Azeotrope (data) Ternary azeotropes Ternary azeotropes of water, b.p.=100 °C

| _2nd_component | b_p_2nd_comp_C | _3rd_component | b_p_3rd_comp_C | b_p_azeo_C | _wt_1st | _wt_2nd | _wt_3rd |
|---|---|---|---|---|---|---|---|
| ethanol | 78.4 | acetonitrile | 82.0 | 72.9 | 1.0 | 55.0 | 44.0 |
| ethanol | 78.4 | toluene | 110.6 | 74.4 | 12.0 U 3.1 L 20.7 | 37.0 U 15.6 L 54.8 | 51.0 U 81.3 L 24.5 |
| ethanol | 78.4 | methyl ethyl ketone | 79.6 | 73.2 | 11.0 | 14.0 | 75.0 |
| ethanol | 78.4 | n-hexane | 69.0 | 56.0 | 3.0 U 0.5 L 19.0 | 12.0 U 3.0 L 75.0 | 85.0 U 96.5 L 6.0 |
| ethanol | 78.4 | n-heptane | 98.4 | 68.8 | 6.1 U 0.2 L 15.0 | 33.0 U 5.0 L 75.9 | 60.9 U 94.8 L 9.1 |
| ethanol | 78.4 | carbon disulfide | 46.2 | 41.3 | 1.6 | 5.0 | 93.4 |
| n-propanol | 97.2 | cyclohexane | 80.8 | 66.6 | 8.5 | 10.0 | 81.5 |
| n-propanol | 97.2 | benzene | 80.2 | 68.5 | 8.6 | 9.0 | 82.4 |