ETHYLENE (C2H4)

Colorless flammable gas with a faint “sweet and musky” odor when pure.
Asphyxiant, may have a narcotic effect at higher concentrations.
Ethylene is widely used in chemical industry, and its worldwide production exceeds that of any other organic compound.
Ethylene density is 0,97 of air density.
Lower explosive limit (LEL) = 2,7 %vol