IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: 1-Propanol with heptane and Water

   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) 1-Proponal (n-propanol, propyl alcohol, n-propyl alcohol); C3H8O; [71-23-8]  NIST Chemistry WebBook for detail
   (3) Heptane (n-heptane); C7H16; [142-82-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Timofeev, V.S.; Aristovich, V.Yu.; Sabylin, I.I.; Koshel'kov, V.A.; Pavlenko, T.G.; Serafimov, L. A., Izv. Vyssh, Uchebn. Zaved., Khim. Khim. Tekhnol. 18, 1219 (1975).

   Temperature = 348.7 K - 349.5 K

Prepared By:
   A. Skrzecz

Experimental Data:   (Notes on the Nomenclature)
Compositions of coexisting phases
t/°CT/KMass Fraction w1 (compiler) Mass Fraction w2 (compiler)Mole Fraction x1Mole Fraction x2Comment(s)
76.3349.50.06370.93420.1010.888hydrocarbon-rich phase
76.3349.50.33540.13160.1530.036water-rich phase
76.1349.30.07540.92140.1180.865hydrocarbon-rich phase
76.1349.30.33880.19720.1690.059water-rich phase
75.9349.10.09860.89630.1510.823hydrocarbon-rich phase
75.9349.10.37590.18280.1920.056water-rich phase
75.5348.70.11440.87990.1730.798hydrocarbon-rich phase
75.5348.70.41240.19120.2230.062water-rich phase
76.2349.40.40870.52300.4300.330hydrocarbon-rich phase
76.2349.40.40870.5230 (a)0.4300.330water-rich phase
   a  Critical solubility point.

   The method is described in Ref. 1. Data are reported at the boiling point at 101.3 kPa together with liquid-liquid-vapor equilibrium data for the system.

Source and Purity of Materials:
   (1) Source not specified.
   (2) Source not specified.
   (3) Source not specified.

Estimated Errors:
   Solubility: Not reported.
   Temperature: Not reported.

   1 V. A. Koshelkov, T. G. Pavlenko, V. S. Timofeev, and L. A. Serafimov, Uch. Zap. Mosk. Inst. Tonkoi Khim. Tekhnol. 1, 44 (1971).