IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: 2-Nitropropane with Water

Components:
   (1) 2-Nitropropane; C3H7NO2 ; [79-46-9]  NIST Chemistry WebBook for detail
   (2) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail

Original Measurements:
   Stephenson, R.M., J. Chem. Eng. Data 37, 80-95 (1992).

Variables:
   Temperature = 273 K to 363 K

Prepared By:
   V. P. Sazonov

Experimental Remarks:

   Below 10 °C, organic-rich phase on bottom; above 10 °C, organic-rich phase top.

Experimental Data:   (Notes on the Nomenclature)

Mutual solubility of 2-nitropropane (1) and water (2)
t/°C	T/K	10² * Mass Fraction w₁	Mole Fraction x₁ (compiler)	Comment(s)
0.0	273.2	3.07	0.0064	water-rich phase
19.7	282.9	1.80	0.0037	water-rich phase
30.9	304.1	1.70	0.0035	water-rich phase
40.0	313.2	1.78	0.0037	water-rich phase
50.5	323.7	1.79	0.0037	water-rich phase
61.1	334.3	2.07	0.0043	water-rich phase
70.6	343.8	2.09	0.0043	water-rich phase
81.0	354.2	2.26	0.0047	water-rich phase
90.2	363.4	2.36	0.0049	water-rich phase

Mutual solubility of 2-nitropropane (1) and water (2)
t/°C	T/K	10² * Mass Fraction w₁	Mole Fraction x₁ (compiler)	Comment(s)
0.0	273.2	99.66	0.9834	2-nitropropane-rich phase
19.7	282.9	99.51	0.9762	2-nitropropane-rich phase
30.9	304.1	99.35	0.9687	2-nitropropane-rich phase
40.0	313.2	99.30	0.9663	2-nitropropane-rich phase
50.5	323.7	99.07	0.9556	2-nitropropane-rich phase
61.1	334.3	98.73	0.9402	2-nitropropane-rich phase
70.6	343.8	98.55	0.9322	2-nitropropane-rich phase
81.0	354.2	98.09	0.9122	2-nitropropane-rich phase
90.2	363.4	97.77	0.8987	2-nitropropane-rich phase

Method/Apparatus/Procedure:
   No details were reported.

Source and Purity of Materials:
   (1) Aldrich Chemical; not purified; purity 96 mass %.
   (2) Not specified.

Estimated Errors:
   Solubility: 0.03 mass %.
   Temperature: to ±0.1 K