Manfacturer of Food Grade N-hexane. Purity: 97% Packing: Iron Drum Quality: Refined Productivity: ... liquid. Freezing Point -93.5 ° C, the boiling point 68.95 ° C, the melting point -95 ° C, the relative density of 0.6603 ... flash point (a cup) -20 ° C, spontaneous combustion, 260 ° C, the critical temperature of 234.2 ° C, critical pressure 3.00MPa. Difficult to ...