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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Boiling point

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Description of key information

Boiling Point: 218°C at 1013 hPa

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
218 °C

Additional information

n-Vinylpyrrolidinone has a measured boiling point of 218 °C at 1013 hPa (BASF, 1982). This value is supported by values reported in several authoritative secondary sources that include 193 °C at 533 hPa (Lide, 2009), 148 °C at 133 hPa (GESTIS, 2010), and 93 °C at 15 hPa (Lide, 2009), and an estimated value of 219.88 at 1013 hPa (ISP, 2010).