Description

1,2-Benzenedicarboxylic Acid, Di-C7-11-Branched And Linear Alkyl Esters is a high-performance, high-molecular-weight phthalate plasticizer. This compound is valued for its excellent solvating power and low volatility, providing superior permanence and flexibility to polymer matrices. It is primarily needed by manufacturers in the polymer, coatings, and specialty chemical industries seeking durable and efficient plasticizing agents for demanding applications.

Application

• Primary Plasticizer for PVC, imparting flexibility and durability in wire & cable insulation, flooring, and automotive interiors.
• Polymer Modifier in synthetic rubbers, adhesives, and sealants to enhance workability and elastic properties.
• Functional Fluid and lubricant additive, contributing to thermal stability and viscosity control.
• Co-additive in coating formulations to improve film formation, gloss, and adhesion.
• Processing Aid in calendering and extrusion processes to reduce melt viscosity and improve output.

Basic Information

Product Name	1,2-Benzenedicarboxylic Acid, Di-C7-11-Branched And Linear Alkyl Esters
CAS No.	68515-42-4
Molecular Formula	Typically C24H38O4 (for C7 di-ester) - mixture
Molecular Weight	~390.56 g/mol (average)
Synonyms	Di-isononyl phthalate (DINP) isomer mix; Di(C7-11 alkyl) phthalate; Phthalic acid, di-C7-11-branched and linear alkyl esters; Palatinol® DINP; Jayflex® DINP; DINP (C7-C11); 1,2-Benzenedicarboxylic acid, di-C9-11-branched alkyl esters, C10-rich
EINECS	271-090-9

Quality Control

Our 1,2-Benzenedicarboxylic Acid, Di-C7-11-Branched And Linear Alkyl Esters is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistency and compliance with industry specifications for plasticizer applications. A Certificate of Analysis (COA) detailing purity, acid value, color, and other critical parameters is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at ambient temperatures (15-25°C). Keep away from strong acids, oxidizing agents, and heat sources. Ensure containers are kept upright to prevent leakage.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Identification (IR)	Conforms
Assay (GC)	≥ 99.0%
Acid Value (mg KOH/g)	≤ 0.1
Color (APHA)	≤ 30
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	0.970 - 0.980
Refractive Index (20°C)	1.483 - 1.487

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