... usesColourless,transparent oily liquid,b.p.216°C(4mmHg),viscosity 14 c.p.(20°C),refractive index 1.4434(20°C). It is now chiefly used ... .100.20Octanol content(GC),% 0.100.15Flash point,°C 192190Surface tension(20~25°C),mN/m18.018.0Water content,% 0.150.20 ...