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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The melting point range is between 1050 °C and 1200 °C (OECD 102).

Key value for chemical safety assessment

Additional information

The value of the melting range is based on the measurements of the sample P.1034, which is taken from the plant of Holcim in Dotternhausen (Germany). The additional endothermic peaks of the SDTA signal are associated with the decomposition of portlandite/lime (between 400 °C and 500 °C) as well as decomposition of carbonates (between 700 °C and 800 °C).