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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

After a review of the available data on ammonium fluoride, key information on physical and chemical properties has been summarized in the table below.

Property

Results

Appearance/Physical state/Colour (@ 20°C; 1013 hPa)

Inorganic

Solid

Crystalline form

White to colourless

Odourless

Melting point/Freezing point

Ammonium fluoride decomposes at circa 100°C before reaching its melting point according to the following reaction:

2 NH4F (crystalline) --> NH4HF2 (crystalline) + NH3 (gas)

Boiling point

Substance decomposes before boiling (cf. melting/freezing point)

Density

1.009 g/cm³ @ 25°C

Particle size distribution (Granulometry)

Water solubility

835 g/L H2O at 25°C