Sigma Aldrich (1)
ETHYLENE (9002-88-4, 68037-39-8, 74-85-1, 56453-76-0)
Ethylene (IUPAC name: ethene) is a hydrocarbon which has the formula C 2H 4 or H2C=CH2. It is a colorless flammable gas with a faint "sweet and musky" odour when pure. It is the simplest alkene (a hydrocarbon with carbon-carbon double bonds).