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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 of UGI is > 600 °C at ca. 1013 mBar. Commercially available UGI have been tested and do not have a  melting point at atmospheric pressure in the temperature range of 25 - 600 °C (OECD 102/ EU Method A.1).
Range of 1550°C to 1850°C
Exxaro TiCor Sul & Chl. Slag 1620 - 1720°C Ex.Chl.
RBM Sulphate & Chloride Slag 1550 - 1670°C RBM Chl.
Namakwa Sulphate Slag 1710°C
Namakwa Chloride Slag 1720°C
Tinfos Sulphate Slag 1650°C
Sorelslag - Sulphate Slag 1620°C
UGS Chloride Slag 1830 - 1850°C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
1 550 °C

Additional information

The melting point of UGI is > 600 °C at ca. 1013 mBar.