IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Ethene with 1-Methyl-2-pyrrolidinone, (N-methylpyrrolidinone)

Components:
   (1) 1-Methyl-2-pyrrolidinone, (N-methylpyrrolidinone); C5H9NO; [872-50-4]  NIST Chemistry WebBook for detail
   (2) Ethene; C2H4; [74-85-1]  NIST Chemistry WebBook for detail

Original Measurements:
   Shakhova, S.F.; Zubchenko, Yu P.; Rezina, O.A., Khim. Prom., 1973, 49, 271-2.

Variables:
   Temperature = 298.15 K to 343.15 K
   Pressure = 0.37 to 9.46 MPa

Prepared By:
   C.L. Young

Experimental Data:   (Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)


T/K	Pressure [bar]	α [vol/vol]	α Note	Mole Fraction (x₁)	x₁ Note
298.15	3.75	6.52	†	0.0274	In liquid
298.15	5.78	9.83	†	0.0407	In liquid
298.15	6.38	11.5	†	0.0473	In liquid
298.15	8.00	14.7	†	0.0596	In liquid
298.15	10.54	19.2	†	0.0765	In liquid
298.15	14.89	27.9	†	0.1074	In liquid
298.15	18.64	37.2	†	0.1383	In liquid
298.15	25.53	49.1	†	0.1748	In liquid
298.15	47.32	96.2	†	0.2933	In liquid
298.15	56.44	127.4	†	0.3546	In liquid
298.15	63.94	149.4	†	0.3919	In liquid
298.15	64.75	162.1	†	0.4115	In liquid
323.15	3.85	5.08	†	0.0214	In liquid
323.15	6.08	8.21	†	0.0342	In liquid
323.15	6.79	9.18	†	0.0381	In liquid
323.15	10.94	14.7	†	0.0596	In liquid
323.15	18.14	24.9	†	0.0970	In liquid
323.15	24.01	33.1	†	0.1249	In liquid
323.15	25.53	35.6	†	0.1331	In liquid
323.15	27.46	41.1	†	0.1506	In liquid
323.15	38.81	56.6	†	0.1962	In liquid
323.15	50.36	74.3	†	0.2427	In liquid
323.15	51.98	75.7	†	0.2462	In liquid
323.15	73.06	104.3	†	0.3103	In liquid
323.15	83.39	133.2	†	0.3649	In liquid
343.15	5.78	6.24	†	0.0262	In liquid
343.15	8.71	9.57	†	0.0396	In liquid
343.15	13.37	14.3	†	0.0581	In liquid
343.15	30.40	34.7	†	0.1302	In liquid
343.15	53.80	60.4	†	0.2067	In liquid
343.15	86.84	108.6	†	0.3190	In liquid
343.15	94.64	118.9	†	0.3390	In liquid

Notes:
^† quoted in original paper, appears to be volume of gas at T/K = 273.15 and P = 1 atmosphere adsorbed by unit volume of liquid at room temperature.

Method/Apparatus/Procedure:
Mixture stirred by ball in rocking autoclave. Samples of liquid analysed by a volumetric method. Details in Ref. 1.

Henry's constants were listed as follows:
   t/c   H/atm mole fraction^–1
   25         135
   50         174
   70         208

Source and Purity of Materials:
   1. Purity 99.97 mole per cent.
   2. Distilled, no other details give.

Estimated Errors:
   Solubility: δx_C₂H₄ = ± 5% (estimated by compiler)
   Temperature: δT/K = ± 0.1 (estimated by compiler)
   Pressure: δP/bar = ± 0.1 (estimated by compiler)

References:
   1. Shakhova, S. F.; Zubchenko, Yu. P.; Kaplan, L. K., Khim. Prom. 1973, 5, 108