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Environmental fate & pathways

Phototransformation in air

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Description of key information

The atmospheric oxidation rate constant of the main component HDI Trimer (Isocyanurat, n=3) is 37.5 * 10-12cm3/(molecule *s) and its atmospheric half-life is 10.3 hrs (Currenta, 2014c).
The atmospheric oxidation rate constant of the corresponding triamine of the main component HDI Trimer (Isocyanurat, n=3) is 129.1 * 10-12cm3/(molecule *s) and its atmospheric half-life is 3.0 hrs (Currenta, 2014d).

Key value for chemical safety assessment

Half-life in air:
10.3 h

Additional information