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Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

Poorly biodegradable.

Key value for chemical safety assessment

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Since diethyl ether - boron trifluoride rapidly decomposes in water, the biodegradability of the products diethyl ether and boron trifluoride dihydrate is examined. The biodegradability of diethyl ether was tested following the OECD test guideline 301 C. After the 28 days test period, biodegradation remained below 10 % (JETOC, 1985). Diethyl ether is therefore considered poorly biodegradable. Boron trifluoride dihydrate is inorganic and is therefore not subject to biodegradation.