Diisononyl Phthalate is colorless liquid with a slight ester odor.

  • CAS #: 28553-12-0
  • Synonyms: DINP; Benzenedicarboxylic Acid, Diisononyl Ester
  • Formula: C26H42O4


DINP has a flash point of 464°F and is considered non-hazardous by the DOT.


Diisononyl Phthalate is one of the most commonly used plasticizer in the market. DINP product is a great plasticizer for vinyl products, giving products both good low temperature and low volatility performance. Common applications include dipping, slush molding, spray coatings, and castings.

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