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Physical & Chemical properties

Melting point / freezing point

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Link to relevant study record(s)

Description of key information

The melting point of biphenyl was determined experimentally to be 69.5 °C (342.6 K) using differential scanning calorimetry.  Measurements reported in supporting studies give values ranging from 68-70 °C. 

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
342.6 K

Additional information

A measured melting point value of 342.6 K (69.5 °C) determined in the Key Study by Miller et al.(1984) is consistent with several other reported measured values in the supporting studies/references listed, and with the critically-evaluated and accepted value of 69.05 °C reported in the AIChE DIPPR database (v5.2.2, 2011).