Description

Diheptadecyl Adipate is a high-molecular-weight diester derived from adipic acid and heptadecanol, functioning as a specialized plasticizer and lubricant additive. This compound is valued for its excellent thermal stability and low volatility, which are critical for enhancing the performance and longevity of polymer formulations. It is primarily sought by manufacturers in the plastics, rubber, and specialty lubricants industries seeking to improve product flexibility and durability under demanding conditions.

Application

• Primary plasticizer for high-temperature PVC, polyurethane, and other specialty polymers.
• Internal lubricant and processing aid in engineering plastics and synthetic rubber compounds.
• Base fluid or viscosity modifier in high-performance synthetic lubricants and greases.
• Additive in sealants, adhesives, and coatings to improve low-temperature flexibility and weatherability.
• Functional fluid in heat transfer and hydraulic systems requiring high thermal and oxidative stability.
• Plasticizer for wire and cable insulation where long-term performance is critical.

Basic Information

Product Name	Diheptadecyl Adipate
CAS No.	26719-27-7
Molecular Formula	C40H78O4
Molecular Weight	623.1 g/mol
Synonyms	Adipic Acid Diheptadecyl Ester; Di-n-heptadecyl Adipate; Heptadecyl Adipate; Bis(heptadecyl) Adipate; Adipic Acid Bis(heptadecyl) Ester; Plasticizer DHA; Ester Plasticizer 617; UNII-8V3Y9F8O4U
EINECS	Contact for details

Quality Control

Our Diheptadecyl Adipate is produced under a rigorous quality management system. Each batch is tested to ensure it meets precise specifications for identity, purity, and performance characteristics. A comprehensive Certificate of Analysis (COA) documenting key parameters is available for every shipment 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 room temperature (15-25°C). Keep away from strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Moisture (KF)	≤ 0.1%
Color (APHA)	≤ 50
Refractive Index (20°C)	1.450 - 1.455
Density (20°C)	0.86 - 0.90 g/cm³

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