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Environmental fate & pathways

Phototransformation in water

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Description of key information

In the key study 2,4 -TDA exhibits an environmental direct photolysis half-life equal or higher than 1 year.

Key value for chemical safety assessment

Additional information

Available data on phototransformation in water

Four experimental results are reported for this endpoint. Among them, three experimental results were quoted by a reliability (3).

Phototransformation of 2,4-TDA in water

One study was quoted by a reliability (2) and selected as key study.

Under the experimental conditions of the photodegradtaion study performed on 2,4 -TDA, a quantum yield (phi) of 0.0027

and an environmental direct photolysis half-life equal or higher than 1 year were determined.