Registration Dossier

Data platform availability banner - registered substances factsheets

Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Vapour pressure

Currently viewing:

Administrative data

Link to relevant study record(s)

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.