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Physical & Chemical properties

Vapour pressure

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Description of key information

Vapour Pressure: 0.344 hPa at 20 °C

Key value for chemical safety assessment

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

Additional information

The vapor pressure of γ-Butyrolactone has been extrapolated from measured values and found to be 0.344 hPa at 20 °C (BASF, 1986). This value is supported by a number of values from reliable secondary sources ranging from 0.4 hPa to 0.9 hPa at 20 °C, 1 hPa at 24 °C , and 0.6 hPa at 25 °C.