Registration Dossier

Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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Description of key information

No experimental data on PMVE biodegradation in water and sediment are available. In fact, on the grounds of the physico-chemical properties and environmental fate assessments of the substance, no release to the aquatic environ ment is expected. Moreover the substance profile itself indicates the difficulty to properly test PMVE and provide meaningful results of its biodegradation in aqueous systems as well as in sediment. Nevertheless, in order to evaluate the biodegradation hazard profile of PMVE, the BIOWIN v.4.10 model has been applied. The prediction obtained from the model suggests that PMVE is not ready biodegradable. However, no adverse effects on water and sediment organisms are expected because of no partitioning of PMVE into water. 

Key value for chemical safety assessment

Additional information

The biodegradation studies in surface water and in sediment (required in sections 9.2.1.2 and 9.2.1.4, respectively) of REACH (Regulation (EC) No 1907/2006) Annex IX, are not proposed by the registrant as PMVE is a gas at ambient condition with a limited water solubility and an high tendency to rapidly volatilise from water to the air.