Quantitative solubility data for the nitroethane (1)+water (2) have been reported in the publications listed in Table 1.

All original data are compiled in the data sheets immediately following this Critical Evaluation. The water-rich phase data of Malone and Vining¹ at 298 K and nitroethane-rich phase data of Tolstova and Sheblom² at 293 K disagree markedly from all other studies and are rejected. All other reported data are included in the tables below.
The evaluators obtained the values by graphical interpolation or extrapolation from the data sheets are indicated by an asterisk (*). "Best" values are arithmetic means. The uncertainty limits (σ_n) attached to these values do not have statistical significance and should be regarded only as a convenient representation of the spread of values rather than as error limits. The letter (R) designates "recommended" data. Data are "recommended" if two or more apparently reliable studies are in reasonable (±5% relative) agreement. All other data are regarded as tentative only.

The interpolated values reported in the tables above were approximated using an equation based on the scaling law (described in the preface) for which following parameters were derived:

a₁ = 0.50432, a₂ = 0.30838, b₁ = -2.72914, b₂ = 3.07370 (mean standard error of estimate was 0.0288).

For this approximation the values of UCST and x_cl from Zhuravleva, et al.³ have been used. The calculated compositions are within the stated accuracy of the tables at each point. The calculated relationship is presented in Fig. 1 together with the "best" values from the above tables.

The upper critical solution temperature was reported to be 443.7 K.³ The corresponding critical solution composition was reported to be x_cl = 0.227.³ These value are tentative.