IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Nitromethane with 1,2-Ethanediol, 2-Methoxy-2-methylpropane and Water

   (1) Nitromethane; CH3NO2 ; [75-52-5]  NIST Chemistry WebBook for detail
   (2) 1,2-Ethanediol; C2H6O2 ; [107-21-1]  NIST Chemistry WebBook for detail
   (3) 2-Methoxy-2-methylpropane; C5H12O; [1634-04-4]  NIST Chemistry WebBook for detail
   (4) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Kubicek, V.; Novak, J. P. and Matous, J.; Collect. Czech. Chem. Commun. 58, 983-95 (1993).

   Temperature = 293 K

Prepared By:
   V. P. Sazonov

Experimental Data:   (Notes on the Nomenclature)
Table 1. Compositions of liquid phases at equilibrium
t/°CT/KMass Fraction w1Mass Fraction w2Mass Fraction w3Mole Fraction x1Mole Fraction x2Mole Fraction x3Comment(s)
202930.2070.0540.7280.2600.0670.632nitromethane (ether)-rich phase
202930.3850.0910.5110.4430.1030.407nitromethane (ether)-rich phase
202930.5390.1100.3730.5850.1170.256nitromethane (ether)-rich phase
202930.1880.0370.7620.2360.0460.662nitromethane (ether)-rich phase
202930.4030.0580.5200.4560.0640.407nitromethane (ether)-rich phase
202930.5120.0610.4090.5590.0650.309nitromethane (ether)-rich phase
202930.1650.0120.8040.2060.0150.696nitromethane (ether)-rich phase
202930.3700.0200.5840.4200.0220.459nitromethane (ether)-rich phase
202930.6130.0190.3450.6460.0200.252nitromethane (ether)-rich phase
202930.1620.0050.8120.2020.0060.703nitromethane (ether)-rich phase
202930.3620.0080.6030.4130.0090.476nitromethane (ether)-rich phase
202930.6050.0090.3570.6310.0090.258nitromethane (ether)-rich phase
202930.0760.7380.0790.0620.5950.045water (glycol)-rich phase
202930.1280.6940.0850.1080.5770.050water (glycol)-rich phase
202930.1740.6710.0810.1530.5790.049water (glycol)-rich phase
202930.0550.6810.0590.0380.4590.028water (glycol)-rich phase
202930.0950.6420.0550.0650.4300.026water (glycol)-rich phase
202930.1150.6500.0530.0820.4540.026water (glycol)-rich phase
202930.0370.4310.0370.0170.1960.012water (glycol)-rich phase
202930.0600.4200.0340.0280.1930.011water (glycol)-rich phase
202930.0800.4280.0240.0380.2000.008water (glycol)-rich phase
202930.0350.2270.0230.0130.0830.006water (glycol)-rich phase
202930.0590.2440.0300.0230.0930.008water (glycol)-rich phase
202930.0760.2550.0220.0300.0990.006water (glycol)-rich phase
Table 2. Estimated plait points of the quaternary system
Mass Fraction w1 (compiler) Mass Fraction w2 (compiler)Mass Fraction w3 (compiler)Mole Fraction x1Mole Fraction x2Mole Fraction x3
   Two methods were used. The solubility curve was determined by the titration method. The compositions of liquid phases at equilibrium were determined by the analytical method with the apparatus described in Kubicek et al.1

   Composition: Concentration: ± 0.001 mole fraction.
Source and Purity of Materials:
   (1) Xenon (Poland); dried with sodium and distilled on a packed column with 40 theoretical plates;n(20 °C, D) = 1.3820, ρ(20 °C) = 1138.2 g · L-1.
   (2) Lachema (Czech); not purified; stored over Dusimo S4 molecular sieve and its water content monitored by the Karl Fischer method during the measurement; n(20 °C, D) = 1.4297, ρ(20 °C) = 1109.5 g·L-1.
   (3) Obtained from the Synthetic Rubber Research Institute (Czech); dried with sodium and distilled on a packed column; 0.005 mass % of water by the Karl Fischer analysis; n(20 °C, D) = 1.3688, ρ(20 °C) = 740.3 g·L-1.
   (4) Twice distilled.

Estimated Errors:

   1V. Kubicek, J. Matous, and J. P. Novak, Collect. Czech. Chem. Commun. 57, 2021 (1992).