At room temperature, it is a colorless gas, and at low temperatures, it is a colorless and easily flowing liquid. There is an ether odor, and at high concentrations, there is a stimulating odor. Relative density 0.8711. Melting point -112 65 ℃. Boiling point is 10.35 ℃. Viscosity (O ℃) 0 31mPa. s. Flash point below -17.7 ℃. The ignition point is 429 ℃. The explosive limit in air is 3% to 100%. Dissolved in organic solvents, refractive index 1 3597. Can be mixed with water in any ratio.
One of the important organic synthetic raw materials, mainly used in the production of ethylene glycol (raw material for polyester fiber), synthetic detergents, non-ionic surfactants, disinfectants, grain fumigants, antifreeze agents, emulsifiers, and ethylene glycol products. It is also used in the production of plasticizers, lubricants, rubber, and plastics. It can also be used as fuel for jet thrusters such as rockets.