Registration Dossier

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

Remarks

Appearance/Physical state/Colour

white, crystalline solid

 

Melting point

143°C

Range: 143-174°C

Boiling point

not applicable

substance decomposes before boiling at ca. 290°C

Relative density at 20°C

1.35

 

Vapour pressure at 20°C

0.000000001 Pa

Partition coefficient at 20°C

-0.57

log Pow, pH 6.8

Water solubility at 20°C

1.4 g/L

 Determined as critical micelle concentration

Solubility in n-octanol at 20°C

0.38 g/L

 

Surface tension at 20°C

30.3 mN/m

c = 1000 mg/L

Autoflammability

> 401 °C

No self-ignition observed up to the maximum test temperature of 401 °C.

Flammability

non flammable

 

Explosiveness

not explosive

 

Oxidizing properties

not oxidizing

 

Dissociation constant at 20 °C

pKa = 3.59

 pKa estimated by calculation related to dissociation of carboxylic function