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Physical & Chemical properties

Melting point / freezing point

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Description of key information

ca. 56 °C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
56 °C

Additional information

The melting point of 1,4 -Butynediol is approximately 56°C (BASF AG 2000) as similarly reported in a number of reliable, peer reviewed, data sources.