IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: 1,5-Dimethylnaphthalene with Water

   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) 1,5-Dimethylnaphthalene; C12H12; [571-61-9]  NIST Chemistry WebBook for detail

Original Measurements:
   Eganhouse, R.P.; Calder, J.A., Geochim. Cosmochim. Acta 1976, 40, 555-61.

   Temperature = 25 °C

Prepared By:
   A. Maczynski

Experimental Remarks:

   The solubility of 1.5-dimethylnaphthalene in water at 25°C was reported to be 2.74 mg(1)/kg(2) and 1.8 × 10–5 mol(1) dm–3(2).

The corresponding mass percent and mole fraction, x1, calculated by the compiler are 2.74 × 10–4 g(1)/100 g sln and 8.70 × 10–7.

Experimental Data:   (Notes on the Nomenclature)
   A mixture of 500 mL (2) and 0.001 mol (1) was equilibrated in an Erlenmeyer flask for 12 h (agitation) + 24 h (stationary). The saturated solution, 100 mL, was extracted with hexane, concentrated by evaporation under nitrogen and analyzed by glc. A 5700 A Hewlett-Packard instrument equipped with dual compensating columns and flame ionization detectors was employed.

Source and Purity of Materials:
   (1) source not specified; analytical grade; used as received; no impurities by glc.
   (2) doubly distilled; free of trace organics.

Estimated Errors:
   Solubility: ± 0.1 mg(1)/kg(2) (from eight determinations)
   Temperature: ± 0.5°C