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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

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Physical & Chemical properties

Vapour pressure

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vapour pressure
Type of information:
experimental study
Adequacy of study:
key study
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
according to guideline
EU Method A.4 (Vapour Pressure)
Version / remarks:
Cited as Directive 92/69/EEC, A.4
GLP compliance:
Type of method:
effusion method: vapour pressure balance
20 °C
Vapour pressure:
0.474 Pa
25 °C
Vapour pressure:
0.906 Pa

Description of key information

Vapour pressure: 0.474 Pa at 20 °C and 0.906 at 25 °C.

Key value for chemical safety assessment

Vapour pressure:
0.906 Pa
at the temperature of:
25 °C

Additional information

Vapour pressure values of 0.474 Pa at 20 °C and 0.906 at 25 °C were determined by effusion method according to EU Method A.4.