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Physical & Chemical properties

Melting point / freezing point

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Description of key information

 -18.7, -18.8, -19, -44C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
254 K

Additional information

A number of measured values are available for the melting point. Three are very similar and it is unclear whether these are slightly imprecise reporting of the same original experimental value. Another significantly different value is available from a secondary source. The known measured value is used for the key parameter, rounded to a whole number.