IUPAC-NIST Solubility Database
NIST Standard Reference Database 106

Glass Ball as Bullet Solubility System: Dibromomethane with Water

   (1) Water; H2O; [7732-18-5]  NIST Chemistry WebBook for detail
   (2) Dibromomethane; CH2Br2; [74-95-3]  NIST Chemistry WebBook for detail

   A. L. Horvath, Imperial Chemical Industries Limited, Runcorn, U.K.

Critical Evaluation:

The dibromomethane (1) and water (2) binary system is discussed in two parts; part 1 is dibromomethane (1) in water (2) and part 2 is water (2) in dibromomethane (1).

Part 1. The solubility of dibromomethane (1) in water (2) has been studied by 6 workers. The Compilation Sheets immediately follow this Critical Evaluation.

The experimental data of all investigators in the 273 to 323 K temperature range are sufficiently reliable for use in the smoothing equation (see Figure 1) with the exception of the experimental work of Booth and Everson (ref. 1) which is markedly higher than other results and is therefore rejected. The combined data of 5 laboratories were correlated to give the following equation for mass per cent (1) solubility:

Solubility [100 w1] = 10.1890 – 0.06336789 (T/K) + 1.10906 × 10–4 (T/K)2

which produced a standard deviation of 4.4 × 10–2. This equation represents the combined solubility data with a maximum deviation of 6.0 % (usually less) and may be considered recommended to represent the data in the 273 to 323 K temperature interval.

The recommended mass per cent solubility values at 5 K intervals for dibromomethane (1) in water (2) are recorded in Table 1.

Part 2. The solubility of water (2) in dibromomethane (1) has been reported in one work (ref.2) and, therefore, no Critical Evaluation has not been performed. The readers are referred to the relevant Compilation Sheet.

Experimental Data:   (Notes on the Nomenclature)

Table 1. Recommended Solubility of Dibromomethane (1) in Water (2)
t/°CT/K102 * Mass Fraction w1103 * Mole Fraction x1
View Figure 1 for this Evaluation

References: (Click a link to see its experimental data associated with the reference)

   1  Booth, H.S.; Everson, H.E., Ind. Eng. Chem. 1948, 40, 1491-3.
   2  O'Connell, W.L., Trans. Am. Inst. Mech. Eng. 1963, 226, 126-32.