IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

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 Solubility System: Nitromethane with Heptane

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Components:
   (1) Nitromethane; CH3NO2; [75-52-5]  NIST Chemistry WebBook for detail
   (2) Heptane; C7H16; [142-82-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Sazonov, V.P., Zh. Obshch. Khim. 59, 2431-5 (1989).

Variables:
   Temperature = 313 K and 382 K

Prepared By:
   V. P. Sazonov and N. V. Sazonov

Experimental Data:   (Notes on the Nomenclature)
  

Mutual solubility of nitromethane and heptane

t/°C	T/K	102 * Mass Fraction w1	Mole Fraction x1 (compiler)	Comment(s)
40.1	313.3	-	-	Hydrocarbon-rich phase
40.1	313.3	95.0	0.969	Nitromethane-rich phase
45.0	318.2	5.0	0.080	Hydrocarbon-rich phase
45.0	318.2	-	-	Nitromethane-rich phase
69.6	342.8	10.0	0.154	Hydrocarbon-rich phase
69.6	342.8	-	-	Nitromethane-rich phase
74.0	347.2	-	-	Hydrocarbon-rich phase
74.0	347.2	90.0	0.937	Nitromethane-rich phase
84.0	357.2	14.0	0.211	Hydrocarbon-rich phase
84.0	357.2	-	-	Nitromethane-rich phase
88.9	362.1	-	-	Hydrocarbon-rich phase
88.9	362.1	85.0	0.903	Nitromethane-rich phase
92.3	365.5	20.0	0.291	Hydrocarbon-rich phase
92.3	365.5	-	-	Nitromethane-rich phase
97.1	370.3	-	-	Hydrocarbon-rich phase
97.1	370.3	80.0	0.868	Nitromethane-rich phase
97.3	370.5	24.0	0.341	Hydrocarbon-rich phase
97.3	370.5	-	-	Nitromethane-rich phase
100.4	373.6	-	-	Hydrocarbon-rich phase
100.4	373.6	75.0	0.831	Nitromethane-rich phase
103.5	376.7	30.0	0.413	Hydrocarbon-rich phase
103.5	376.7	-	-	Nitromethane-rich phase
104.0	377.2	-	-	Hydrocarbon-rich phase
104.0	377.2	70.0	0.793	Nitromethane-rich phase
105.2	378.4	35.0	0.469	Hydrocarbon-rich phase
105.2	378.4	-	-	Nitromethane-rich phase
106.6	379.8	40.0	0.522	Hydrocarbon-rich phase
106.6	379.8	-	-	Nitromethane-rich phase
107.0	380.2	-	-	Hydrocarbon-rich phase
107.0	380.2	62.0	0.728	Nitromethane-rich phase
107.6	380.8	45.0	0.573	Hydrocarbon-rich phase
107.6	380.8	-	-	Nitromethane-rich phase
107.8	381.0	50.0	0.621	Hydrocarbon-rich phase
107.8	381.0	-	-	Nitromethane-rich phase
108.0	381.2	52.5	0.645	Hydrocarbon-rich phase
108.0	381.2	57.5	0.689	Nitromethane-rich phase
108.3	381.5	-	-	Hydrocarbon-rich phase
108.3	381.5	55.0	0.667	Nitromethane-rich phase
108.3	381.5	52.8	0.647	Hydrocarbon-rich phase
108.3	381.5	52.8	0.647 (UCST)	Nitromethane-rich phase

Method/Apparatus/Procedure:
   The synthetic method was used. The apparatus with visual indication of turbidity was described by Sazonov, et al.¹ No additional details were reported.

Source and Purity of Materials:
   (1) Source not specified; pure grade reagent; fractionally distilled; 99.85 mass % purity; n(20 °C,D) = 1.3819, d(20 °C) = 1138.0 g·L^–1.
   (2) Source not specified; reagent for chromatography; n(20 °C,D) = 1.3877, d(20 °C) = 683.7 g·L^-1.

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

References:
   ¹ V. P. Sazonov, M. F. Chernysheva, Zh. Obshch. Khim. 57, 46 (1987).

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