1-Vinylpyrrolidin-2-one

1-Vinylpyrrolidin-2-one 1-Ethenylpyrrolidin-2-one; C₆H₉NO = 111.1 (88-12-0)

Content, minimum 99.0%.

Clear colourless liquid.

Water (2.5.12) Maximum 0.1%, determined on 2.5 g. Use as the solvent, a mixture of 50 mL of anhydrous methanol and 10 mL of butyrolactone.

Assay Gas chromatography (2.2.28): use the normalisation procedure.

Column:

— material : fused-silica, — size : l = 30 m, Ø = 0.5 mm, — stationary phase: macrogol 20 000 R.

Carrier gas helium for chromatography.

Temperature:

Detection Flame ionisation.

Inject 0.3 μL of the substance to be examined.

Adjust the flow rate of the carrier gas so that the retention time of the peak corresponding to 1-vinylpyrrolidin-2-one is about 17 minutes.