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No data are available on the hydrolytic stability of 2-ethylhexyl oleate. Due to the ready biodegradability hydrolysis testing is not required under REACh. Two supporting study entries (QSAR and a read across to CAS: 163961 -32 -8) indicate that the test substance is hydrolytically stable with a half-life of >1 year. Based on a QSAR estimation using SRC AOP v1.92, 2-ethylhexyl oleate is susceptile to indirect photodegradation in air. The estimated half time for the reaction with OH-radicals is 4.1 - 4.5 hours (24 hr day; OH-concentration 0.5E+06).