Registration Dossier
Registration Dossier
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EC number: 216-885-3 | CAS number: 1689-99-2
Phototransformation in soil
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
- Half-life in soil:
- 2.6 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. There are a total of three studies on the phototransformation in soil available.
Two studies on the photodegradation of 2,6-dibromo-4-cyanophenyl octanoate were performed according to the US EPA Subdivision N, 161-3 guideline and GLP. The first study assessed the photodegradation on thin layers (about 2 mm) of a sandy silt loam soil using light irradiation over the range 300-800 nm (353 Wh/sqm). The second study used thin layers (about 2 mm) of a sandy loam soil exposed to an artificial sunlight intensity of 544.0 Watts/sqm at 25 °C. The half-life of the test substance was calculated to 2.2 and 2.6 days, respectively.
A third study, confirmed the identity of the test substance and its metabolites that were formed during a soil photolysis study.
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