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EC number: 853-587-8 | CAS number: 199387-97-8
- 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
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2022-01-17 to 2022-04-04
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- 1996
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: Knudsen cell
- Key result
- Test no.:
- #1
- Temp.:
- 20 °C
- Vapour pressure:
- 0.004 Pa
- Remarks on result:
- other: Estimated result < 4.4E-03 Pa
- Test no.:
- #2
- Temp.:
- 25 °C
- Vapour pressure:
- 0.004 Pa
- Remarks on result:
- other: Estimated result < 4.4E-03 Pa
- Test no.:
- #3
- Temp.:
- 50 °C
- Vapour pressure:
- 0.004 Pa
- Remarks on result:
- other: Estimated result < 4.4E-03 Pa
- Conclusions:
- The vapour pressure of the test item was estimated to be:
20 °C: < 4.4E-03 Pa
25 °C: < 4.4E-03 Pa
50 °C: < 4.4 E-03 Pa - Executive summary:
In an experimental GLP study according to EU Method A.4. and OECD Test Guideline 104, the vapour pressure of the test item was estimated for the temperatures 20, 25 and 50 °C to be
20 °C: < 4.4E-03 Pa
25 °C: < 4.4E-03 Pa
50 °C: < 4.4 E-03 Pa
Reference
Thermal stability (DSC)
In the temperature range of 160 – 170 °C a first endothermic effect was observed. In the temperature range of 180 – 220 °C a second endothermic effect was observed. The test was terminated at 300 °C. The results of the DSC measurement are summarized in Table 1.
Table 1: Results of the DSC measurement
Measurement | Crucible/atmosphere | Sample weight [mg] | Start [°C] | Energy [J/g] |
1 | Glass/air | 6.03 | 160 (endothermic) 180 (endothermic) | +10
+200 |
Effusion method: Knudsen cell
The vapour pressure was measured in the temperature range of approx. 15 to 85 °C. The measured vapour pressure values together with the measured temperatures are listed in Table 2.
Table 2: Results of the effusion method
No. | Temperature [°C] | Vapour pressure [Pa] |
1 | 14.5 | 3.4 x 10-3 |
2 | 19.5 | 4.4 x 10-3 |
3 | 24.5 | 1.5 x 10-3 |
4 | 29.5 | 1.9 x 10-3 |
5 | 34.5 | 1.8 x 10-3 |
6 | 39.4 | 1.1 x 10-3 |
7 | 44.5 | 4.3 x 10-3 |
8 | 54.5 | 4.3 x 10-3 |
9 | 64.4 | 2.8 x 10-3 |
10 | 74.4 | 1.4 x 10-3 |
11 | 84.4 | 7.8 x 10-4 |
Due to the fact that the test item showed no proper linear correlation of the vapour pressure against the inverse temperature 1/T, the Antoine constants could not be evaluated in the measured temperature range. Therefore, the vapour pressure was estimated according to the measured vapour pressures.
The test item showed no evaluable vapour pressure curve in the temperature range of 15 to 85 °C. Due to this result, the vapour pressures for the temperatures 20, 25 and 50 °C are estimated on the basis of the maximum measured vapour pressures (Table 3).
Table 3: Calculated vapour pressures
Temperature [°C] | Vapour pressure [Pa] |
20 | < 4.4 x 10-3 |
25 | < 4.4 x 10-3 |
50 | < 4.4 x 10-3 |
Description of key information
In an experimental GLP study according to EU Method A.4. and OECD Test Guideline 104, the vapour pressure of the test item was estimated for the temperatures 20, 25 and 50 °C to be
20 °C: < 4.4E-03 Pa
25 °C: < 4.4E-03 Pa
50 °C: < 4.4 E-03 Pa
Key value for chemical safety assessment
- Vapour pressure:
- 0.004 Pa
- at the temperature of:
- 20 °C
Additional information
No linear vapour pressure curve in the temperature range of 15 to 85 °C determined, therfore the maximum measured vapour pressures are considere.
Estimated vapour pressure < 0.0044 Pa
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