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Diisononyl Phthalate

Diisononyl Phthalate Diisononyl Phthalate
Bis(7-methyloctyl) benzene-1,2-dicarboxylate
HS Code
Clear Colorless Liquid
Cas No.
Common Names
DINP, Bis(7-methyloctyl) phthalate
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  • Adhesive
  • Plastics and Rubbers
Sub Category
  • Adhesives
  • Food Packaging


Brief Overview

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.


Manufacturing Process

DNIP is manufactured through production processes of the following substances: 1,2-benzenedicarboxylic acid, 1,2-isononyl ester and 1,2-benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C9-rich.


Adhesives, sealants:

DNIP is often used in the following products: adhesives and sealants, coating products, lubricants and greases and polymers.


Packaging, plastic materials:

It is also used in the packaging of household products: for example machine wash liquids/detergents, automotive care products, paints and coating or adhesives, fragrances and air fresheners.

This chemical can be often found in plastic materials that consist of PCV (DNIP is a PVC plasticizer) for example toys, footwear, food packaging, gloves, purses and furniture. 



In automotive, it can be found in following: hydraulic liquids in automotive suspension, lubricants in motor oil and brake fluids.


Building materials:

DNIP can be found in log-life building materials: metal, wooden and plastic construction and building materials, flooring.