Registration Dossier

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Disflamoll DPK is a clear, transparent liquid. It is a multi component substance which contains diphenyl tolyl phosphate as the major component (42 -47%). Data is available for both Disflammol DPK and for the major constituent (diphenyl tolyl phosphate).

Disflamoll DPK has a melting point between -45 and -35 °C and a boiling point of >224 °C. The vapour pressure is reported to be <0.01 hPa at 41 °C. Disflammol DPK is slightly soluble in water (0.0026 g/L) and has a partition coefficient of 4.5 (logPow). It has a flash point of >500  °C and is non-flammable.

The major component, diphenyl tolyl phosphate is a colourless liquid with a melting and boiling point of -38 °C

and 390 °C respectively. The vapour pressure is reported to be 1.0 x 106hPa at 41°C. Diphenyl tolyl phosphate is slightly soluble in water (2.4 -2.6 mg/L) and has a partition coefficient of 4.5 (logPow). It has a flash point of >242 °C and is non-flammable.