Toluene:
Toluene is a solvent that is basically benzene with a methyl group attached. It has an odd smell similar to paint thinner.

Up Stream Materials/Building Blocks:
​​Crude Oil

Benzene Co-product
Xylene Co-product

Down Stream Materials Consuming Toluene:

​Benzyl Alcohol 
Toluenesulfonic Acid 
Chlorotoluene 
Benzaldehyde 
Benzoic Acid 
Benzyl Bromide 
Gasoline (octane booster) 
Methylcyclohexane 
Toluene Diisocyanate (TDI) (polyurethane precursor) (Hydrochloric acid co-product)