1 h

Additional information

The half-life for the reaction of OH radicals with the test substance is calculated 9.1 hours for octadecyl methacrylate assuming a 24h-day and 25 °C. Thus, after evaporation or exposure to the air, the substance will be rapidly degraded by photochemical processes.