Registration Dossier

Environmental fate & pathways

Phototransformation in air

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Description of key information

In the atmosphere, a half-life of 1.8 hours for N-isopropyl-N'-phenylbenzene-1,4-diamine is estimated due to the reaction with photochemically produced hydroxyl radicals, considering a OH concentration of 500,000 radicals/cm³ as a 24h-average (Currenta, 2009).

Key value for chemical safety assessment

Half-life in air:
1.8 h

Additional information