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Diss Factsheets
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EC number: 202-940-9 | CAS number: 101-41-7
- 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
Adsorption / desorption
Administrative data
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Justification for type of information:
- Data is from HSDB and PubChem authoritative database
- Qualifier:
- according to guideline
- Guideline:
- other: as mentioned below
- Principles of method if other than guideline:
- Soil adsorption coefficient (Koc) of test chemical was estimated using a logKow and a regression derived equation.
- GLP compliance:
- not specified
- Type of method:
- other: no data available
- Media:
- soil
- Radiolabelling:
- not specified
- Analytical monitoring:
- not specified
- Computational methods:
- - Other: Koc value of test chemical was estimated using a logKow of 1.83 and a regression derived equation.
- Key result
- Type:
- Koc
- Value:
- 74 dimensionless
- Remarks on result:
- other: Log Koc= 1.86
- Transformation products:
- not specified
- Validity criteria fulfilled:
- not specified
- Conclusions:
- The adsorption coefficient (Koc) value of test chemical was estimated to be 74 calculated using a logKow and a regression derived equation.
- Executive summary:
Adsorption study was conducted for estimating the adsorption coefficient (Koc) value of test chemical. The adsorption coefficient (Koc) value was calculated using a logKow of 1.83 and a regression derived equation. The adsorption coefficient (Koc) value of test chemical was estimated to be 74 (Log Koc = 1.86). This Koc value indicates that the test chemical has a low sorption to soil and sediment and therefore have moderate migration potential to ground water.
Reference
According to a classification scheme, the estimated Koc value suggests that test chemical is expected to have high mobility in soil.
Description of key information
Adsorption study was conducted for estimating the adsorption coefficient (Koc) value of test chemical (authoritative databases, 2017). The adsorption coefficient (Koc) value was calculated using a logKow of 1.83 and a regression derived equation. The adsorption coefficient (Koc) value of test chemical was estimated to be 74 (Log Koc = 1.86). This Koc value indicates that the test chemical has a low sorption to soil and sediment and therefore have moderate migration potential to ground water.
Key value for chemical safety assessment
- Koc at 20 °C:
- 74
Additional information
Experimental study and various predicted data of the test chemical were reviewed for the adsorption end point which are summarized as below:
In an experimental key study from authoritative database (2017),adsorption experiment was conducted for estimating the adsorption coefficient (Koc) value of test chemical. The adsorption coefficient (Koc) value was calculated using a logKow of 1.83 and a regression derived equation. The adsorption coefficient (Koc) value of test chemical was estimated to be 74 (Log Koc = 1.86).
In a prediction done using the BCFBAF Programof Estimation Programs Interface was used to predict the soil adsorption coefficient i.e Koc value of test chemical. The soil adsorption coefficient i.e Koc value of test chemical was estimated to be 120 L/kg (log Koc=2.0791) by means of MCI method (at 25 deg C). This Koc value indicates that the test chemical has a low sorption to soil and sediment and therefore have moderate migration potential to ground water.
The Soil Adsorption Coefficient i.e Koc value of test chemical was estimated using Adsorption Coefficient module program as Koc 280 (logKoc = 2.4 ± 1.0) at pH range 1-14, respectively(ACD (Advanced Chemistry Development)/I-Lab predictive module, 2017)).
On the basis of above overall results for test chemical (from authoritative and modelling databases,2017), it can be concluded that the logKoc value of test chemicalranges from1.86– 2.4, indicating that the test chemical has a low sorption to soil and sediment and therefore have moderate migration potential to ground water.
Waiver statement
In accordance with column 2 of Annex IX of the REACH regulation,testing for this endpointis scientifically not necessary and does not need to be conducted since the test chemicalhas a low potential for adsorption based on low octanol water partition coefficient.
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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