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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Additional information

See Table 1 below for a summary of the physical and chemical properties of Silicon Nitride. Properties not listed in the table have been waived due to the fact that they are scientifically unjustified or not relevant.

Table 1: Summary of Physical and Chemical Properties of Silicon Nitride

Property

Value

Appearance

Greyish-white powder

Melting/Freezing Point

1900°C

Particle Size Distribution

99% w/w <10 μm

Density

3.15

Water Solubility

<0.3 mg/L