6.3.5 - Uses of Halogenoalkanes

• uses of halogenoalkanes

  in labs as intermediates in making other organic chemicals

  make plastics - PVC, PTFE

  solvents

  refrigerants

  fire extinguishers and fire retardants
• what are chlorofluorocarbons (CFCs)

  compounds containing chlorine, fluorine and carbon only
• properties of CFCs

  unreactive

  don't burn

  not toxic

  can have different boiling temperatures
• previous uses of CFCs

  working fluid in refrigerators and air conditioning units

  solvents for dry cleaning and removing grease

  blowing agents to make bubbles in expanded plastics and insulating foams
• why CFCs were banned

  damage to ozone layer

  powerful greenhouse gases which contributes to global warming
• replacement for CFCs

  hydrofluorocarbons

  hydrocarbons