.The glycol is a colorless, odorless, sweet liquid, toxic to animals, the human lethal dose is about 1.6 g / kg. Mainly used in the system polyester polyester, polyester resin, hygroscopic agents, plasticizers, surfactants, synthetic fibers, cosmetics and explosives, and as a dye / ink,such as solvents, antifreeze, engine preparation and gas dehydrating agent,manufacture of resins, cellophane, ...