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Physical & Chemical properties

Endpoint summary

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Description of key information

Additional information

Summary of the phys.-chem. key parameters:

Phys.-chem. Property Key parameter Remarks
Appearance/Physical state/Colour white, crystalline solid  
Melting point 268°C decomposition
Boiling point not applicable substance decomposes on melting
Density at 20°C

1.34 g/cm³

Granulometry (d50) = 49.5 ± 6.4 µm Median particle diameter
Vapour pressure at 20°C <0.001 Pa
Partition coefficient at 20°C -0.14 log Pow
Water solubility at 20°C / pH 11.4 >1000 g/L  
Autoflammability > 403°C No self-ignition observed up to the maximum test temperature of 403 °C.
Flammability non flammable  
Explosiveness not explosive  
Oxidizing properties not oxidizing  
Dissociation constant at 20 °C pKa = 8.4  pKa measured for corresponding acid and related to dissociation of hydroxylic function