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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Vapour pressure

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Administrative data

Link to relevant study record(s)

vapour pressure
Data waiving:
study scientifically not necessary / other information available
Justification for data waiving:
the study does not need to be conducted because the melting point is above 300°C

Description of key information

Substance decomposes before melting; calculated melting point lies above 300°C; hence vapour pressure is negligible.

Key value for chemical safety assessment

Vapour pressure:
0 kPa
at the temperature of:
25 °C

Additional information

Substance decomposes before melting

------------------------ SUMMARY MPBPWIN v1.43 --------------------

Boiling Point: 1919.42 deg C (Adapted Stein and Brown Method)

Melting Point: 349.84 deg C (Adapted Joback Method)

Melting Point: 349.84 deg C (Gold and Ogle Method)

Mean Melt Pt : 349.84 deg C (Joback; Gold,Ogle Methods)

Selected MP: 349.84 deg C (Weighted Value)

Vapor Pressure Estimations (25 deg C):

(Using BP: 1919.42 deg C (estimated))

(Using MP: 349.84 deg C (estimated))

VP: 0 mm Hg (Antoine Method)

: 0 Pa (Antoine Method)

VP: 3.94E-061 mm Hg (Modified Grain Method)

: 0 Pa (Modified Grain Method)

VP: 8.2E-053 mm Hg (Mackay Method)

: 0 Pa (Mackay Method)

Selected VP: 0 mm Hg (Modified Grain Method)

: 0 Pa (Modified Grain Method)

Subcooled liquid VP: 0 mm Hg (25 deg C, Mod-Grain method)

: 0 Pa (25 deg C, Mod-Grain method)