Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

The measured physical chemical properties of phosphorus pentasulphide are shown below. Waivers are proposed for other endpoints based on the reactivity of the substance with water.

Melting point

285 -288 °C

Boiling point

513-515 °C


2.03 -2.09 g/cm3

Vapour pressure

1 mm Hg at 300°C

Auto-ignition temperature

142°C at 760 mm Hg



 Flammability  Highly flammable
 Water solubility  Rapidly decomposes