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Diss Factsheets
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EC number: 300-326-6 | CAS number: 93925-25-8
- 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
Density
Administrative data
Link to relevant study record(s)
- Endpoint:
- relative density
- Remarks:
- Other density types indicated (migrated information): density
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Between 03 November 2011 and 24 December 2011
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Valid and conclusive guideline study under GLP
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- Commission Regulation (EC) No 440/2008 of 30 May 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes
- Remarks:
- Department of Health of Government of the U.K., inspection 19-21 July 2011
- Type of method:
- pycnometer method
- Remarks:
- (Quantachrome MVP-2 gas comparison pycnometer)
- Type:
- relative density
- Density:
- 0.91
- Temp.:
- 21 °C
- Remarks on result:
- other: Temperature ± 0.5 °C
- Type:
- density
- Density:
- 910 kg/m³
- Temp.:
- 21 °C
- Remarks on result:
- other: Temperature ± 0.5 °C
- Conclusions:
- Lighter than water, relative density 0.910 at 21.0 ± 0.5 °C
- Executive summary:
The density of the test item was determined in a GLP-compliant study using a gas comparison pycnometer according to the EU A.3 (2008) and OECD TG 109 (1995) protocol. The experiment is deemed valid, conclusive and thus suitable for assessment without restrictions.
The relative density was measured to be 0.910 at 21.0 ± 0.5 °C, which corresponds to a density of 910 kg/m³, which indicates that the test item is lighter than water.
Reference
Calibration
The pressure readings and the calculated volume for the reference and calibration cells are shown in the following table:
Table 2: Calibration data
Determination | P1 | P2 | P3 | P4 | Vref [cm³] | Vsample [cm³] |
1 | 17.452 | 6.603 | 17.087 | 8.464 | 90.602 | 148.863 |
2 | 17.151 | 6.494 | 17.270 | 8.559 | 90.742 | 148.913 |
3 | 17.371 | 6.580 | 17.126 | 8.493 | 90.714 | 148.769 |
Sample
The pressure readings, calculated volumes and density values obtained for the test item are shown in the following table:
Table 3: Sample data
Determination | Test | P1sample | P2sample | Volume [cm³] | Density [kg/m³] | Mean Density [kg/m³] |
1 | 1 | 17.198 | 9.069 | 67.6 | 912 | 911 |
2 | 17.045 | 8.993 | 67.7 | 910 | ||
3 | 17.015 | 8.980 | 67.7 | 910 | ||
2 | 1 | 17.334 | 10.114 | 84.1 | 910 | 909 |
2 | 17.207 | 10.044 | 84.2 | 909 | ||
3 | 17.254 | 10.071 | 84.2 | 909 |
Description of key information
Lighter than water (EU Method A.3)
Key value for chemical safety assessment
- Relative density at 20C:
- 0.91
Additional information
The density was determined in a GLP-compliant study (Fox & White 2012, Harlan Report no. 41103263) using a gas comparison pycnometer according to the EU A.3 (2008) and OECD TG 109 (1995) protocol. The experiment is deemed valid, conclusive and thus suitable for assessment without restrictions.
The relative density was measured to be 0.910 at 21.0 ± 0.5 °C, which corresponds to a density of 910 kg/m³ and indicates that the submission item is lighter than water.
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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