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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

 The test substance is not readily degradable based on the biodegradation test.

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed

Additional information

The study was conducted in accordance with the Test Method Relating to New Chemical Substances <Biodegradability Test of Chemical Substances by Microorganisms> (Yakushokuhatsu No. 1121002, Heisei 15.11.13 Seikyoku No. 2, Kanpokihatsu No. 031121002, November 21, 2003; the latest revision, November 20, 2006) with GLP. After 28 days, from the degradability results based on the BOD (av. 0%) and the residual test substance amount (av. 2%) as well as the peak shape of the test substance on the HPLC chromatogram which showed no change, it is concluded that the test substance is not readily degradable and was not transformed structurally under the conditions of this test.