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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Description of key information

Melting point: 10°C at 1013 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
10 °C

Additional information

The weight of evidence from authoritative secondary sources indicates that the melting point of 1,4 -Butenediol is 10.0 °C at 101.325 kPa (GESTIS, 2010; Grafje et al. 2002). Additonal values from reliable, authoritative secondary sources range from 7 to 8.82°C at 101.325 kPa. These values are supported by read-across of melting point values from similar substances cited in a reliable, authoritative secondary source, ranging from 2 to 25 °C at 101.325 kPa.