Registration Dossier
Registration Dossier
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EC number: 810-161-6 | CAS number: 1229654-66-3
Endpoint summary
Administrative data
Description of key information
Additional information
Hydrolysis of the test item in strongly dependent on the temperature and the pH conditions. At 20 °C a DT50 of 58 d resulted at pH 7 whereas a DT50 of 1.27 d at pH 9 was determined. For pH 4 the substance degraded slowly at 20 °C (DT50: 265 d). Thus, it can be concluded that hydrolysis contributes to the overall elimination of the compound from the water phase depending on the environmental conditions. However, it has to be taken into account that photodegradation is the main abiotic degradation pathway of the substance in water. The DT50 in irradiated samples under environmental conditions were 10.5 solar summer days in Phoenix, Arizona, USA and 4.7 - 4.9 d in Tokyo, Japan. Photodegradation in soil is considered to be slower compared to natural water. DT50 values of82.4 solar summer days at Phoenix, Arizona, USA, or 127.7 solar summer days at Athens, Greece were calculated. In conclusion hydrolysis in combination with photodegradation will contribute to the overall abiotic degradation process in water.
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