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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Summary of the phys.-chem. key parameters:

Phys.-chem. Property

Key parameter


Appearance/Physical state/Colour

solid white powder

visual examination

Melting point

104 °C

Range: 104 -123 °C

Boiling point

not applicable

substance decomposes before boiling above 380°C

Relative density at 20°C



Vapour pressure at 20°C

< 0.000001 Pa

Partition coefficient at 20°C

Calculated based on individual solubilituies in N-octanol and water: > 3.2 at 20°C.

Estimated with KOWWIN v1.67:

For CAS 7333-86-0: ca. 9.4; For CAS 37437-26-6: ca. 17.1

log Pow

Water solubility at 20°C

< 0.1 mg/L

 solubility in water below analytical detection limit

Solubility in n-octanol at 20°C

171 mg/L


Surface tension at 20°C

71.6 mN/m

determined at 20°C and 90% of saturation concentration


non flammable



not explosive


Oxidizing properties

not oxidizing