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Environmental fate & pathways

Phototransformation in air

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Description of key information

Key value for chemical safety assessment

Half-life in air:
5.07 h
Degradation rate constant with OH radicals:
50.6 cm³ molecule-1 s-1

Additional information

TNPP released to the atmosphere is expected to degrade by reaction with hydroxyl radicals. A rate constant for degradation in air of 3.28 d-1with a corresponding half-life of 5.07 hours were estimated.