Registration Dossier
Registration Dossier
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EC number: 264-859-5 | CAS number: 64381-99-3
Endpoint summary
Administrative data
Description of key information
Biodegradation in water: The % degradation of the test item after 42 days of incubation at 20 ± 1°C according to Closed Bottle test was determined to be 41.09 %. Based on the results, the test item, under the test conditions, was considered to be inherently biodegradable in nature.
Additional information
Biodegradation in water: 42-days Closed Bottle test following the OECD guideline 301 D was performed to determine the ready biodegradability of the test item. The study was performed at a temperature of 20°C. The test system included control, test item and reference item. Polyseed were used for this study. 1 polyseed capsule were added in 500ml D.I water and then stirred for 1 hour for proper mixing and functioning of inoculum. The concentration of test and reference item chosen for both the study was 4mg/L, while that of inoculum was 32 ml/l. OECD mineral medium was used for the study. ThOD (Theoretical oxygen demand) of test and reference item was determined by calculation. % degradation was calculated using the values of BOD and ThOD for test item and reference item. Degradation of Sodium Benzoate exceeds 45.18 % on 7 days & 70.48 %on 14th day. The BOD42 value of test chemical was observed to be 0.9mgO2/mg. ThOD was calculated as 2.19mgO2/mg. Accordingly, the % degradation of the test item after 42 days of incubation at 20 ± 1°C according to Closed Bottle test was determined to be 41.09 %. Based on the results, the test item, under the test conditions, was considered to be inherently biodegradable in nature.
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