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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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


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Administrative data

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Description of key information

The relative density of Silicon Nitride was found to be 3.15 at 20°C relative to the density of water at 4°C

Key value for chemical safety assessment

Relative density at 20C:

Additional information

A study was undertaken (Huntingdon Life Sciences, 2012) to determine the relative density of Silicon Nitride. The study was carried out according to international guidelines (OECD method 109, EC Method A3) and to GLP. The relative density was found to be 3.15.