Toluene
Toluene is a colourless liquid, also deriving from crude oil or coal tar. Its major end-products are polyurethanes; these are very important for the production of the foam used in furniture, mattresses, car seats, insulation for buildings, coatings for floors and furniture, and refrigerators. Furthermore Polyurethanes are also used for artificial sports track, jogging shoes and in roller blade wheels.
