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Vapour pressure

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Description of key information

Measured vapour pressure: 0.0004 hPa at 22.8 °C

Extrapolated vapour pressure: 0.00015 hPa at 20 °C

Key value for chemical safety assessment

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

Additional information

The vapour pressure of 1,4 -Butynediol at 20°C is 0.00015 hPa (BASF AG 2005). This value is supported by other reported values of 0.000741 hPa (SRC, 1992) and 0.0029 hPa (ISP, 2010) at 25°C.

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