Registration Dossier
Registration Dossier
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EC number: 695-022-6 | CAS number: 473278-76-1
Phototransformation in soil
Administrative data
Link to relevant study record(s)
Description of key information
Tefuryltrione is photolytically degraded in soil with a half-life of 3.9 days.
Key value for chemical safety assessment
- Half-life in soil:
- 3.9 d
Additional information
The endpoint “phototransformation in soil” is not a data requirement for the registered substance. However, for the sake of completeness this endpoint is covered by a short summary of the available data.
In the available GLP study, the photolytic route and rate of degradation of tefuryltrione was studied on one soil under exposure to simulated sunlight and aerobic conditions in the laboratory for 9 days at 20 °C and 55 ± 5% of the maximum water holding capacity in comparison to samples incubated in the dark. The study was performed according to OECD Draft Guideline for Testing of Chemicals: Phototransformation of Chemicals on Soil Surfaces and US EPA OCSPP Guideline No. 835.2410. The degradation half-live (DT50) for tefuryltrione in soil was 3.9 days.
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