DIUNDECYL PHTHALATE (DUP)
CAS NO. 85507-79-9
EINECS NO. 287-401-6
Diundecyl Phthalate is a general purpose plasticizer for flexible PVC goods with low volatility and good
low temperature performance.
Diundecyl Phthalate has low specific gravity, good heat, light stability, and electrical properties. Diundecyl
Phthalate is used in wire and cable applications, low temperature, high performance film and sheeting and
low fogging automotive interiors.
DOT Hazard Code – not regulated.
SPECIFICATIONS:
Appearance
Clear Liquid
Acidity (as phthalic acid)
0.015% max.
Color (APHA)
100 max.
Assay, as esters
99.0 % min.
Water Content
0.10 % max.
Specific Gravity 20°/20°C
0.951 – 0.957
PROPERTIES:
Molecular Weight
474.7 g/mole
Odor
characteristic
Refractive Index n
D
20
1.481 – 1.485
Boiling Point (760 mm Hg)
327°C
Solubility in water
Practically insoluble
HANDLING INFORMATION:
Refer to Material Safety Data Sheet
These suggestions and data are based on information we believe to be reliable. They are offered in good faith, but
without guarantee, as conditions and methods of use of our products are beyond our control. We recommend that the
prospective user determine the suitability of our materials and suggestions before adopting them on a commercial
scale. Suggestions for uses of our products should not be understood as recommendations that they be used in
violation of any patents.
DUP
Date Issued: 6/22/09
www.unitexchemical.com
Page 1 of 1
Supersedes: 9/22/04
