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Environmental fate & pathways

Phototransformation in air

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Description of key information

The half-life of hydroquinone in the atmosphere due to OH radical degradation is 16.58 hour (24-hr day; 0.5E6 OH/cm3) calculated using AopWin v1.92

Key value for chemical safety assessment

Half-life in air:
16.58 h

Additional information

According to a generally accepted calculation method (AopWin v1.92), the half-life of hydroquinone in the atmosphere due to OH radical degradation is 16.58 hour (24-hr day; 0.5E6 OH/cm3).