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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Vapour pressure

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Description of key information

Vapour pressure: 0.0087 hPa at 25°C 

Key value for chemical safety assessment

Vapour pressure:
0.009 hPa
at the temperature of:
25 °C

Additional information

The weight of evidence from authoritative secondary sources indicates that 1,4 -Butenediol has a vapour pressure of 0.00715 hPa (MpBpWIN 1.43 Estimate 2010) to 0.0087 hPa (Daubert et al. 1989) at 25 °C. Additional vapour pressure values for 1,4 -Butenediol from reliable sources and read-accross methods include 0.0616hPa at 25 °C (Japan CHRIP Database), 2.1 hPa at 99 °C (BASF AG 1969), 1.5hPa at 60 °C (GESTIS 2010), and 0.1 hPa at 44 °C (Read across - CRC 2010).