Registration Dossier
Registration Dossier
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EC number: 205-521-9 | CAS number: 142-09-6
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Principles of method if other than guideline:
- The measured data were converted to a vapour pressure at 20°C using an Excell based calculation tool.
Calculated according Clausius Clapeyron equation from a measured vapour pressure diagram. - GLP compliance:
- no
- Type of method:
- other: Calculated according Clausius Clapeyron equation from a measured vapour pressure diagram
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0.24 hPa
- Remarks on result:
- other: Calculated according Clausius Clapeyron equation from a measured vapour pressure diagram
- Conclusions:
- A reliable measured vapour pressure calculated according Clausius Clapeyron equation (from a measured vapour pressure diagram) for the test substance is 0.24 hPa at 20 °C.
- Executive summary:
A reliable measured vapour pressure calculated according Clausius Clapeyron equation (from a measured vapour pressure diagram) for the test substance is 0.24 hPa at 20 °C.
Correlation coefficient: 0.9979
Reference
measured values from another study report:
pressure (Torr) temp (°C)
10 89
25 105
50 120.1
100 137.9
200 157.8
300 170.8
400 179.2
500 187.8
600 194.9
750 204.1
Calculated vapor pressure at 20°C according to Clausius Clapeyron:
0.1781 Torr
0.24 hPa
Correlation coefficient: 0.9979
Description of key information
A reliable measured vapour pressure calculated according Clausius Clapeyron equation (from a measured vapour pressure diagram) for the test substance is 0.24 hPa at 20 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 0.24 hPa
- at the temperature of:
- 20 °C
Additional information
A reliable measured vapour pressure calculated according Clausius Clapeyron equation (from a measured vapour pressure diagram) for the test substance is 0.24 hPa at 20 °C.
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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