Description

Decyl Undecyl Phthalate is a high-molecular-weight phthalate ester plasticizer, valued for its excellent permanence and low volatility. This compound is engineered to enhance the flexibility, durability, and low-temperature performance of polymer systems. It is a critical material for manufacturers in the plastics, coatings, and specialty chemical industries seeking reliable and efficient plasticizers for demanding applications.

Application

Decyl Undecyl Phthalate is a versatile plasticizer with broad industrial utility. Its primary and related applications include:

• Primary Plasticizer for PVC: Imparts superior flexibility, elongation, and long-term stability to polyvinyl chloride (PVC) compounds, especially for wire and cable insulation, automotive interiors, and synthetic leather.
• Specialty Polymer Formulations: Used in nitrile rubber (NBR), polyurethanes (PU), and other elastomers to improve processability and final product properties.
• Adhesives and Sealants: Acts as a non-volatile plasticizer to enhance tack, flexibility, and adhesion in various adhesive systems.
• Industrial and Decorative Coatings: Improves film formation, flexibility, and weatherability in coating formulations.
• Gasket and Hose Manufacturing: Provides essential flexibility and resistance to extraction in rubber-based components for automotive and industrial use.

Basic Information

Product Name	Decyl Undecyl Phthalate
CAS No.	19295-82-0
Molecular Formula	C30H50O4
Molecular Weight	474.72 g/mol
Synonyms	1,2-Benzenedicarboxylic acid, decyl undecyl ester; Di(decyl undecyl) phthalate; DUP; Phthalic acid, decyl undecyl ester; Jayflex DUP; Palatinol DUP; Plasticizer DUP; Decylundecyl phthalate; Bis(decylundecyl) phthalate
EINECS	243-090-1

Quality Control

Our Decyl Undecyl Phthalate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, color, acidity, and other critical parameters. Certificates of Analysis (COA) documenting these results are available for review and provide full traceability and compliance assurance for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Ensure the container is kept tightly sealed when not in use to minimize moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Color (APHA)	≤ 30
Acidity (as Phthalic Acid)	≤ 0.01%
Water Content (KF)	≤ 0.05%
Specific Gravity (20/20°C)	0.960 - 0.970
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.