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Environmental fate & pathways

Phototransformation in air

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Description of key information

Key value for chemical safety assessment

Half-life in air:
1.925 h
Degradation rate constant with OH radicals:
0 cm³ molecule-1 s-1

Additional information

The calculated half-life of 1,8-naphthylenediamine by photodegradation in air was 1.925 hours with an Overall OH rate constant of 2.0 E-10 cm³/molecule-sec.The estimation rules applied for the substance appears appropriate. The predicted result for 1,8-naphthylenediamine can be considered reliable yielding a useful result for further assessment.