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EC number: 911-358-0 | CAS number: -
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Endpoint summary
Administrative data
Description of key information
Biodegradation in water
On the basis of the predicted data for the test chemical and supporitng experimental studies of the structurally and functionally similar read across chemical and applying the weight of evidence approach, the percentage degradation of the test chemical Reaction mass of 1,4-bis(butylamino)anthraquinone and 1,4-bis(methylamino)anthraquinone and 1,4 -bis[(2 -ethylhexyl)amino]anthraquinone and 1 -(butylamino)-4 -(methylamino)anthraquinone and 1 -(butylamino)-4 -[(2 -ethylhexyl)amino]anthraquinone and 1 -[(2 -ethylhexyl)amino]-4 -(methylamino)anthraquinone can be expected to be range from 0 to 10.212%, respectively in 28 days and half-life was evluated to be 2.2958 to 2.7065 months, respectively. Thus, based on this, test chemical Reaction mass of 1,4-bis(butylamino)anthraquinone and 1,4-bis(methylamino)anthraquinone and 1,4-bis[(2-ethylhexyl)amino]anthraquinone and 1-(butylamino)-4-(methylamino)anthraquinone and 1-(butylamino)-4-[(2-ethylhexyl)amino]anthraquinone and 1-[(2-ethylhexyl)amino]-4-(methylamino)anthraquinone can be considered to be not readily biodegradable in nature.
Additional information
Biodegradation in water
Based on the predicted data for the test chemical Reaction mass of 1,4-bis(butylamino)anthraquinone and 1,4-bis(methylamino)anthraquinone and 1,4-bis[(2-ethylhexyl)amino]anthraquinone and 1-(butylamino)-4-(methylamino)anthraquinone and 1-(butylamino)-4-[(2-ethylhexyl)amino]anthraquinone and 1-[(2-ethylhexyl)amino]-4-(methylamino)anthraquinone and different supporting studies for its structurally and functionally similar read across chemical, the biodegradability of the test chemical Reaction mass of 1,4-bis(butylamino)anthraquinone and 1,4-bis(methylamino)anthraquinone and 1,4-bis[(2-ethylhexyl)amino]anthraquinone and 1-(butylamino)-4-(methylamino)anthraquinone and 1-(butylamino)-4-[(2-ethylhexyl)amino]anthraquinone and 1-[(2-ethylhexyl)amino]-4-(methylamino)anthraquinone has been determined. The studies are as mentioned below:
In a prediction using the Estimation Programs Interface Suite, the biodegradation potential of the test compound Reaction mass of 1,4-bis(butylamino)anthraquinone and 1,4 -bis(methylamino)anthraquinone and 1,4 -bis[(2 -ethylhexyl)amino]anthraquinone and 1-(butylamino)-4-(methylamino)anthraquinone and 1 -(butylamino)-4 -[(2 -ethylhexyl) amino]anthraquinone and 1 -[(2 -ethylhexyl)amino]-4 -(methylamino)anthraquinone (CAS no. 911 -358 -0) in the presence of mixed populations of environmental microorganisms was predicted. 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 1,4 -bis[(2 -ethylhexyl)amino]-9,10 -dihydro anthracene-9,10 -dione is expected to be not readily biodegradable.
28-days Manometric respirometry test following the OECD guideline 301F was conducted for determining the ready biodegradability of the test chemical. The study was performed at a temperature of 20± 1°C. Mixture of domestic waste water, surface soil and soil samples was used as a test inoculum for the study. This inoculum was collected and were mixed to get diluted suspension. The inoculum was kept aerobic until being used for experiment by supplying organic and inorganic sources required by micro flora to sustain at controlled laboratory conditions. This gave the bacterial count as 107to 108 CFU/ml. At the regular interval microbial plating was also performed on agar to confirm the vitality and CFU count of microorganism. OECD mineral medium was used for the study. The test system included control, test item and reference item. The concentration of test and reference item (Sodium Benzoate) chosen for both the study was 30 mg/L, while that of inoculum was 10 ml/l. 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. The % degradation of procedure control (Sodium Benzoate) was also calculated using BOD & ThOD and was determined to be 74.04%. The mean BOD values(mg O2/l) in control on 28th day was 9 mg O2/l, thereby fulfilling the control validity criteria (i.e., The oxygen consumption of the inoculum blank is normally 20-30 mg O2/l and should not be greater than 60 mg/l in 28 days). Degradation of Sodium Benzoate exceeds 48.04%after 7 days and 66.06% after 14 days. The activity of the inoculums is thus verified and the test can be considered as valid. The BOD28 value of test chemical was observed to be 0.188 mgO2sup>/mg. ThOD was calculated as 1.836 mgO2/mg. Accordingly, the % degradation of the test item after 28 days of incubation at 20 ± 1°C according to manometric respirometry test was determined to be 10.212%.Based on the results, the test item, under the test conditions, was considered to be not readily biodegradable at 20 ± 1°C over a period of 28 days.
Additional biodegradation study was conducted for 28 days for evaluating the percentage biodegradability of test substance. Concentration of inoculum i.e, sludge used was 30 mg/l and initial test substance conc. used in the study was 100 mg/l, respectively.The percentage degradation of test substance was determined to be 1 and 0% by BOD and HPLC parameter in 28 days.Thus, based on percentage degradation, test chemical is considered to be not readily biodegradable in nature.
On the basis of the predicted data for the test chemical and supporitng experimental studies of the structurally and functionally similar read across chemical and applying the weight of evidence approach, the percentage degradation of the test chemical Reaction mass of 1,4-bis(butylamino)anthraquinone and 1,4-bis(methylamino)anthraquinone and 1,4-bis[(2-ethylhexyl)amino]anthraquinone and 1-(butylamino)-4-(methylamino)anthraquinone and 1-(butylamino)-4-[(2-ethylhexyl)amino]anthraquinone and 1 -[(2 -ethylhexyl) amino]-4 -(methylamino)anthraquinone can be expected to be range from 0 to 10.212%, respectively in 28 days and half-life was evluated to be 2.2958 to 2.7065 months, respectively. Thus, based on this, test chemical Reaction mass of 1,4-bis(butylamino)anthraquinone and 1,4-bis(methylamino)anthraquinone and 1,4 -bis[(2 -ethylhexyl)amino] anthraquinone and 1 -(butylamino)-4 -(methylamino)anthraquinone and 1-(butylamino)-4-[(2-ethylhexyl)amino]anthraquinone and 1-[(2-ethylhexyl)amino]-4-(methylamino) anthraquinone can be considered to be not readily biodegradable in nature.
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