Di Iso Nonyl Phthalate (DINP)

Diisononyl phthalate (DINP) is a phthalate used as a plasticizer. DINP is typically a mixture of chemical compounds consisting of various isononyl esters of phthalic acid, and is commonly used in a large variety of plastic items.


Melting Point−43 °C
Boiling Point244 - 252 °C
Flash Point221 °C
Density0.98 g/cm3

Uses and Applications

Key applications

  • Solvents


  • Polymers
  • Coatings & Construction
  • Rubber

Synonyms: Phthalic acid

Chemical Formula: C26H42O4

CAS Number: 28553-12-0