Used as a plasticizer in nitrocellulose, acrylate lacquers, varnishes, and polyvinyl chloride, flame retardant in plastics and rubbers; gasoline additive as a lead scavenger for tetra-ethyl lead; hydraulic fluid; heat exchange medium; used in waterproofing of materials; solvent for extractions; solvent for nitrocellulose and other polymers; used as an AW additive and EP additive in lubricants; gasoline additive.