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Environmental fate & pathways

Phototransformation in air

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Description of key information

The atmospheric oxidation half-life of terephthalic acid was estimated using the AOPWIN v1.91QSAR model available from the US EPA. The estimated atmospheric oxidation DT50 of terephthalic acid ranged from 8.65 days (default settings) to 12.97 days (recommended northern hemisphere settings).  The higher, northern hemisphere value is considered the more relevant to the EU.  

Key value for chemical safety assessment

Half-life in air:
13 d

Additional information