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EC number: 268-640-5 | CAS number: 68132-47-8
- 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
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 14 June 2016 to 17 July 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 109 (Density of Liquids and Solids)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.3 (Relative Density)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- pycnometer method
- Key result
- Type:
- relative density
- Density:
- 0.955 other: dimensionless
- Temp.:
- 20 °C
- Type:
- density
- Density:
- 955 kg/m³
- Temp.:
- 20 °C
- Conclusions:
- The density of the test item was determined to be 955 kg/m3 at 20.0 ± 0.5 °C with a relative density of 0.955.
- Executive summary:
GUIDELINE
The determination was carried out with a gas comparison pycnometer using a procedure designed to be compatible with OECD 109 (02 October 2012) and Method A.3 Relative Density of Commission Regulation (EC) No 440/2008 (30 May 2008).
RESULTS
The density of the test item was determined to be 955 kg/m3 at 20.0 ± 0.5 °C with a relative density of 0.955.
Reference
CALIBRATION
- Pressure readings and the calculated volume for the reference and sample cells are shown in Table 5 (below).
- Mean reference cell volume was calculated as 90.867 cm3
- Mean sample cell volume was calculated as 149.068
- Since the reference cell volume and the sample cell volume were within the defined tolerances (90.953 ± 1.0 cm3 for the reference cell volume and 149.225 ± 1.0 cm3 for the sample cell volume), the gas comparison pycnometer was considered acceptable for use.
Table 5
Determination |
P1 (psig) |
P2 (psig) |
P3 (psig) |
P4 (psig) |
Reference cell volume (cm3) |
Sample cell volume (cm3) |
1 |
17.984 |
6.810 |
17.530 |
8.686 |
90.839 |
149.050 |
2 |
17.367 |
6.577 |
17.418 |
8.630 |
90.893 |
149.116 |
3 |
17.438 |
6.605 |
17.320 |
8.584 |
90.870 |
149.038 |
SAMPLE
- The mass of the vessel, vessel and test item, and the calculated mass of the test item are shown in Table 6 (below).
- Pressure readings obtained for the vessel and vessel containing test item are shown in Table 7 (below).
- Calculated volumes and density obtained are shown in Table 8 (below).
- Overall mean density was determined to be 955 kg/m3
- Relative density was determined to be 0.955
- Temperature was reported as 20.0 ± 0.5 °C
Table 6
Determination |
Mass of vessel (g) |
Mass of vessel and test item (g) |
Mass of test item (g) |
1 |
31.5849 |
61.8983 |
30.3134 |
2 |
31.7787 |
61.8144 |
30.0357 |
Table 7
Determination |
Replicate |
Vessel P1 sample (psig) |
Vessel P2 sample (psig) |
Volume (cm3) |
Vessel and test item P3 sample (psig) |
Vessel and test item P4 sample (psig) |
Volume (cm3) |
1 |
A |
17.500 |
7.049 |
14.3 |
17.218 |
8.068 |
46.0 |
1 |
B |
17.532 |
7.062 |
14.4 |
17.179 |
8.051 |
46.0 |
1 |
C |
17.460 |
7.032 |
14.3 |
17.084 |
8.010 |
46.1 |
2 |
A |
17.490 |
7.047 |
14.4 |
17.256 |
8.076 |
45.8 |
2 |
B |
17.301 |
6.971 |
14.4 |
17.258 |
8.084 |
45.9 |
2 |
C |
17.432 |
7.023 |
14.4 |
17.217 |
8.066 |
46.0 |
Table 8
Determination |
Mean volume of vessel (cm3) |
Mean volume of vessel and test item (cm3) |
Volume of test item (cm3) |
Density (kg/m3) |
1 |
14.3 |
46.1 |
31.7 |
955 |
2 |
14.4 |
45.9 |
31.5 |
954 |
Description of key information
Density of the test item was determined to be 955 kg/m3 at 20.0 ± 0.5 °C with a relative density of 0.955 (OECD 109 and EU Method A.3).
Key value for chemical safety assessment
- Relative density at 20C:
- 0.955
Additional information
The determination was carried out with a gas comparison pycnometer using a procedure designed to be compatible with OECD 109 (02 October 2012) and EU Method A.3 Relative Density of Commission Regulation (EC) No 440/2008 (30 May 2008).
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