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Dibutyl Phthalate

Last updated: April 3, 2019

What Does Dibutyl Phthalate Mean?

Dibutyl phthalate refers to a chemical compound that is organic in nature with the chemical formula C6H4(CO2C4H9)2. It is primarily used as a key ingredient in the production of plasticizers – a subcomponent of corrosion preventative coatings.


Corrosionpedia Explains Dibutyl Phthalate

Dibutyl phthalate has an oily consistency and is colorless but sometimes yellow with the use of an external colorant for identification purposes. Dibutyl phthalate is often industrially applied in the form of a plasticizer in corrosion prevention films and coatings.

Dibutyl phthalate plasticizers provide the following key benefits to a coating:

  • Reducing the rigidity of binders
  • Improving the coating's elasticity
  • Improving material processing
  • Reducing the coating's cost because only a small concentration is required

Other widespread industry uses of dibutyl phthalate include:

  • Adhesives and sealant chemicals
  • Intermediates
  • Laboratory chemicals
  • Solvents (for cleaning and degreasing)

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