Description

1,4-Benzenedicarboxylic Acid Dihexyl Ester is a high-purity diester of terephthalic acid, valued for its role as a versatile plasticizer and chemical intermediate. This compound is critical for enhancing the flexibility, durability, and processing characteristics of various polymer systems. It is primarily sought by manufacturers in the plastics, coatings, and specialty chemical industries for formulating high-performance materials.

Application

• Primary Plasticizer for PVC, polyvinyl butyral (PVB), and other polymers to improve flexibility and low-temperature performance.
• Synthetic Intermediate in the production of specialty polyesters, liquid crystals, and advanced organic compounds.
• Co-Additive in Lubricants and functional fluids to modify viscosity and thermal stability.
• Component in Adhesive & Sealant formulations to adjust rheology and enhance adhesion.
• Solvent and Carrier in high-performance coating systems and ink applications.
• Research & Development chemical for academic and industrial laboratories exploring new material science applications.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid Dihexyl Ester
CAS No.	1818-96-8
Molecular Formula	C20H30O4
Molecular Weight	334.45 g/mol
Synonyms	Dihexyl terephthalate; Terephthalic acid dihexyl ester; 1,4-Dihexyl benzene-1,4-dicarboxylate; Di-n-hexyl terephthalate; Benzene-1,4-dicarboxylic acid dihexyl ester; DHT; DNHT; Hexyl terephthalate
EINECS	217-340-9

Quality Control

Our 1,4-Benzenedicarboxylic Acid Dihexyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting key parameters are available upon request to support your quality assurance and regulatory compliance needs.

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, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/HPLC)	≥ 98.0%
Acidity (as Terephthalic Acid)	≤ 0.1%
Water Content (KF)	≤ 0.1%
Color (APHA)	≤ 50
Specific Gravity (20°C)	0.990 - 1.010
Refractive Index (20°C)	1.485 - 1.495

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