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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Environmental fate & pathways

Phototransformation in air

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Administrative data

Link to relevant study record(s)

Description of key information

Not relevant due to low vapour pressure.

Key value for chemical safety assessment

Additional information

No studies investigating the indirect photolysis of Fatty acids, C16-18, isopropyl esters (CAS No. 91031-58-2) are available. Using AOP Program (v1.92), half-lives of 13.037 hours was calculated, indicating rapid degradation by indirect photolysis. However, this is not expected to be a relevant environmental fate process, since Fatty acids, C16-18, isopropyl esters (CAS No. 91031-58-2) is not expected to be present in the atmosphere based on the low estimated vapour pressure (<0.001 Pa at 20°C). As this study is not a standard information requirement in REACH and there is no indication from the CSA on the need to investigate further the fate and behaviour of the substance, no further testing is considered necessary.