Description

1,4-Benzenedicarboxylic Acid 1-Decyl 4-Ethyl Ester is a high-purity diester derivative of terephthalic acid, valued for its role as a specialized intermediate and functional additive. This compound is engineered to provide consistent performance in formulations requiring specific solubility and plasticizing properties. It is primarily sought by manufacturers in the polymer, specialty chemical, and advanced material sectors for research, development, and production.

Application

• Polymer Additive & Plasticizer: Acts as a specialty plasticizer or co-monomer in the synthesis of modified polyesters and polyamides to alter flexibility and thermal properties.
• Specialty Chemical Intermediate: Serves as a key building block for the synthesis of more complex organic compounds, including liquid crystals and pharmaceutical intermediates.
• Lubricant & Functional Fluid Component: Used in the formulation of high-performance synthetic lubricants and heat transfer fluids due to its ester-based structure.
• Coating & Resin Formulation: Incorporated into specialty coatings, inks, and adhesives to modify rheology, enhance solubility of other components, and improve film properties.
• Research & Development: Employed in academic and industrial R&D for exploring new material science applications and organic synthesis pathways.

Basic Information

Product Name	1,4-Benzenedicarboxylic Acid 1-Decyl 4-Ethyl Ester
CAS No.	54699-33-1
Molecular Formula	C21H32O4
Molecular Weight	348.48 g/mol
Synonyms	Decyl Ethyl Terephthalate; Ethyl Decyl Terephthalate; Terephthalic Acid Decyl Ethyl Ester; 1,4-Benzenedicarboxylic Acid, Decyl Ethyl Ester; Bis(ethyl decyl) Terephthalate (common name); Terephthalic Acid, Decyl Ethyl Diester; Decyl Ethyl Benzene-1,4-dicarboxylate
EINECS	Contact for details

Quality Control

Our 1,4-Benzenedicarboxylic Acid 1-Decyl 4-Ethyl Ester is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets precise customer specifications and industry standards. A Certificate of Analysis (COA) documenting all critical parameters is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content	≤ 0.5%

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