IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: 2-Nitropropane with Paraffins

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

Original Measurements:
   Kozlov, L.M.; Volpert, V.I., Khim. Tekhnol. Topl. Masel (4), 26-8 (1968).

Variables:
   Temperature = 250 K to 312 K

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

Experimental Remarks:

   The solubilities of paraffins in 2-nitropropane over the indicated temperature range were presented in graphically as plots of temperature against log solubility. The data in the table below were extracted compiler from the reported graphs.

NOTE: Footnotes explained in Source and Purity of Materials section, below.

Experimental Data: (Notes on the Nomenclature)

Solubility of paraffins (2) in 2-nitropropane (1)
t/°C	T/K	10² * Mass Fraction w₂ (compiler)	g₂/g₁	Mole Fraction x₂ (compiler)	Comment(s)
-23.6	249.6	0.1	0.1 x 10²	0.0004	Paraffin*
-18.7	254.5	0.3	0.3 x 10²	0.0012	Paraffin*
-11.4	261.8	0.5	0.5 x 10²	0.0020	Paraffin*
-8.6	264.6	0.7	0.7 x 10²	0.0029	Paraffin*
-5.0	268.2	1.0	1.0 x 10²	0.0041	Paraffin*
5.0	278.2	2.9	3.0 x 10²	0.0121	Paraffin*
8.6	281.8	4.8	5.0 x 10²	0.0202	Paraffin*
11.4	284.6	6.5	7.0 x 10²	0.0276	Paraffin*
-7.2	266.0	0.07	0.07 x 10²	0.0003	Paraffin**
-2.8	270.4	0.1	0.1 x 10²	0.0004	Paraffin**
4.1	277.3	0.3	0.3 x 10²	0.0011	Paraffin**
8.0	281.2	0.5	0.5 x 10²	0.0018	Paraffin**
10.9	284.1	0.7	0.7 x 10²	0.0025	Paraffin**
14.8	288.0	1.0	1.0 x 10²	0.0035	Paraffin**
24.3	297.5	3.8	3.9 x 10²	0.0136	Paraffin**
26.3	299.5	4.8	5.0 x 10²	0.0173	Paraffin**
3.8	277.0	0.055	0.055 x 10²	0.0002	Paraffin***
10.0	283.2	0.07	0.07 x 10²	0.0002	Paraffin***
18.2	291.4	0.11	0.11 x 10²	0.0003	Paraffin***
22.5	295.7	0.3	0.3 x 10²	0.0009	Paraffin***
25.0	298.2	0.7	0.7 x 10²	0.0021	Paraffin***
27.9	301.1	1.3	1.3 x 10²	0.0039	Paraffin***
1.3	274.5	0.01	0.01 x 10²	0.00003	Paraffin****
14.3	287.5	0.05	0.05 x 10²	0.0001	Paraffin****
20.0	293.2	0.08	0.08 x 10²	0.0002	Paraffin****
21.9	295.1	0.1	0.1 x 10²	0.0003	Paraffin****
30.3	303.5	0.3	0.3 x 10²	0.0008	Paraffin****
32.9	306.1	0.5	0.5 x 10²	0.0013	Paraffin****
35.8	309.0	0.7	0.7 x 10²	0.0019	Paraffin****
38.8	312.0	1.0	1.0 x 10²	0.0027	Paraffin****

Method/Apparatus/Procedure:
   The method, described in Poole¹ was used. No experimental details given.

Source and Purity of Materials:
   (1) Not specified.
   (2) Obtained by separation of narrow fraction with b. p.* = (196 to 270)°C and b. p.** = (300 to 365)°C from a wide fraction of diesel fuel; m. p.* = 13.2°C and m. p.** = 28.0°C; *** and **** obtained by separation of the third oil fraction of Tuimazin cr

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

References:
   ¹ G. W. Poole, Ind. Eng. Chem. 21, 1098 (1929).