Caustic soda is needed to produce a wide range of chemicals. These can be used as the intermediate as well as a reactant that is needed to produce the synthetic fibres, bleach, solvents, plastics, adhesives, herbicides, dyes, coatings, pharmaceuticals and inks. It is also used to neutralize the acidic waste streams. Plus, it is useful for the scrubbing of acidic components. Caustic soda has several industrial uses. This is a multi-purpose substance that is needed to make everyday products on a large basis.