Registration Dossier
Registration Dossier
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EC number: 238-914-9 | CAS number: 14852-17-6
Endpoint summary
Administrative data
Description of key information
Biodegradation in water
28-days Closed Bottle test following the OECD guideline 301 D to determine the ready biodegradability of the test item (Experimental study report, 2019). The study was performed at a temperature of 20°C. The test system included control, test item and reference item. Polyseed were used as a test inoculum for this study. The concentration of test and reference item (Sodium Benzoate) chosen for both the study was 4 mg/L, while that of inoculum was 32 ml/l. OECD mineral medium was used for the study. The % degradation of procedure control (reference item) was also calculated using BOD & ThOD and was determined to be 85.54%. Degradation of Sodium Benzoate exceeds 67.46% on 7 days & 73.49% on 14th day. The activity of the inoculum is thus verified and the test can be considered as valid. The BOD28 value of test chemical was observed to be 0.37 mgO2/mg. ThOD was calculated as 0.5 mgO2/mg. Accordingly, the % degradation of the test item after 28 days of incubation at 20 ± 1°C according to Closed Bottle test was determined to be 74%. Based on the results, the test item, under the test conditions, was considered to be readily biodegradable in nature.
Biodegradation in water and sediment
In accordance with column 2 of Annex IX of the REACH regulation, testing for this end point is scientifically not necessary and does not need to be conducted since the test chemical is readily biodegradable in water.
Biodegradation in soil
In accordance with column 2 of Annex IX of the REACH regulation, testing for this end point is scientifically not necessary and does not need to be conducted since the test chemical is readily biodegradable in water.
Additional information
Biodegradation in water
28-days Closed Bottle test following the OECD guideline 301 D to determine the ready biodegradability of the test item (Experimental study report, 2019). The study was performed at a temperature of 20°C. The test system included control, test item and reference item. Polyseed were used as a test inoculum for this study. The concentration of test and reference item (Sodium Benzoate) chosen for both the study was 4 mg/L, while that of inoculum was 32 ml/l. OECD mineral medium was used for the study. The % degradation of procedure control (reference item) was also calculated using BOD & ThOD and was determined to be 85.54%. Degradation of Sodium Benzoate exceeds 67.46% on 7 days & 73.49% on 14th day. The activity of the inoculum is thus verified and the test can be considered as valid. The BOD28 value of test chemical was observed to be 0.37 mgO2/mg. ThOD was calculated as 0.5 mgO2/mg. Accordingly, the % degradation of the test item after 28 days of incubation at 20 ± 1°C according to Closed Bottle test was determined to be 74%. Based on the results, the test item, under the test conditions, was considered to be readily biodegradable in nature.
Biodegradation in water and sediment
In accordance with column 2 of Annex IX of the REACH regulation, testing for this end point is scientifically not necessary and does not need to be conducted since the test chemical is readily biodegradable in water.
Biodegradation in soil
In accordance with column 2 of Annex IX of the REACH regulation, testing for this end point is scientifically not necessary and does not need to be conducted since the test chemical is readily biodegradable in water.
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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