The polyester adipate plasticizer product group offers excellent oil resistance and non-migratory property, as well as low volatility. D643D is characterized within its product group by its relatively large molecular weight and good heat-aging resistance characteristics.

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D643D is certified under the JHP standard and is permitted for use in food packaging. In particular, the agent has excellent oil resistance, which allows it to be used in packaging for oil-based foods.


Chemical name Polyester adipate
Other chemical name Adipate oligomer
CAS number 502685-40-7
Existing chemical substance number in Japan 7-999
Molecular formula Mixture
Molecular weight Approximately 1800
Pour point (°C) No data
Boiling point (°C) No data
Relative density (25/25°C) 1.089
Flash point (°C) 288
Ignition point (°C) No data
Water solubility (ppm) No data
Fire Service Act Designated combustibles (flammable liquids)
Poisonous and Deleterious Substances Control Act Not applicable



The plasticizer D643D is well suited for food packaging and for use in applications requiring characteristics such as oil resistance, low volatility, and non-migratory property.

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