Description

Bis(2,5-Dimethylheptyl) Phthalate is a high-molecular-weight, branched-chain diester plasticizer derived from phthalic anhydride and 2,5-dimethylheptanol. This compound is valued for its excellent compatibility with a wide range of polymers, providing enhanced flexibility, low-temperature performance, and improved processing characteristics. It is primarily utilized by manufacturers in the plastics, polymer, and specialty chemical industries seeking durable and efficient plasticizing solutions for demanding applications.

Application

• Primary plasticizer for Polyvinyl Chloride (PVC) and other vinyl polymers, imparting flexibility and durability.
• Key component in the formulation of specialty adhesives and sealants requiring low volatility and good permanence.
• Used in the production of flexible films, sheets, and coated fabrics where consistent performance is critical.
• Functional additive in polymer dispersions and latex to modify film-forming properties.
• Plasticizing agent for synthetic rubbers and elastomers to improve processability and end-product properties.
• Intermediate in the synthesis of specialty lubricants and functional fluids.
• Used in wire and cable insulation formulations for its electrical properties and longevity.
• Component in printing inks and colorants to regulate viscosity and adhesion.

Basic Information

Product Name	Bis(2,5-Dimethylheptyl) Phthalate
CAS No.	85391-48-6
Molecular Formula	C26H42O4
Molecular Weight	418.61 g/mol
Synonyms	1,2-Benzenedicarboxylic acid, bis(2,5-dimethylheptyl) ester; Di(2,5-dimethylheptyl) phthalate; Phthalic acid, bis(2,5-dimethylheptyl) ester; 2,5-Dimethylheptyl phthalate; DINP isomer (specific branched); Plasticizer DHP (branched); Jayflex DINP (related grade); Palatinol DINP (related grade)
EINECS	Contact for details

Quality Control

Our Bis(2,5-Dimethylheptyl) Phthalate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, color, acidity, and other critical parameters. A Certificate of Analysis (COA) documenting these results is provided with every shipment to guarantee traceability and compliance with your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents, heat, and open flame.

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 (20/20°C)	0.970 - 0.978
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.