Description

1,2-Benzenedicarboxylic Acid, Heptyl Undecyl Ester, Branched And Linear is a high-performance, mixed-chain diester plasticizer derived from phthalic acid. This compound is valued for its excellent solvating power and compatibility with a wide range of polymers, offering enhanced flexibility and processability. It is primarily sought by formulators in the polymer and specialty chemical industries for creating durable and versatile materials.

Application

• Primary Plasticizer for PVC, vinyl, and other synthetic polymers to impart flexibility and elongation.
• Polymer Processing Aid to improve flow characteristics and reduce processing temperatures during extrusion and molding.
• Adhesive & Sealant Formulations as a component to adjust viscosity and enhance film-forming properties.
• Specialty Lubricant Additive where thermal stability and compatibility with organic systems are required.
• Coating and Ink Modifier to improve pigment dispersion and final film properties.
• Functional Fluid Component in industrial applications requiring chemical resistance.

Basic Information

Product Name	1,2-Benzenedicarboxylic Acid, Heptyl Undecyl Ester, Branched And Linear
CAS No.	111381-90-9
Molecular Formula	C26H42O4
Molecular Weight	418.61 g/mol
Synonyms	Heptyl undecyl phthalate; Di(heptyl undecyl) phthalate; Phthalic acid, heptyl undecyl ester; Mixed C7-C11 phthalate ester; Plasticizer 711P; 1,2-Benzenedicarboxylic acid, diheptyl undecyl ester; DINP/DIDP alternative ester; Flexible phthalate ester blend
EINECS	Contact for details

Quality Control

Our production of 1,2-Benzenedicarboxylic Acid, Heptyl Undecyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing to ensure consistent purity, performance, and compliance with relevant industrial specifications. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance processes.

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 strong bases and incompatible materials such as strong oxidizing agents. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.5%
Acidity (as Phthalic Acid)	≤ 0.05%
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.970 - 0.980
Refractive Index (20°C)	1.483 - 1.488

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