Di Octyl Phthalate (DOP)

Dioctyl Phthalate (DOP) is a general use Plasticizer. As a PVC plasticizer, DOP is used in formualtions of screen printing inks. Known for its good stability to heat and ultraviolet light, DOP can be used in applications such as paints, lacquers, inks, adhesives, and sealants.


Molar Weight390.6 g/mol
Melting Point-50 °C
Boiling Point386 °C
Flash Point207 °C
Density0.985 g/mL at 25 °C

Uses and Applications

Key applications

  • Solvents


  • Polymers
  • Rubber
  • Coatings & Construction

Synonyms: Bis(n-octyl) phthalate I Dioctyl 1,2-benzenedicarboxylate

Chemical Formula: C24H38O4

CAS Number: 117-84-0