Table:
text: 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 ethyl acetate 77.1 70.3°C 7.8 9.0 83.2
ethanol 78.4 cyclohexane 80.8 62.1 7 17 76
ethanol 78.4 benzene 80.2 64.9 7.4 U 1.3 L 43.1 18.5 U 12.7 L 52.1 74.1 U 86.0 L 4.8
ethanol 78.4 chloroform 61.2 55.5 3.5 U 80.8 L 0.5 4.0 U 18.2 L 3.7 92.5 U 1.0 L 95.8
ethanol 78.4 carbon tetrachloride 86.8 61.8 4.3 9.7 86.0
ethanol 78.4 carbon tetrachloride 86.8 61.8 3.4 U 44.5 L <0.1 10.3 U 48.5 L 5.2 86.3 U 7.0 L 94.8
ethanol 78.4 ethylene chloride 83.7 66.7 5 17 78

Question: Tell me the 3rd component of bp azeo of 62.1 for ternary azeotrope (data) of water, bp = 100 °C?