IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: Xenon with hydrocarbons and Poly(vinyltrimethyl) (PVTMS)

Components:
   (1) Poly(vinyltrimethyl) (PVTMS); ; [25036-32-2]  NIST Chemistry WebBook for detail
   (2) Xenon with hydrocarbons; Xe; [7440-63-3]  NIST Chemistry WebBook for detail

Original Measurements:
   V.V. Volkov, N.S. Nametkin, E.G. Novitskii and S.G. Durgaryan, Vysokomol. Soedin. Ser. A 21, 920-931 (1979).

Variables:
   Temperature = 293 K - 313 K
   Pressure = 0-93 kPa

Prepared By:
   Yu. P. Yampol'skii

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

Solubility coefficients S/(cm³(STP)/cm³ atm) at 298 K and enthalpies of sorption Δ_H kcal/mol
Chemical Name	10² * Keunen coefficient, S	Enthalpy
Xenon	7.1	4.20
Acetylene; C2H2; [74-86-2]	3.3	–
Ethylene; C2H4;[74-85-1]	4.7	4.02
Ethane; C2H6; [74-84-0]	7.0	3.58
Propadiene; C3H4; [463-49-0]	31.5	5.47
Propyne; C3H4; [74-99-7]	30.0	5.64
Propene; C3H6; [115-07-1]	31	5.96
Propane; C3H8; [74-98-6]	40	6.20
n-Butane; C4H10;[106-97-8]	272	–

Method/Apparatus/Procedure:
   A McBain balance with a quartz spring was used in sorption measurement.

Source and Purity of Materials:
   PVTMS synthesized in the presence of BuLi had M_w = 608,000 and M_n = 416,000. All the gases were chromatographically pure.

Estimated Errors:
   Solubility: 10%.