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Diss Factsheets
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EC number: 247-667-6 | CAS number: 26402-22-2
- 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
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- (Q)SAR
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
- Justification for type of information:
- 1. SOFTWARE
ARChem SPARC. version 4.6
2. MODEL
Properties - Vapor Pressure
3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL
See “Test material information”
4. SCIENTIFIC VALIDITY OF THE (Q)SAR MODEL
Information on the OECD criteria as outlined by the applicant is provided below under "Any other information of materials and methods incl. tables".
5. APPLICABILITY DOMAIN
See information provided in "Any other information of materials and methods incl. tables".
6. ADEQUACY OF THE RESULT
See assessment of adequacy as outlined in the "Overall remarks, attachments" section. - Qualifier:
- according to guideline
- Guideline:
- other:
- Version / remarks:
- REACH Guidance on QSARs R.6
- Principles of method if other than guideline:
- Calculation based on SPARC version v4.6, "Properties" calculation type
- Software tool(s) used including version: SPARC v4.6
- Model(s) used: Properties - Vapor Pressure (Pa)
The model utilizes a conventional LFER (Linear Free Energy Relationships), SAR (Structure Activity Relationships) and PMO (Perturbed Molecular Orbital) theory. For the complete method's description see field 'Any other information on materials and methods incl. tables'.
The datasets used for the model development (315 molecules) and for the external validation (747 molecules) are described in the field 'Any other information on materials and methods incl. tables'.
- Model description: see field 'Any other information on materials and methods incl. tables'.
- Justification of QSAR prediction: see field 'Justification for type of information' and 'overall remarks'. - GLP compliance:
- no
- Type of method:
- other: QSAR
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Endpoint:
- vapour pressure
- Type of information:
- (Q)SAR
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
- Justification for type of information:
- 1. SOFTWARE
ARChem SPARC. version 4.6
2. MODEL
Properties - Vapor Pressure
3. SMILES OR OTHER IDENTIFIERS USED AS INPUT FOR THE MODEL
See “Test material information”
4. SCIENTIFIC VALIDITY OF THE (Q)SAR MODEL
Information on the OECD criteria as outlined by the applicant is provided below under "Any other information of materials and methods incl. tables".
5. APPLICABILITY DOMAIN
See information provided in "Any other information of materials and methods incl. tables".
6. ADEQUACY OF THE RESULT
See assessment of adequacy as outlined in the "Overall remarks, attachments" section. - Qualifier:
- according to guideline
- Guideline:
- other:
- Version / remarks:
- REACH Guidance on QSARs R.6
- Principles of method if other than guideline:
- Calculation based on SPARC version v4.6, "Properties" calculation type
- Software tool(s) used including version: SPARC v4.6
- Model(s) used: Properties - Vapor Pressure (Pa)
The model utilizes a conventional LFER (Linear Free Energy Relationships), SAR (Structure Activity Relationships) and PMO (Perturbed Molecular Orbital) theory. For the complete method's description see field 'Any other information on materials and methods incl. tables'.
The datasets used for the model development (315 molecules) and for the external validation (747 molecules) are described in the field 'Any other information on materials and methods incl. tables'.
- Model description: see field 'Any other information on materials and methods incl. tables'.
- Justification of QSAR prediction: see field 'Justification for type of information' and 'overall remarks'. - GLP compliance:
- no
- Type of method:
- other: QSAR
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- data from handbook or collection of data
- Principles of method if other than guideline:
- public available peer reviewed source
- GLP compliance:
- not specified
- Type of method:
- other: public available peer reviewed source
- Temp.:
- 25 °C
- Vapour pressure:
- 0.022 Pa
Referenceopen allclose all
QSAR result; transition/decomposition is not specified/reported. For detailed description of the model and its applicability, see "Any other information on materials and methods incl. tables".
QSAR result; transition/decomposition is not specified/reported. For detailed description of the model and its applicability, see "Any other information on materials and methods incl. tables".
Description of key information
<0.0001 Pa at 20 °C (QSAR, ARChem SPARC. version 4.6)
Key value for chemical safety assessment
Additional information
Overall results
The following table summarizes the results obtained for the three representative components of the substance.
|
C10 monoester |
C10 diester |
Glycerol |
Vapour pressure at 20 °C (QSAR, Sparc) |
1.01E-5 Pa |
4.65E-9 Pa |
n.c. |
Experimental vapour pressure |
n.a. |
n.a. |
0.0224 Pa at 25 °C |
n.a.: not available
n.c.: not calculated
Discussion
SPARC physical property models have been designed and parameterized to be applicable to any organic chemical structure. The vapour pressure model validation, performed on a dataset of 747 molecules, proved that the model can be used to provide reliable estimations. It is however not possible to perform a clear evaluation of the model’s applicability domain.
Esters of fatty acids and alcohol with high molecular weight and long carbon chains are usually low volatile molecules, associated with low vapour pressure.
According to analytical information, free glycerol can be also present in the final composition of the substance (maximum 10%). Experimental value for vapour pressure is available for this substance (Daubert and Danner, 1989), suggesting a higher volatility compared to the esters components (0.0224 Pa).
Conclusion
Considering the results obtained from QSAR evaluation, a vapour pressure < 0.0001 Pa can be considered as a reasonable estimation for the substance.
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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