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Environmental fate & pathways

Phototransformation in air

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Description of key information

Disulfiram is susceptible to rapid photolytic degradation in air (DT50 = 57.9 min).

Key value for chemical safety assessment

Additional information

The dissipation half-life of disulfiram (CAS No. 97-77-8) in air was calculated using the AOPWIN subroutine from EPISuite™ computer program (US EPA). This substance degrades rapidly in the atmosphere (half-life = 58.87 minutes).