Diundecyl phthalate (DUP) is a plasticizer used for flexible PVC. This is phthalate using undecyl alcohol by oxo process, and it is low volatility plasticizer with good miscibility and machinability.

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Characteristics

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DUP is phthalic acid ester using undecyl alcohol by oxo process, and it is low volatility plasticizer with good miscibility and machinability.  It also shows superior characteristics for electrical property, flexibility in low temperature, and non-migratory property.

DUP

Chemical name Diundecyl phthalate (DUP)
CAS number 3648-20-2
Existing chemical number 3-1307
Formula C30H50O4
Molecular weight 475
Structural formula
Functional group/compound classification Benzene ring, ester bond
Flow point (°C) -45
Boiling point (°C, 101.3kPa) No measured value (CHRIP reference value 523)
Specific gravity (20/20°C) 0.954
Flash point (°C, open) 239
Ignition point (°C) No data
Aqueous solubility (ppm) 1 or less
Fire Service Act Hazardous material, Class 4 Petroleum No. 4
Poisonous and Deleterious Substances Control Law Not applicable

Applications

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DUP is appropriate for plasticizer of wide range of flexible PVCs that requires heat resistance.

Lineup / Specifications

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