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Vapour pressure

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Reference
Endpoint:
vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Accepted laboratory method.
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 104 (Vapour Pressure Curve)
Principles of method if other than guideline:
Calculated according Clausius Clapeyron equation from a measured  vapour pressure diagram. Measurement of the boiling range of Ethylhexyl  methacrylate, dynamic method
GLP compliance:
no
Type of method:
other: Calculated according Clausius Clapeyron equation from a measured  vapour pressure diagram
Temp.:
20 °C
Vapour pressure:
0.065 hPa


Vapor pressure curve:

        p (hPa)         T (°C)
        13.3               110.8
        40                 130.9
        66.6               141.9
        133                160.2
        267                181
        400                194.7
        533                204.9
        667                213.1
        800                220.2
        933                226.5
        1067                230

Vapor pressure at 20°C: 0.065 hPa (calculated: according to Clausius  Clapeyron)

Conclusions:
In a valid guideline study the vapor pressure is 0.065 hPa at 20 °C.
Executive summary:

In a valid guideline study the vapor pressure is 0.065 hPa at 20 °C.

Description of key information

The vapour pressure of 2-ethylhexyl methacrylate is reported to be 0.065 hPa at 20 °C (Partheil 1967).

Key value for chemical safety assessment

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

Additional information