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Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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In accordance with Regulation (EC) No 1907/2006, Annex IX, column 2,, simulation testing on ultimate degradation in surface water and sediment is not required. Fatty acids, C18-unsatd., dimers, reaction products with fatty acids, C14-18 and C16-18-unsatd. and propylidynemethanol (CAS 162353-70-0) isconsidered readily biodegradable. According to the ECHA Guidance on information requirements and chemical safety assessment, Chapter R.7b a simulation test would not provide any new findings since a rapid mineralization in the environment is already assumed (ECHA, 2016).