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Vapour pressure

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Description of key information

Vapour pressure: 0.00021 hPa at 20°C, 0.00045 hPa at 25°C and 0.015 hPa at 50°C. 

Key value for chemical safety assessment

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

Additional information

Vapour pressure has been investigated using an effusion method in accordance with OECD/EU test methods and determined to be: 2.1 e-4 hPa at 20°C, 4.5 e-4 hPa at 25°C and 1.5 e-2 hPa at 50°C.


Estimation using Q(S)AR methods gave an estimated value of 7.8 e-4 hPa at 25°C, a reasonable correlation with the measured value.