IUPAC-NIST Solubility Database
NIST Standard Reference Database 106


Glass Ball as Bullet Solubility System: Decane with Water

Components:
   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) Decane; C10H22; [124-18-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Schatzberg, P., J. Phys. Chem. 1963, 67, 776-9.

Variables:
   Temperature = 25 °C - 40 °C

Prepared By:
   M.C. Haulait-Pirson

Experimental Data:   (Notes on the Nomenclature)
  
Solubility of water in decane
t/°C103 * g2/kgg2/kg NoteMole Fraction x2
2572a5.7 x 10-4
40136b10.7 x 10-4
Notes:
   Table 3  a,b  See "Estimated error"

Method/Apparatus/Procedure:
   (1) was saturated by storing over a layer of (2) in a brown glass bottle without any agitation. The bottle was sealed with serum cap and completely submerged in the water-bath for 7 days. A 20-mL sample was withdrawn with a silicone-hydrophobized hypodermic syringe. Stabilized Karl Fischer reagent diluted to a titer of 1.0-1.3 mg (2)/mL was used to titrate (2) in (1) directly in the presence on methanol to a "dead-stop" end-point using a Beckman KF3 automatic titrimeter.

Source and Purity of Materials:
   (1) Phillips petroleum Co.; research grade; 99.43 mole%; passed repeatedly through a column of silica gel until no absorption occurred in the 220 to 340 nm spectral range.
   (2) distilled and deionized.

Estimated Errors:
   Solubility: a) 0-6%; b0 0-2% (deviations from the mean)
   Temperature: ± 0.02°C