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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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 reaction mass of dicerium trisulphide and dilanthanum trisulphide was determined to be higher than 400°C in a GLP-compliant study performed according to recognized guidelines (EU Method A.1, OECD 102).

Key value for chemical safety assessment

Additional information

The data obtained on reaction mass of dicerium trisulphide and dilanthanum trisulphide (no melting point up to 400°C) is consistent with the data coming from handbooks for the constituents of the reaction mass (dicerium trisulphide: 2060°C, dilanthanum trisulphide: 2100 - 2110°C).