Sodium Chloride:
Also known as common table salt, sodium chloride is also an important building block in the chemical industry. 

Market Dynamics:
For the most part, sodium chloride is produced by evaporating salt/brine and through mining. 

Up Stream Materials/Building Blocks:
Halide
Brine/Salt Water

Down Stream Materials Consuming Sodium Chloride:
Oil&Gas (flocculant)
Glass production
Textile dyes (salting out)
Metals processing (aluminium, copper, steel)
Paper/Pulp (bleaching)
Road Salt (winter risk for supply)
Raw Materials:
Chlorine 
Sodium Hydroxide
Hydrochloric Acid