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Physical & Chemical properties

Vapour pressure

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Description of key information

Values at 20C and in Pa:

5.3 (meas)

5 (meas)

4.7 (calc)





0.5 (extrapolated from measured value at 46C.)

Values at 25C:

5.3 (meas)

1.33 (calc)

Key value for chemical safety assessment

Vapour pressure:
0.5 Pa
at the temperature of:
293 K

Additional information

Reasonably consistent values are available from multiple sources, including values at different temperatures. The key parameter retained is from values measured at elevated temperatures using a national guideline method with extrapolation to ambient temperature. This value is 0.5Pa at 25C. Clearly this substance has very low volatility.