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Environmental fate & pathways

Phototransformation in water

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Description of key information

 Phototransformation of 1,5-naphthylenediamine in water was determined and is given as mean half-life of 1.4 hours under environmental conditions (Bayer, 1994).

Key value for chemical safety assessment

Half-life in water:
1.4 h

Additional information


Phototransformation of Chemicals in Water, Part A: (Umweltbundesamt, Berlin, Germany, December 1992)