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Environmental fate & pathways

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In water, Isopropyl myristate is highly insoluble and hydrolytically stable (half life >1 year). Based on the physico-chemical properties (such as low water solubility) and high adsorption potential, sediment and soil are expected to be the main targets for environmental distribution. However, due to the ready biodegadability, the substance will not persist in these compartments. The low vapour pressure and low water solubility, suggests little evaporation into air, however if emitted into the air Isopropyl myristate is susceptile to indirect photodegradation (DT50 < 24hr, SRC AOP v1.92). Bioaccumulation is not expected due to the acknowledged rapid metabolisation and excretion of linear aliphatic fatty acid esters from fish and the omnipresence of the responsible enzyme, carboxylesterase, on many organism levels.