High octane unleaded aviation gasoline

摘要

High octane unleaded aviation fuel compositions (AVGAS) having a MON of at least 99.6, a high aromatics content and a CHN content of at least 97.2 wt%, less than 2.8 wt% of oxygen content, a T10 of at most 75°C, T40 of at least 75° C, a T50 of at most 105° C, a T90 of at most 135°C, a final boiling point of less than 190°C, an adjusted heat of combustion of at least 43.5 MJ/kg, a vapor pressure in the range of 38 to 49 kPa, freezing point is less than -58 °C is provided. The fuel comprises a blend of toluene, aniline, alkylate or alkylate blend, branched alkyl acetate and isopentane in certain proportions, and less than 1 vol% C8 aromatics.