IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: 1,6-Heptadiyne with Water

   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) 1,6-Heptadiyne; C7H8; [2396-63-6]  NIST Chemistry WebBook for detail

Original Measurements:
   McAuliffe, C., J. Phys. Chem. 1966, 70, 1267-75.

   Temperature = One temperature: 25 °C

Prepared By:
   A. Maczynski, Z. Maczynska, and A. Szafranski

Experimental Remarks:

   The solubility of 1,6-heptadiyne in water at 25°C was reported to be 1650 g(1)/106 g(2).
The corresponding mass percent and mole fraction, x1, calculated by the compilers are 0.1650 g(1)/100 g sln and 3.23 x 10-4.

Experimental Data:   (Notes on the Nomenclature)
   In a 250 mL glass bottle, 10-20 mL of (1) was vigorously shaken for 1 hr or magnetically stirred for 1 day, with 200 mL of (2) at 25 °C.The bottle was set aside for 2 days to allow droplets of undissolved (1) to separate. Absence of emulsion was checked microscopically. A sample of the hydrocarbon-saturated water was withdrawn with a Hamilton Syringe and gas liquid chromatograph in conjunction with a flame ionization detector.

Source and Purity of Materials:
   (1) Phillips Petroleum or Columbia Chemical; used as received.
   (2) distilled.

Estimated Errors:
   Solubility: 25 g (1)/106 g(2) (standard deviation of mean)
   Temperature: ± 1.5 K