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Diss Factsheets
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EC number: 685-616-3 | CAS number: 66094-79-9
- 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
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- Experimental date: 18 November 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised method. No deviation affected the quality of the study. The substance is adequately characterised. Therefore full validation applies.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Version / remarks:
- 2012
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Version / remarks:
- Commission Regulation (EC) No 440/2008 (no update to the A.3 method since 2008)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- signed on 15 Nov. 2018
- Type of method:
- pycnometer method
- Dynamic viscosity of test material:
- visually lowly viscous (suitable for pycnometer method)
- Type:
- density
- Density:
- 962 kg/m³
- Temp.:
- 20 °C
- Key result
- Type:
- relative density
- Density:
- 0.962 other: relative density has no dimension
- Temp.:
- 20 °C
- Conclusions:
- The substance is less dense than water.
- Executive summary:
The density of the test substance was measured under GLP according OECD 109 / EU A3 guideline, pycnometer method.
Calibration was performed with water. Experiment was performed at 20 °C in duplicate, and the mean density was calculated, and converted to relative density vs water at 4°C.
The density of the test substance at 20 ºC was 962.0 kg/m3. The relative density D20/4 was 0.962.
Reference
Results of the two determinations are reported in the following table:
Measurement | Determination | |
1 | 2 | |
Temperature (°C) | 20.0 | 20.0 |
Mass of the empty pycnometer (m0) (g) | 31.4361 | 31.6210 |
Mass of the pycnometer filled with ultrapure water (m2) (g) | 81.4889 | 81.6404 |
Mass of the pycnometer filled with the test item (m1) (g) | 79.6730 | 79.8235 |
Density of the test item (kg/m3) | 962.0 | 962.0 |
Mean Density (kg/m3) | 962.0 |
The two determinations are within the validity criteria of the method: (less than 1% of difference).
No additional determination was performed.
The relative density of the test item was determined to be D20/4 = 0.962
Description of key information
Experimental density = 962.0 kg/m3 at 20°C. Relative density D20/4 = 0.962. (OECD 109, pycnometer; GLP)
The substance is less dense than water.
Key value for chemical safety assessment
- Relative density at 20C:
- 0.962
Additional information
A fully reliable experimental study, conducted according to a recognized OECD method and under GLP, is available.
It is considered as key study, and the result is retained as key data.
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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