Registration Dossier
Registration Dossier
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EC number: 232-234-6 | CAS number: 7790-94-5
Endpoint summary
Administrative data
Description of key information
Biodegradation in water
According to column 2 of annex VII the study does not need to be conducted because the substance is inorganic.Hence this endpoint is considered for waiver.
Biodegradation in water and sediment
Estimation Programs Interface (EPI Suite, 2018) prediction model was run to predict the half-life in water and sediment for the test compound. The Test chemical If released in to the environment, 37.7 % of the chemical will partition into water according to the Mackay fugacity model level III and the half-life period of the chemical in water is estimated to be 15days (360 hrs.)The half-life (15 days estimated by EPI suite) indicates that the chemical is not persistent in water and the exposure risk to aquatic animals is low whereas the half-life period of Test chemical in sediment is estimated to be 135 days (3240 hrs). However, as the percentage release of test chemical into sediment is less than 1 %( i.e., reported as 0.0725%) indicates that test chemical is not persistent in sediments.
Biodegradation in soil
The half-life period of Test chemical in soil was estimated using Level III Fugacity Model by EPI Suite version 4.1 estimation database (EPI suite, 2018). If released into the environment, 60.5 % of the chemical will partition into soil according to the Mackay fugacity model level III. The half-life period of test chemical in soil is estimated to be 30 days (720 hrs). Based on this half-life value of test chemical, it is concluded that the chemical is not persistent in the soil environment and the exposure risk to soil dwelling animals is moderate to low.
Additional information
Biodegradation in water
The study does not need to be conducted because the test substance is inorganic. . Hence this endpoint is considered for waiver.
Biodegradation in water and sediment
Estimation Programs Interface (EPI Suite, 2017) prediction model was run to predict the half-life in water and sediment for the test compound. The Test chemical If released in to the environment, 37.7 % of the chemical will partition into water according to the Mackay fugacity model level III and the half-life period of the chemical in water is estimated to be 15days (360 hrs.)The half-life (15 days estimated by EPI suite) indicates that the chemical is not persistent in water and the exposure risk to aquatic animals is low whereas the half-life period of Test chemical in sediment is estimated to be 135 days (3240 hrs). However, as the percentage release of test chemical into sediment is less than 1 %( i.e., reported as 0.0725%) indicates that test chemical is not persistent in sediments.
Biodegradation in soil
The half-life period of Test chemical in soil was estimated using Level III Fugacity Model by EPI Suite version 4.1 estimation database (EPI suite, 2017). If released into the environment, 60.5 % of the chemical will partition into soil according to the Mackay fugacity model level III. The half-life period of test chemical in soil is estimated to be 30 days (720 hrs). Based on this half-life value of test chemical, it is concluded that the chemical is not persistent in the soil environment and the exposure risk to soil dwelling animals is moderate to low.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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