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Physical & Chemical properties

Melting point / freezing point

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Description of key information

Melting point: -44 to -42 °C at 1013 hPa

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
229 K

Additional information

The melting point of γ-butyrolactone is in the range of -44 to -42 °C as reported in a number of reliable, peer reviewed, data sources. Although no specific information is provided regarding atmospheric pressure, results for this endpoint are typically reported at standard pressure (101.325 kPa).