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Physical & Chemical properties

Melting point / freezing point

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Description of key information

The melting/freezing point of ethanethiol is -144.4˚C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-144.4 °C

Additional information

The key result, with a reported melting/freezing point of -144.4 °C, is taken from the WHO IPCS International Chemical Safety Card (ICSC 0470, 2004). No information on the primary source of these data or the methods used is available. However, this information is taken from an internationally peer-reviewed chemical safety card and can be considered reliable and suitable for use as the key study for this endpoint. The key study is supported by Lide (2009), which gives a melting point value of -147.88˚C.