| Section2 = | Section3 = }} Eicosane (also known by the IUPAC name icosane or as didecyl)'s an alkane hydrocarbon with the chemical formula C20H42. It's 366,319 constitutional isomers. Eicosane has little use in the petrochemical industry, as its high flash point makes it an inefficient fuel. Due to its chemical inactivity, n-eicosane (the straight-chain structural isomer of eicosane)'s part of the paraffin group, and's the shortest molecule in the compounds used to form candles. Eicosane's si… (More on Eicosane)