Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Appearance/physical state/colour

White, odorless granules or crystalline powder; sweetish, astringent taste.

Melting point

436

Boiling point

Decomposed between 450-475without boiling point.

Relative density

1.5

Particle size distribution

There are virtually no particles with size of lower than 100 micrometers (1.3% <125 micrometers).

Vapour pressure

Study waived due to high melting point.

Partition coefficient

Log Pow = 1.88 (based on benzoic acid)

Water solubility

556 g/L

Solubility in organic solvents

13.3 g/L (ALC)

Surface tension

72.9 mN/m (1 g/L, 20)

Flash point

Endpoint waived as the substance is a solid.

Auto flammability

Endpoint waived due to high melting point.

Flammability

Flammability on contact with water: negative

Pyrophoricity: negative

Explosiveness

Non explosive

Oxidising properties

No oxidising properties

Stability in organic solvents

Endpoint waived as stability in organic solvents is not considered critical.

pH

8

Dissociation constant

4.03 (pKa) of benzoic acid

Viscosity

Endpoint waived as the substance is a solid.