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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Link to relevant study record(s)

Description of key information

- decomposition >250°C, no melting point; OECD Guideline 102; RL1; GLP

- CRC handbook of chemistry and physics the melting point: 235°C.

Key value for chemical safety assessment

Additional information

In the GLP-compliant study conducted according to OECD guideline 102 the final DSC measurements were performed in the temperature range from 20 - 340 °C.

Two  endothermic  peaks  could  be  observed  (peak  maxima:  109  °C/242  °C  [first  run]  resp.  109  °C/ 240 °C [second run]). These two peaks correlate with maxima observed during the thermogravimetric measurement.  Upon  further  heating  the  DSC-curve  showed  no  more  sharp  peaks  but  the  typical fluctuating course of decomposition. Thus, no melting point could be detected, the substance decomposes.