The corresponding mass percent and mole fraction, x₁, calculated by the compilers are 1.3 × 10^–8 g(1)/100 g sln and 9.5 × 10^–12 assuming a solution density of 1.004 kg/L.

Experimental Data:   (Notes on the Nomenclature)
   Method/Apparatus/Procedure:
   1 L of a 0.5 g/L solution of the hydrocarbon in acetone was distributed over the inside surface of a 1-L round-bottomed flask; the acetone was evaporated with gentle heating. 0.5 L water (or salt water) was added to the dried residue, and the solution was stirred for 6 hr and allowed to settle for 16-18 hr. The upper layer (about 0.3 L) was taken for analysis. The solution was centrifuged twice at 7000 g to remove suspended particles. The hydrocarbon was extracted with benzene and concentrated by evaporation, then purified using thin-layer chromatography. Spectrometric analysis of an octane solution of the hydrocarbon was done using the quasilinear luminescence spectra.

Source and Purity of Materials:
   (1) Not given.

Estimated Errors:
   Solubility: ± 0.008; type of error not specified.
   Temperature: ± 1 °C

References:
   ¹Krasnoschekova, R.Ya; Gubergrits, M.Ya. Neftekhimiya 1973.