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Ethylene
Ethylene Ethylene
General
Molecular formulaC2H4
SMILESC==C
Molar mass28.05 g/mol
Appearancecolorless gas
Properties
Density and phase1.178 kg/m³ at 15 °C, gas
Solubility in water3.5 mg/100 ml (17 °C)
Melting point−169.2 °C (104.0 K, -272.6 °F)
Boiling point−103.7 °C (169.5 K, -154.7 °F)
Structure
Symmetry groupD2h
Dipole momentZero

Ethylene or ethene is a chemical compound with two carbon atoms and four hydrogen atoms in each molecule. These molecules are put together with a double bond that makes it a hydrocarbon. It is very important in industry and has even been used in biology as a hormone. It is also the most made chemical. About 75 million tons of it have been made each year since 2005. Its biggest use is to make polyethylene.

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   Related Content
    • ethylene in apples
    • ethylene gas
    • ethylene tetrachloride
    • ethylene glycol


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