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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

The vapor pressure of PBSF is 125 mm Hg (16.6 kPa) at 20.0 °C

Key value for chemical safety assessment

Additional information

The key study is classified as reliable with restrictions as it is unknown whether is follows an OECD, ISO or ASTM method as well as its compliance with GLP standards. In another study, vapor pressure was determined to be 107 Torr (14.3 kPa) which supports the key study results. It is unknown whether the supporting study follows an OECD, ISO or ASTM method and is not compliant with USEPA GLP standards. The key study is the preferred value due to the supporting study's lesser degree of agreement of experimental data as well as inclusion of literature boiling point data into the vapor pressure regression.