Diisononyl adipate (DINA) is a adipate ester of isononyl alcohol (carbon number 9).It is appropriate for wide range of application as a plasticizer.

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DINA is a adipate ester of isononyl alcohol (carbon number 9) that oxidized the butene dimer.  Performance as a plasticizer is between DOA and DIDA, and it is appropriate for wide range of application.
It has characteristics of cold resistance and DINA has superior heat resistance compared to DOA.


Chemical name Diisononyl adipate(DINA)
CAS number 33703-08-1
Existing chemical number 2-861
Formula C24H46O4
Molecular weight 399
Structural formula
Functional group/compound classification Ester bond
Flow point (°C) -70
Boiling point (°C, 0.67kPa) 227
Specific gravity (20/20°C) 0.924
Flash point (°C, open) 232
Ignition point (°C) 380
Aqueous solubility (ppm, 25°C) 1 or less
Fire Service Act Hazardous material, Class 4 Petroleum No. 4
Poisonous and Deleterious Substances Control Law Not applicable



This is used as a plasticizer for wide range of flexible PVC to improve the cold resistance. It is also appropriate for food carton packaging material.

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