Ethanol’s molecular formula is C2H5OH with a boiling point of 78˚C. It is clear, colorless, odorless, flammable and high-octane liquid fuel.
Ethanol for sale has to be in the form of denatured ethanol which is the mixture of denaturant in ethanol at a proportion according to the formula stipulated by Excise Department with properties according to Energy Business Department’s stipulation about denatured ethanol’s properties and qualities BE. 2548.
The mixture ratios of denatured ethanol and basic gasoline are 10, 20 and 85%, yielding Gasohol E10, E20 and E85 respectively for use as substitutes for automobile gasoline.