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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

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Diss Factsheets

Environmental fate & pathways

Biodegradation in water: screening tests

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Description of key information

The biodegradation of DTPA was assessed in several screening tests and in non of the tests significant biodegradation was observed.

Key value for chemical safety assessment

Biodegradation in water:
under test conditions no biodegradation observed
Type of water:

Additional information

In standard biodegradation screening tests, including several ready biodegradation tests, no detectable biodegradation of DTPA was observed. In several studies, increasing the sludge age or increasing the pH of the test system resulted in some degradation of the DTPA. Pre-treatment of wastewaters containing DTPA using various oxidation processes can result in degradation of the compound.