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EC number: 234-054-3 | CAS number: 10519-11-6
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:
- 04 February 2016 - 05 February 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Guideline 113 (Screening Test for Thermal Stability and Stability in Air)
- Version / remarks:
- 1981
- Deviations:
- no
- GLP compliance:
- no
- Remarks:
- Study was not performed under GLP, however the test facility was GLP-compliant.
- Type of method:
- dynamic method
- Remarks:
- Vapour-liquid equilibrium (VLE)
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0.24 hPa
- Remarks on result:
- other: Calculated by extrapolation of the measured vapour pressure curve
- Temp.:
- 25 °C
- Vapour pressure:
- 0.32 hPa
- Remarks on result:
- other: Calculated by extrapolation of the measured vapour pressure curve
- Temp.:
- 50 °C
- Vapour pressure:
- 1.22 hPa
- Remarks on result:
- other: Calculated by extrapolation of the measured vapour pressure curve
- Conclusions:
- The vapour pressure of the test item was determined to be 0.24, 0.32 and 1.22 hPa at 20, 25 and 50 °C, respectively.
- Executive summary:
Vapour pressure was determined by vapour-liquid equilibrium (dynamic method) according to OECD Guideline 104 and EU Method A.4. The vapour pressure of the test item was determined to be 0.24, 0.32 and 1.22 hPa at 20, 25 and 50 °C, respectively, calculated by extrapolation of the measured vapour pressure curve. The study was not performed under GLP, however the test facility was GLP-compliant. The study is considered to be reliable without restrictions (Klimisch 1).
Reference
Reaction and/or decomposition of the test material was not observed during the test.
Table 1 Vapour pressure results at various temperatures
Temperature (°C) |
Vapour pressure (hPa) |
Condition |
106.1 |
13.5 |
measured up |
131.0 |
28.2 |
measured up |
146.2 |
45.6 |
measured up |
154.0 |
59.6 |
measured up |
161.8 |
74.8 |
measured up |
166.1 |
84.9 |
measured up |
164.0 |
79.8 |
measured down |
159.8 |
69.3 |
measured down |
148.6 |
50.2 |
measured down |
Table 2 Estimated vapour pressures
Temperature (°C) |
Vapour pressure (hPa) |
20 |
0.24 |
25 |
0.32 |
50 |
1.22 |
Description of key information
The vapour pressure of the test item was determined to be 0.24, 0.32 and 1.22 hPa at 20, 25 and 50°C, respectively.
Key value for chemical safety assessment
- Vapour pressure:
- 0.24 hPa
- at the temperature of:
- 20 °C
Additional information
Vapour pressure was determined by vapour-liquid equilibrium (dynamic method) according to OECD Guideline 104 and EU Method A.4. The vapour pressure of the test item was calculated by extrapolation of the measured vapour pressure curve (2016). The study was not performed under GLP, however the test facility was GLP-compliant. The study is considered to be reliable without restrictions (Klimisch 1).
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