Description

Diundecyl Phthalate (CAS NO 96507-86-7) is a high-molecular-weight phthalate ester plasticizer known for its excellent permanence and low volatility. It is a critical component in formulations requiring enhanced durability and resistance to extraction in demanding environments. This product is essential for manufacturers in the polymer and specialty chemical industries seeking to improve the flexibility and longevity of their end products.

Application

• Primary plasticizer for high-performance PVC (polyvinyl chloride) applications, including wire and cable insulation and automotive interiors.
• Specialty plasticizer for synthetic rubbers and elastomers requiring low migration and high-temperature stability.
• Key ingredient in the formulation of adhesives and sealants to improve flexibility and adhesion.
• Used in the production of coated fabrics and other polymer coatings for industrial and consumer goods.
• Plasticizer for vinyl flooring and other resilient materials where low volatility is paramount.
• Component in specialty lubricants and functional fluids.

Basic Information

Product Name	Diundecyl Phthalate
CAS No.	96507-86-7
Molecular Formula	C30H50O4
Molecular Weight	474.72 g/mol
Synonyms	1,2-Benzenedicarboxylic acid, diundecyl ester; Diundecyl phthalate; DUP; Undecyl phthalate; Phthalic acid, diundecyl ester; Jayflex DUP; Palatinol DUP; Unimoll 66 M; Vestinol D
EINECS	Contact for details

Quality Control

Our Diundecyl Phthalate is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including chromatography and spectrometry, to confirm identity and meet defined specifications. A Certificate of Analysis (COA) is provided with each shipment, detailing key parameters such as assay, color, and acidity.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Color (APHA)	≤ 30
Acidity (as Phthalic Acid)	≤ 0.01%
Water Content (KF)	≤ 0.05%
Specific Gravity (20°C)	0.955 - 0.965
Refractive Index (20°C)	1.482 - 1.486

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.