Registration Dossier
Registration Dossier
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EC number: 209-909-9 | CAS number: 597-82-0
Endpoint summary
Administrative data
Description of key information
DT50 > 60d in biodegradation in water simulation test (OECD 309)
Additional information
O,O,O-triphenyl phosphorothioate is not readily biodegradable according to OECD criteria. Primary degradation (~ 50%) and a certain but low degree of mineralization (17-19%) was observed in several ready and inherent biodegradation screening tests. Under more realistic environmental conditions of a biodegradation in water simulation test according to OECD 309, biodegradation was found to be even lower as indicated by quantitatively few metabolites and a DT50 of 3000 to >10000 days depending on the concentration tested. Thus, O,O,O-triphenyl phosphorothioate is considered to be very persistent in the environment.
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