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EC number: 620-056-5 | CAS number: 874195-61-6
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:
- 14 Apr 2010 - 20 Apr 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- GLP compliance:
- yes
- Remarks:
- Hess. Ministerium für Umwelt, Energie, Landwirtschaft und Verbraucherschutz, Mainzer Straße 80, D-65189 Wiesbaden
- Type of method:
- effusion method: vapour pressure balance
- Temp.:
- 20 °C
- Vapour pressure:
- 0 hPa
- Temp.:
- 50 °C
- Vapour pressure:
- 0 Pa
Reference
Results
The vapour pressure was measured in the temperature range of 20 °C to approx. 107 °C. Above 74 °C a reasonable vapour pressure could be measured. The measured vapour pressures at the corresponding temperatures are listed in the following table:
Temperature / °C |
Vapour pressure / hPa |
74.2 |
74.2 |
78.2 |
78.2 |
84.0 |
84.0 |
88.8 |
88.8 |
93.0 |
93.0 |
101.1 |
101.1 |
106.2 |
106.2 |
107.1 |
107.1 |
Extrapolated results
The following vapour pressure values of pure AE 1887196 were extrapolated from the experimental data of the vapour pressure balance (effusion method):
T / °C |
p / hPa |
20 |
6.4 × 10-8 |
50 |
2.9 × 10-6 |
Final equation and Antoine coefficients:
log (p / hPa) = A + B/(C + T [°C])
A = 10.73371
B = -5256.08
C = 273.15
Description of key information
Pure grade: 6.4E-08 hPa at 20 °C and 2.9E-06 hPa at 50 °C
Key value for chemical safety assessment
- Vapour pressure:
- 0 hPa
- at the temperature of:
- 20 °C
Additional information
The vapour pressure of the test item was determined by effusion method (vapour pressure balance) according to OECD Guideline 104.
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