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EC number: 289-064-0 | CAS number: 85959-68-8
Biodegradation in water and sediment: simulation tests
Administrative data
Link to relevant study record(s)
Description of key information
This study was not conducted since it is scientifically unjustified.
Key value for chemical safety assessment
Additional information
Various screening studies have shown that biodegradation of DTPA occurs very slowly under typical environmental conditions. Thus, little useful information would be gained from a simulation study in water and sediment. Photodegradation of DTPA, particularly the iron (Fe+3) chelate, is expected to be a major degradation route in the aqueous environment. Photodegradation studies have identified the following photodegradation products for DTPA: Diethylenetriaminetetraacetic acid, diethylenetriaminetriacetic acid, ethylenediaminetriacetic acid, N,N'- and/or N,N-ethylenediaminediacetic acid, iminodiacetate, ethylenediaminemonoacetic acid and glycine.
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