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EC number: 616-894-6 | CAS number: 8006-82-4
Endpoint summary
Administrative data
Description of key information
Biodegradation
Biodegradation in water: screening tests
Biodegradability of Black pepper oil (CAS: 8006-82-4) is predicted using OECD QSAR toolbox version 3.3 with log Kow as the primary descriptor. Test substance undergoes 7.9 % degradation by BOD in 28 days. Thus, based on percentage degradation, the test chemical Black pepper oil (CAS: 8006-82-4) was estimated to be not readily biodegradable in water
Biodegradation in water and sediment: simulation tests
Estimation Programs Interface (EPI Suite, 2017) prediction model was run to predict the half-life in water and sediment for the test compoundBlack pepper oil (CAS: 8006-82-4). If released in to the environment,50.2% of the chemical will partition into water according to the Mackay fugacity model level III and the half-life period of Black pepper oilin water is estimated to be 15 days (360 hrs). The half-life (15 days estimated by EPI suite) indicates that the chemical is persistent in water whereas the half-life period of black pepper oil in sediment is estimated to be 135 days (3240 hrs). Based on this half-life value, it indicates that Black pepper oil is persistent in sediment.
Biodegradation in soil
The half-life period ofBlack pepper oil (CAS: 8006-82-4)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, 47.5 % of the chemical will partition into soil according to the Mackay fugacity model level III. The half-life period of Black pepper oil (CAS: 8006-82-4) in soil is estimated to be 30 days (720 hrs).
Additional information
Biodegradation
Biodegradation in water: screening tests
Following studies include the predicted data and experimental study for the target chemical and structurally similar read acoss to conclude the extent of (Black pepper oil (CAS: 8006-82-4) towards Biodegradability in water is summarized as follows:
Biodegradability of Black pepper oil (CAS: 8006-82-4) is predicted using OECD QSAR toolbox version 3.3 with log Kow as the primary descriptor. Test substance undergoes 7.9 % degradation by BOD in 28 days. Thus, based on percentage degradation, the test chemical Black pepper oil (CAS: 8006-82-4) was estimated to be not readily biodegradable in water.
Similar estimated data for the target chemical suggests that the Estimation Programs Interface Suite (EPI suite, 2017) was run to predict the biodegradation potential of the test compound Black pepper oil (CAS: 8006-82-4)in the presence of mixed populations of environmental microorganisms. The biodegradability of the substance was calculated using seven different models such as Linear Model, Non-Linear Model, Ultimate Biodegradation Timeframe, Primary Biodegradation Timeframe, MITI Linear Model, MITI Non-Linear Model and Anaerobic Model (called as Biowin 1-7, respectively) of the BIOWIN v4.10 software. The results indicate that chemical Black pepper oil (CAS: 8006-82-4)is expected to be not readily biodegradable.
The predicted data for the target chemical is supported by the experimental study of structurally similar read acoss 3a,4,7,7a-tetrahydro-4,7-methanoindene (CAS: 77-73-6) from J-check 2017 suggests that theBiodegradation in water test was carried out for 3a,4,7,7a-tetrahydro-4,7-methanoindene according to the OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I)) 3a,4,7,7a-tetrahydro-4,7-methanoindene (CAS: 77-73-6) is not readily biodegradable after 14 days (120h). After 14 days (120h) the % degradation is 0%.
Further it is supported by another structurally similar read across from J-check 2017, also indixates that the Biodegradation in water test was carried out for 5-ethylidene-8,9,10-trinorborn-2-ene according to the OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I)) 5-ethylidene-8,9,10-trinorborn-2-ene (CAS: 16219-75-3) is not readily biodegradable after 4 wk (672 h). After 4 wk (672 h) the % degradation is 0%.
Biodegradation in water and sediment: simulation tests
Estimation Programs Interface (EPI Suite, 2017) prediction model was run to predict the half-life in water and sediment for the test compoundBlack pepper oil (CAS: 8006-82-4). If released in to the environment,50.2% of the chemical will partition into water according to the Mackay fugacity model level III and the half-life period of Black pepper oilin water is estimated to be 15 days (360 hrs). The half-life (15 days estimated by EPI suite) indicates that the chemical is persistent in water whereas the half-life period of black pepper oil in sediment is estimated to be 135 days (3240 hrs). Based on this half-life value, it indicates that Black pepper oil is persistent in sediment.
Biodegradation in soil
The half-life period ofBlack pepper oil (CAS: 8006-82-4)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, 47.5 % of the chemical will partition into soil according to the Mackay fugacity model level III. The half-life period ofBlack pepper oil (CAS: 8006-82-4)in soil is estimated to be 30 days (720 hrs).
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