Registration Dossier

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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Endpoint summary

Administrative data

Description of key information

Zirconium disilicide is a non-flammable (according to UN GHS Rev. 6 criteria), grey solid powder with a relative density of 4.88 g/cm³. The substance shows no self-ignition up to a temperature of 400 °C and is highly insoluble in water (no exact value determined because solubility is below the method detection limit). The melting point of the inorganic substance is 1620 °C. The mean diameter of the ZrSi2 particles (D50 value) is 80.59 µm.

Additional information