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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