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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

Vapour pressure:
1) 13 mbar (25°C, peer-reviewed internet database)
2) 9.4 mm Hg ≙ 12.53 mbar (25°C, handbook data)
3) 11.6 Torr ≙ 15.46 mbar (25°C, QSAR estimation, ACD Labs software v11.02, Authoritative secondary source)

Key value for chemical safety assessment

Vapour pressure:
13 hPa
at the temperature of:
25 °C

Additional information

The key value for chemical safety assessment was chosen as 13 mbar (≙ 13hPa), as this value was derived from a peer-reviewed database, presumably experimental. Further, the other values (from handbook and calculated) differ only slightly, whereby the calculated one clearly indicates that despite its consistency with the other results QSAR estimation is less relevant for this substance.