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Physical & Chemical properties

Vapour pressure

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Administrative data

Link to relevant study record(s)

Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2009-12-04
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
OECD 104, GLP. Study according to relevant guideline.
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Version / remarks:
adopted by the Council 2006
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.4 (Vapour Pressure)
Deviations:
no
Principles of method if other than guideline:
The vapour pressure is determined by measuring the boiling temperature of the substance at various specified pressures between roughly 10 to
approx. 10³ hPa. The apparatus consists of a tube with a boiling section (by electrical heating) in the lower part, a cooler in the middle part, and an
outlet to a pressure regulation system in the upper part. The thermometer is placed in the vapour above the surface of the liquid. The temperature of the vapour is measured as a function of the pressure.
GLP compliance:
yes (incl. QA statement)
Type of method:
dynamic method
Key result
Temp.:
20 °C
Vapour pressure:
0.075 hPa
Remarks on result:
other: The vapour pressure at 20 °C was calculated by mathematical extrapolation using the Antoine equation.
Temp.:
25 °C
Vapour pressure:
0.12 hPa
Remarks on result:
other: The vapour pressure at 25 °C was calculated by mathematical extrapolation using the Antoine equation.

The vapour pressure was measured with the dynamic method: temperature range of 134 °C to 254 °C.

The following table shows the measured vapour pressure at the corresponding temperatures:

 Temperature [°C]  Vapour pressure [hPa]
 134.5  14.7
 149.5  30.2
 168.3  59.8
 193.2  150.0
 215.6  300.2
 233.1  499.0
 241.5  698.3
 254.3  899.6
 230.9  602.0
Conclusions:
The vapour pressure of Isobornyl methacrylate was determined according to OECD guideline 104 [adopted 2006] and EU test method A.4
with the dynamic method.
The vapour pressure was: 0.075 hPa at 20°C
Executive summary:

The vapour pressure of Isobornyl methacrylate was determined according to OECD guideline 104 [adopted 2006] and EU test method A.4 with the dynamic method.

The vapour pressure was: 0.075 hPa at 20°C

NOTE: Any of data in this dataset are disseminated by the European Union on a right-to-know basis and this is not a publication in the same sense as a book or an article in a journal. The right of ownership in any part of this information is reserved by the data owner(s). The use of this information for any other, e.g. commercial purpose is strictly reserved to the data owners and those persons or legal entities having paid the respective access fee for the intended purpose.

Description of key information

0.075 hPa at 20°C (0.12 hPa at 25°C)

Key value for chemical safety assessment

Vapour pressure:
0.075 hPa
at the temperature of:
20 °C

Additional information

Conclusion

The vapor pressure of Isobornyl methacrylate is 0.075 hPa at 20°C and 0.12 hPa at 25°C.