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Physical & Chemical properties

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Administrative data

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Additional information

Appearance: organic, white compact solid, having the odour characteristic of aromatic compounds

Melting point: 31.9 °C

Boiling point: 290.6 °C at 1013 hPa

Density: 1191.09 Kg/m3 at 40.0°C

Vapour pressure: 0.17 Pa at 20°C and 0.31 Pa at 25°C.

Partition coefficient (Log Pow): 1.59 (anhydride); -0.31 (acid)

Water solubility (acid): 4.2 g/L at 20°C and pH 2.9

Flash point: 152°C

Autoflammability: not flammable

Flammability: Not flammable

Explosivity: not explosive

Oxidising properties: not oxidising

Dissociation constants (acid): pKa1= 4.14 and pKa2= 6.52 at 20°C