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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Decomposition before melting, between 198 - 356 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
349.84 °C

Additional information

At 80 °C there is an endothermic peak related to the loss of water/solvent, followed by an exothermic peak between 198 -356 °C which is similar to a decomposition (onset 259.8 °C, ΔH = -156.9 J/g).

Since the substance decomposes between 198 - 356 °C no melting point can be measured. Therefore the value of melting point is estimated by the use of EpiSuite 4.1 * with the following SMILE code:


*(MPBPVP v1.43) is an application contained in EpiSuite 4.1, the suite of physical/chemical property and environmental fate estimation programs developed by the EPA's Office of Pollution Prevention Toxics and Syracuse Research Corporation (SRC).