Heavy product of 2-ethylhexanol rectification
 It is used in the fuel industry for compounding fuel oil, which is later used as a heating oil for industrial furnaces, boiler plants and steam boilers; for compounding gasoline and diesel fuel.
 
 As a raw material for the production of corrosion inhibitors, as a reagent for coal flotation.
 
 In oilfield chemistry - as a component of reagents for enhanced oil recovery.