Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

At ambient temperature and pressure 1,2,3,4-tetrahydronaphthalene is an organic clear colourless liquid with an odour like naphthalene.

Melting point: -35.80 °C at atmospheric pressure

Boiling point: 207.57 (1013.25 hPa)

Relative Density: 0.9702 (20 °C); 0.9662 (25 °C)

Particle size distribution: Not applicable

Vapour pressure: 0.34 hPa (20 °C); 0.50 hPa (25 °C)

Partition coefficient 1-octanol/water: log Kow = 3.78 (23 °C)

Water solubility: 45.0 ± 0.4 mg/l at 20 +/- 0.2 °C

Surface activity is not a desired property.

Flash point: 71 to 82 °C

Self-ignition temperature: 385 °C (atmospheric pressure)

There are no chemical groups associated with explosive or oxidising properties present in the molecule.

The stability of the substance is not considered to be critical.

No significant dissociation is expected at environmental or physiological pH values and beyond.

Dynamic viscosity: 2.2 mPa s (20 °C); 2.0 mPa s (25 °C)