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Physical & Chemical properties

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:
data from handbook or collection of data
Principles of method if other than guideline:
Representation of measuring values according to ANTOINE
GLP compliance:
no
Type of method:
dynamic method
Key result
Temp.:
20 °C
Vapour pressure:
0.23 hPa
Remarks on result:
other: Based on extrapolation of measured values according to ANTOINE
Key result
Temp.:
50 °C
Vapour pressure:
2.17 hPa
Remarks on result:
other: Based on extrapolation of measured values according to ANTOINE
Conclusions:
The vapour pressure of the test item is 0.23 hPa at 20°C, based on extrapolation of measured values according to ANTOINE.

Description of key information

The vapour pressure of crotonic acid is 0.23 - 0.25 hPa at 20°C

Key value for chemical safety assessment

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

Additional information

It was found that the vapour pressure of crotonic acid is 0.23 - 0.25 hPa at 20 °C. For chemical safety assessment the upper end of this range has been chosen.