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Environmental fate & pathways

Phototransformation in air

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Description of key information

Estimated half-life in the atmosphere based on reaction with hydroxyl radicals.  

Key value for chemical safety assessment

Half-life in air:
0.2 d

Additional information

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The estimated half-lifes for 1,3 -cyclohexanedicarboxyaldehyde and

1,4 cyclohexanedicarboxyaldehyde) were estimated as 0.152 days and 0.168 days, respectively, in the atmosphere based on reaction with hydroxyl radicals using the Atmospheric Oxidation Program in EPA EPI Suite . In consideration of the mixture of  

1,3 -cyclohexanedicarboxyaldehyde and 1,4 -cyclohexanedicarboxyaldehyde in Unoxol, it will estimated that half-life of Unoxol will be 0.2 days.