Registration Dossier
Registration Dossier
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EC number: 609-256-3 | CAS number: 365400-11-9
Endpoint summary
Administrative data
Description of key information
Additional information
Hydrolysis of the test item is not a relevant degradation pathway
in the environment. An experimental study did not result in hydrolytic
degradation of the test item at pH 5, 7 and 9. Thus, it can be concluded
that hydrolysis does not contribute to the overall elimination of the
compound from the water phase. If the substance is present in surface
water it will not be degraded by irradiation of sunlight. No DT50 values
were derived based on the result of one experimental study due to
insignificant degradation found. Similar results were found for the
photodegradation of the substance in soil. The substance was only slowly
degraded in soil samples with difference content of organic carbon
(DT50: 309 solar days (New River, AZ, USA; organic carbon 4.1%); 173
solar days (New River, AZ, USA; organic carbon: 1.2%)). A release to the
atmospheric compartment is very unlikely due to the low vapour pressure
(2.7E-9 hPa at 20 °C) and low Henry’s Law Constant (1.42E-9 Pa*m³/mole).
However, if present in the air the substance is degraded quickly in the
presence of OH-radicals with a DT50 of 10.3 h (24 h day).
In conclusion abiotic degradation will not contribute to the overall
degradation process of the substance in the environment.
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