IUPAC-NIST Solubilities Database

IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Solubility System: 2-Nitrobutane with Paraffins

Components:
   (1) 2-Nitrobutane; C4H9NO2; [600-24-8]  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 = 255 K to 307 K

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

Experimental Remarks:

   The solubilities of paraffins (2) in 2-nitrobutane (1) over the indicated temperature range were presented in graphically as a 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-nitrobutane (1)
t/°C	T/K	10² * Mass Fraction w₂ (compiler)	g₂/g₁	Mole Fraction x₂ (compiler)	Comment(s)
-17.9	255.3	0.5	0.5 x 10²	0.0024	paraffin*
-15.7	257.5	0.7	0.7 x 10²	0.0033	paraffin*
-12.1	261.1	1.1	1.1 x 10²	0.0052	paraffin*
-2.9	270.3	2.9	3.0 x 10²	0.0139	paraffin*
2.1	275.3	4.8	5.0 x 10²	0.0233	paraffin*
-10.0	263.2	0.1	0.1 x 10²	0.0004	paraffin**
-2.2	271.0	0.3	0.3 x 10²	0.0012	paraffin**
2.2	275.4	0.5	0.5 x 10²	0.0020	paraffin**
4.2	277.4	0.7	0.7 x 10²	0.0028	paraffin**
6.1	279.3	1.0	1.0 x 10²	0.0041	paraffin**
8.0	281.2	3.8	4.0 x 10²	0.0158	paraffin**
4.1	277.3	0.1	0.1 x 10²	0.0003	paraffin***
12.9	286.1	0.3	0.3 x 10²	0.0010	paraffin***
16.6	289.8	0.6	0.6 x 10²	0.0021	paraffin***
18.6	291.8	0.7	0.7 x 10²	0.0024	paraffin***
20.5	293.7	1.2	1.2 x 10²	0.0041	paraffin***
26.3	299.5	2.6	2.7 x 10²	0.0091	paraffin***
10.0	283.2	0.05	0.05 x 10²	0.0002	paraffin****
13.8	287.0	0.08	0.08 x 10²	0.0002	paraffin****
16.5	289.7	0.1	0.1 x 10²	0.0003	paraffin****
25.0	298.2	0.3	0.3 x 10²	0.0009	paraffin****
29.0	302.2	0.5	0.5 x 10²	0.0015	paraffin****
31.0	304.2	0.7	0.7 x 10²	0.0021	paraffin****
33.8	307.0	1.0	1.0 x 10²	0.0031	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).