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EC number: - | CAS number: -
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:
- 2019-01-29 to 2019-03-20
- 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
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: vapour pressure balance
- Temp.:
- 25 °C
- Vapour pressure:
- 0.027 Pa
- Temp.:
- 20 °C
- Vapour pressure:
- 0.019 Pa
- Conclusions:
- The vapour pressure of the test item was calculated by interpolation and extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C:
Vapour Pressure (20°C) : 1.9E-2 Pa
Vapour Pressure (25°C) : 2.7E-2 Pa
Vapour Pressure (50°C) : 1.3E-1 Pa - Executive summary:
The vapour pressure of the test item was calculated by interpolation and extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C, according to GLP, EU method A.4 and OECD guideline 104. The values are as shown below:
Vapour Pressure (20°C) : 1.9E-2 Pa
Vapour Pressure (25°C) : 2.7E-2 Pa
Vapour Pressure (50°C) : 1.3E-1 Pa
Reference
The vapour pressure was measured in the temperature range of 42 °C to 68 °C. The measured vapour pressure values together with the measured temperatures are listed in the following table:
| No. | Temperature / °C | Vapour Pressure / Pa |
| 1 | 42 | 8.01E-2 |
| 2 | 48 | 1.13E-1 |
| 3 | 53 | 1.62E-1 |
| 4 | 58 | 2.23E-1 |
| 5 | 63 | 2.76E-1 |
| 6 | 63 | 3.43E-1 |
The vapour pressure of the test item calculated by interpolation and extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C, according to Regulation EC No. 440/2008 Method A.4.Vapour pressure and OECD Test Guideline 104 (2006):
| Temperature / °C | Vapour Pressure / Pa |
| 20 | 1.9E-2 |
| 25 | 2.7E-2 |
| 50 | 1.3E-1 |
Description of key information
The vapour pressure of the test item was calculated by interpolation and extrapolation of the measured vapour pressure curve for the temperatures 20, 25 and 50 °C, according to GLP, EU method A.4 and OECD guideline 104. The values are as shown below:
Vapour Pressure (20°C) : 1.9E-2 Pa
Vapour Pressure (25°C) : 2.7E-2 Pa
Vapour Pressure (50°C) : 1.3E-1 Pa
Key value for chemical safety assessment
- Vapour pressure:
- 0.027 Pa
- at the temperature of:
- 25 °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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
