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EC number: 271-366-9 | CAS number: 68551-17-7
- 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:
- 10 Jan - 11 Jan 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- GLP guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- adopted in 2008
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- adopted in 2006
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- adopted in 1996
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Test Guideline 113 (1981) Screening Test for Thermal Stability and Stability in Air
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Hess. Ministerium für Umwelt, Klimaschutz, Landwirtschaft und Verbraucherschutz, Wiesbaden, Germany
- Type of method:
- dynamic method
- Remarks:
- Extrapolation of measured vapour pressures
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0.85 hPa
- Conclusions:
- 0.85 hPa at 20°C (Dynamic method - extraplolation from measured vapour pressure values, OECD 104).
- Executive summary:
0.85 hPa at 20°C (Dynamic method - extraplolation from measured vapour pressure values, OECD 104).
Reference
Results
Thermal Stability
The test item showed a first exothermic effect in the temperature range
of 150 to 200 °C with an energy of ca. -30 J/g.
Table 1 – Results of the DSC-measurements on thermal stability
Sample weight [mg] |
Start of effect [°C] |
Energy [J/g] |
5.82 |
150 (exothermic) |
-30 |
Dynamic method: Vapour-liquid
equilibrium (VLE)
The vapour pressure was measured in the temperature range of 58.3 to
90.7 °C. The measured vapour pressure values together with the measured
temperatures are listed in Table 2.
Table 2 – Results of the dynamic method
No. |
Temperature [°C] |
Vapour pressure [hPa] |
Remark |
1 |
58.3 |
10.1 |
Measured up |
2 |
67.7 |
19.8 |
|
3 |
74.6 |
29.8 |
|
4 |
81.3 |
39.9 |
|
5 |
86.4 |
49.9 |
|
6 |
90.7 |
59.9 |
|
7 |
88.7 |
55.2 |
Measured down |
8 |
83.9 |
44.9 |
|
9 |
78.0 |
35.0 |
From the measured data point of the
vapour pressure curve, the constants A, B and C of the Antoine equation
log10p = A + B/(C+θ) can be derived by regression (Microsoft
Excel) of the data points to
A = 11.5440
B = - 2817.78
C = 273.15
The vapour pressure of the test item calculated by extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C, according to Regulation EC 440/2008 Method A.4 Vapour Pressure and OECD test guideline 104 (2006) are shown in Table 3.
Table 3 – Calculated vapour pressure values for 20, 25 and 50 °C
Temperature [°C] |
Vapour pressure [hPa] |
20 |
0.85 |
25 |
1.24 |
50 |
6.67 |
Description of key information
The vapour pressure of the substance is 0.85 hPa at 20°C (Dynamic method - extraplolation from measured vapour pressure values, OECD 104).
Key value for chemical safety assessment
- Vapour pressure:
- 0.85 hPa
- at the temperature of:
- 20 °C
Additional information
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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