Registration Dossier

Environmental fate & pathways

Phototransformation in air

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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 Reaction products resulting from the esterification of Sorbitol with C8-18 (even) and C18unsaturated fatty acids in the ratio 1:1 (EC 931-434-7) are available. Using AOP Program (v1.92), half-lives of 2.1 - 7.1 hours were calculated for the main constituents (Blum, 2012), indicating rapid degradation by indirect photolysis. However, this is not expected to be a relevant environmental fate process, since the substance is not expected to be present in the atmosphere, based on the low estimated vapour pressure (< 0.0001 Pa at 20 °C). As this study is not a standard information requirement in REACH and there is no indication from the Chemical Safety Assessment (CSA) on the need to investigate further the fate and behaviour of the substance, no further testing is considered necessary.