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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Viscosity

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Description of key information

Viscocity: 2.1 at 20 °C

Key value for chemical safety assessment

Viscosity:
2.1 mPa · s (dynamic)
at the temperature of:
20 °C

Additional information

n-Vinylpyrrolidinone has a measured viscosity of 2.1 mPa-seconds at 20 °C and 1.7 at 50 °C (BASF 1985). These values are supported by values from several reliable secondary sources that include 1.9 mPa-seconds at 29.9 °C (Atovmyan, E.G., et. al. 1992) and 1.836 mPa-seconds at 65 °C.