IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: 2-Nitropropane with Nonane

Components:
   (1) 2-Nitropropane; C3H7NO2 ; [79-46-9]  NIST Chemistry WebBook for detail
   (2) Nonane; C9H20; [111-84-2]  NIST Chemistry WebBook for detail

Original Measurements:
   Clever, H.L.; Pirkle, Q.R. Jr.; Allen, B.J. Jr.; Derrick, M.E., J. Chem. Eng. Data 17, 31-4 (1972).

Variables:
   Temperature = 254 K to 269 K

Prepared By:
   V. P. Sazonov

Experimental Data:   (Notes on the Nomenclature)

Mutual solubility of 2-nitropropane (1) and nonane (2)
t/°C	T/K	10² * Mass Fraction w₁	Mole Fraction x₁ (compiler)	Comment(s)
-19.1	254.1	-	-	nonane-rich phase
-7.8	265.4	-	-	nonane-rich phase
-5.3	267.9	-	-	nonane-rich phase
-4.8	268.4	33.9	0.425	nonane-rich phase
-4.6	268.6	-	-	nonane-rich phase
-4.5	268.7	-	-	nonane-rich phase

Mutual solubility of 2-nitropropane (1) and nonane (2)
t/°C	T/K	10² * Mass Fraction w₁	Mole Fraction x₁ (compiler)	Comment(s)
-19.1	254.1	81.7	0.865	2-nitropropane-rich phase
-7.8	265.4	70.5	0.775	2-nitropropane-rich phase
-5.3	267.9	59.6	0.680	2-nitropropane-rich phase
-4.8	268.4	-	-	2-nitropropane-rich phase
-4.6	268.6	45.9	0.550	2-nitropropane-rich phase
-4.5	268.7	- (UCST)	-	2-nitropropane-rich phase

Method/Apparatus/Procedure:
   The synthetic method was used. The solutions of (1) and (2) were sealed in 5-mL glass vials. The cloud points were observed visually in an acetone bath slowly cooled by the addition of portions of dry ice. Temperatures were observed on an alcohol thermometer.

Source and Purity of Materials:
   (1) Eastman; practical grade; distilled at 60°C/13.3 kPa.
   (2) Phillips; purity 99 mol %.

Estimated Errors:
   Solubility: Not specified.
   Temperature: Not specified.