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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

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Description of key information

Melting point according to CRC Handbook of Chemistry and Physics, 90th Edition is -31.6°C
Melting point according to The Merck Index, 14th Edition is -38.6°C
Melting point according to EPISuite v4.0 - MPBPVP v1.43 calculation is -27.45°C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
-31.6 °C

Additional information

Three pieces of data have been provided for melting point which are broadly similar. Hence a weight of evidence approach is considered justified.

The CRC Handbook data has been selected as key on the basis that it is close to a mean of the three values.