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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The melting point of the substance is reported to be -10.2 °C at ambient pressure.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-10.2 °C

Additional information

A literature review and a study were conducted. In a weight of evidence approach the literature values were evaluated. The Hazardous Substances Data Bank (HSDB) and REAXYS ( Ikada; Journal of Physical Chemistry) reported the melting point of thiodiglycol to be -10.2°C at ambient pressure. The GESTIS database reported the melting point to be -16 °C at 103 hPa

and the Handbuch der gefährlichen Güter (Hommel) reported the melting point to be -18°C at ambient pressure.

Thus, a melting point of -10.2 °C at 1013.25 hPa from REAXYS (Ikada; Journal of Physical Chemistry ) which is a peer reviewed database was chosen as key value for the melting point.