Ethylene

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Ethylene
Chemical formula C2H4
OTP appearance colorless gas 
Molar Mass(g/mol) 28 
Melting Point(°C) -169 
Boiling Point(°C) -103 
Density(g/cc) 0.001178 
Solubility in water(g/L) 0.035 
Speed of sound
20°C, 1atm (m/s)
327
NFPA 704
NFPA704.png
4
2
2
 

Uses

Primary

  • Industrial Chemical
  • Feedstock for dichloroethane
  • Feedstock for polymers (e.g. polyethylene)

Natural occurrence

  • Occurs naturally in vegetation, particularly ripening fruits

Hazards

  • Extremely flammable
  • Typical hydrocarbon CNS depression

Production

Synthesis

dehydration of ethanol

  • Dehydrate ethanol in hot sulfuric acid
    C2H5OH
    {H2SO4
    ≥140°C}
    C2H4 + H2O

Purification

Testing

Storage

Disposal

See Also

References