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Environmental fate & pathways


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Description of key information

The half-lives of 3-(3-isopropenylphenyl)butanal were determined to be 536 hours (pH 4), 405 hours (pH 7) and 392 hours (pH 9) according to a study performed in line with OECD Guideline 111.

Key value for chemical safety assessment

Half-life for hydrolysis:
405 h
at the temperature of:
20 °C

Additional information

Hydrolysis rates at different pH values have been determined by the method described in the OECD Guideline No. 111. Results fit in with a pseudo-first order reaction. The half-times are 400-600 hours at 20ºC. Results may be disturbed by the easy oxidizability of the test substance.

The read-across is considered to be suitable based on the structural and 'mechanistic action' similarities between the target substance (3-(3-isopropenylphenyl)butanal) and source substance (3-(3-isopropylphenyl)butanal) and their similar physico-chemical and environmental fate properties.