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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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.

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