... -54.6°C,boiling point:215.26°C,Relative density1.068,Index of refraction 1.4055/20°C,Saturated vapor pressure ... 0.2 0.2 ----- Density(20°C,g/ml) 1.068—1.072 1.065-1.073 Content,% ≥ 99.90 99 ... .6 °C, boiling point of 215.26 °C, relative Density1.068, Refractive rate 1.4055/20 °C, saturated vapor pressure 0 ... ), %≤ 0.05 0.2 -----Density(20°C), g/ml 1.068—1.072 1.065-1.073Content, % ≥ 99.90 99.0 ...