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EC number: 227-231-1 | CAS number: 5726-19-2
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:
- May 17, 2012
- 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
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: by loss of weight or by trapping vaporisate
- Remarks:
- (Knudsen cell)
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 134 Pa
- Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 216 Pa
- Conclusions:
- The vapour pressure of 2-methylcyclohexyl acetate was determined to be 134 Pa at 20 ºC and 216 Pa at 25 ºC.
- Executive summary:
The study of vapour pressure using effusion method was performed in accordance with the method EEC A4 (Knudsen cell). The vapour pressure of 2-methylcyclohexyl acetate was determined to be 134 Pa at 20 ºC and 216 Pa at 25 ºC.
Reference
Vapour pressure of 2-methylcyclohexyl acetate at 20 °C and 25 °C was calculated on the basis of equation log (P) = f (1/t) = a-b/(t+273.15) where P – vapour pressure in Pa, t – temperature in °C, obtained for five measurement points: 21.40, 23.00, 24.50, 26.00 and 28.70 °C.
The calculated values were:
Temperature (ºC) |
Vapour pressure (Pa) |
20 |
134 |
25 |
216 |
Description of key information
Key study: Test method EEC A.4. GLP study. The vapour pressure of 2-methylcyclohexyl acetate was determined to be 134 Pa at 20 ºC and 216 Pa at 25 ºC.
Key value for chemical safety assessment
- Vapour pressure:
- 134 Pa
- at the temperature of:
- 20 °C
Additional information
Key study: The study of vapour pressure using effusion method was performed in accordance with the method EEC A.4. (Knudsen cell). The vapour pressure of 2-methylcyclohexyl acetate was determined to be 134 Pa at 20 ºC and 216 Pa at 25 ºC.
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