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Environmental fate & pathways

Phototransformation in air

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In the atmosphere a half-life of 1.93 h for 1,5 -naphthylenediamine is estimated due to reaction with photochemically produced hydroxyl radicals, considering an OH-concentration of 500,000 radicals/cm³ as a 24-h average (Currenta, 2008).

Key value for chemical safety assessment

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