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Environmental fate & pathways

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Abiotic degradation of isononanoic acid, C16-18 alkyl esters (CAS 111937-03-2) is not a relevant pathway. Since the substance is not likely to be present in the atmosphere due to the low vapour pressure (0.0095 Pa at 20 °C), indirect photodegradation in air is not to be expected as a relevant degradation pathway. Hydrolysis is expected to be low (DT50 > 1 yr) and thus not a relevant route for degradation as well.