IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

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 Solubility System: Nitromethane with 1,2-Ethanediol

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Components:
   (1) Nitromethane; CH3NO2; [75-52-5]  NIST Chemistry WebBook for detail
   (2) 1,2-Ethanediol; C2H6O2; [107-21-1]  NIST Chemistry WebBook for detail

Original Measurements:
   Francis, A.W., J. Phys. Chem. 60, 20-7 (1956).

Variables:
   Temperature = 273 K to 313 K

Prepared By:
   V. P. Sazonov

Experimental Data:   (Notes on the Nomenclature)
  

Mutual solubility of nitromethane and 1,2-ethanediol

t/°C	T/K	102 * Mass Fraction w1	Mole Fraction x1 (compiler)	Comment(s)
0.0	273.2	20.0	0.203	Glycol-rich phase
0.0	273.2	97.0	0.970	Nitromethane-rich phase
10.0	283.2	23.0	0.233	Glycol-rich phase
10.0	283.2	96.0	0.961	Nitromethane-rich phase
16.0	289.2	25.0	0.253	Glycol-rich phase
16.0	289.2	95.0	0.951	Nitromethane-rich phase
20.0	293.2	27.0	0.273	Glycol-rich phase
20.0	293.2	94.0	0.941	Nitromethane-rich phase
22.0	295.2	28.0	0.284	Glycol-rich phase
22.0	295.2	94.0	0.941	Nitromethane-rich phase
23.4	296.6	29.0	0.293	Glycol-rich phase
23.4	296.6	93.0	0.931	Nitromethane-rich phase
26.0	299.2	30.0	0.303	Glycol-rich phase
26.0	299.2	92.0	0.921	Nitromethane-rich phase
28.0	301.2	32.0	0.324	Glycol-rich phase
28.0	301.2	91.0	0.911	Nitromethane-rich phase
29.0	302.2	31.0	0.314	Glycol-rich phase
29.0	302.2	90.0	0.901	Nitromethane-rich phase
35.0	308.2	40.0	0.404	Glycol-rich phase
35.0	308.2	82.0	0.822	Nitromethane-rich phase
39.7	312.9	62.0	0.624	Glycol-rich phase
39.7	312.9	62.0	0.624 (UCST)	Nitromethane-rich phase

Method/Apparatus/Procedure:
   Observations were made after vigorous shaking in glass-stoppered 15 mL graduated tubes, immersed in water baths in large Dewar flasks. Water was agitated with a rapid stream of air bubbles. Temperature was adjusted by adding cooler or warmer water occasionally.

Source and Purity of Materials:
   (1) Eastman Kodak Co.; distilled with 30 cm column; b. p. = 101.25 °C, m. p. = -30.5 °C, n(20 °C, D) = 1.3820, d(25 °C) = 1129.8 g·L^-1.
   (2) Source not specified; purified by crystallization; m. p. = -13.3 °C, n(20 °C, D) = 1.4315,d(20 °C) = 1110.1 g·L^-1.

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

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Last updated: February 18, 2015 (Created: August 17, 2007)