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IUPAC-NIST Solubility Database
NIST Standard Reference Database 106
Solubility System:
Carbon dioxide with N,N-Dimethylmethanamine hydrochloride; (trimethylamine hydrochloride) and Water
Components:
(1) N,N-Dimethylmethanamine hydrochloride; (trimethylamine hydrochloride); C3H10NCl; [593-81-7]
NIST Chemistry WebBook
for detail
(2) Carbon dioxide; CO2; [124-38-9]
NIST Chemistry WebBook
for detail
(3) Water; H2O; [7732-18-5]
NIST Chemistry WebBook
for detail
Original Measurements:
Gerecke, J., Diss. Dr. rer. Nat. 1969, Hochsch. "Carl Schorlemmer", Leuna-Merseburg, DDR.
Variables:
Temperature = 288.15 K to 333.15 K
Pressure = 288.15 K to 333.15 K
Concentration =
c
2
/mol dm
-3
= 0 - 4
Prepared By:
D.M. Mason
Experimental Data:
(Subscripts 1,2,3, ..., in column headings refer to components 1,2,3, ...)
t/°C
T/K
Concentration C
2
[mol/dm
3
]
α
α Note
15
288.15
0
0.990
a
15
288.15
0.25
0.940
a
15
288.15
0.5
0.916
a
15
288.15
1
0.881
a
15
288.15
2
0.842
a
15
288.15
4
0.799
a
20
293.15
0
0.860
a
20
293.15
0.25
0.810
a
20
293.15
0.5
0.792
a
20
293.15
1
0.761
a
20
293.15
2
0.728
a
20
293.15
4
0.710
a
25
298.15
0
0.758
a
25
298.15
0.25
0.699
a
25
298.15
0.5
0.687
a
25
298.15
1
0.669
a
25
298.15
2
0.637
a
25
298.15
4
0.636
a
30
303.15
0
0.671
a
30
303.15
0.25
0.621
a
30
303.15
0.5
0.603
a
30
303.15
1
0.584
a
30
303.15
2
0.561
a
30
303.15
4
0.549
a
35
308.15
0
0.605
a
35
308.15
0.25
0.539
a
35
308.15
0.5
0.528
a
35
308.15
1
0.515
a
35
308.15
2
0.492
a
35
308.15
4
0.479
a
40
313.15
0
0.546
a
40
313.15
0.25
0.478
a
40
313.15
0.5
0.461
a
40
313.15
1
0.455
a
40
313.15
2
0.437
a
40
313.15
4
0.419
a
45
318.15
0
0.482
a
45
318.15
0.25
0.419
a
45
318.15
0.5
0.408
a
45
318.15
1
0.396
a
45
318.15
2
0.385
a
45
318.15
4
0.373
a
50
323.15
0
0.436
a
50
323.15
0.25
0.373
a
50
323.15
0.5
0.367
a
50
323.15
1
0.344
a
50
323.15
2
0.339
a
50
323.15
4
0.329
a
55
328.15
0
0.392
a
55
328.15
0.25
0.330
a
55
328.15
0.5
0.318
a
55
328.15
1
0.308
a
55
328.15
2
0.304
a
55
328.15
4
0.297
a
60
333.15
0
0.372
a
60
333.15
0.25
0.296
a
60
333.15
0.5
0.288
a
60
333.15
1
0.282
a
60
333.15
2
0.274
a
60
333.15
4
0.268
a
Notes:
a
α = Bunsen coefficient [cm
3
(STP) cm
-3
atm
-1
].
Method/Apparatus/Procedure:
The principle of the Ostwald method was used in which a measured volume of gas-free liquid is stirred in the presence of the gas, and its decrease in volume is measured in a burette over mercury. The volume of liquid was measured at the experimental temperature. The molar concentration of salt in the liquid was standardized at 20°C. These data are analyzed and discussed further in Ref. 1.
Source and Purity of Materials:
(1)VEB Leuna Works; 99.8 vol %; the impurity was mostly water (author).
(2) DDR pro analysis grade by DDR Standard TGL 5021.
(3) Double distilled.
Estimated Errors:
Temperature: Not given.
References:
1. Gerecke, J.; Bittrich, H.J., Wiss. Z. Tech. Hochsch. Chem. "Carl Schorlemmer" Leuna-Merseburg 1971, 13(2), 115-22.