Ethylene | |
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![]() ![]() | |
General | |
Molecular formula | C2H4 |
SMILES | C==C |
Molar mass | 28.05 g/mol |
Appearance | colorless gas |
Properties | |
Density and phase | 1.178 kg/m³ at 15 °C, gas |
Solubility in water | 3.5 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 group | D2h |
Dipole moment | Zero |
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.[1] It is also the most made chemical. About 75 million tons of it have been made each year since 2005.[2] Its biggest use is to make polyethylene.
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