Description

1,4-Phenylenediacetic Acid Diethyl Ester is a high-purity organic chemical building block of significant commercial importance. This diester compound serves as a versatile intermediate in advanced organic synthesis, enabling the production of complex molecules with precise structural control. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, para-substituted aromatic core with flexible ester side chains.
• Liquid Crystal & OLED Material Precursor: Used in the production of monomers and intermediates for advanced display technologies and organic light-emitting diodes.
• Agrochemical Synthesis: Intermediate in the manufacture of herbicides, fungicides, and plant growth regulators that incorporate phenylacetic acid derivatives.
• Polymer & Resin Modifier: Serves as a monomer or cross-linking agent in the production of specialty polyesters, epoxy resins, and coatings to modify flexibility and thermal properties.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex molecular architectures, including macrocycles and ligands for catalysis.
• Dye & Pigment Intermediate: Used in the synthesis of specialized dyes and optical brighteners where the diethyl ester group aids in solubility and subsequent chemical transformations.

Basic Information

Product Name	1,4-Phenylenediacetic Acid Diethyl Ester
CAS No.	36076-26-3
Molecular Formula	C14H18O4
Molecular Weight	250.29 g/mol
Synonyms	Diethyl 1,4-Phenylenediacetate; Diethyl [1,4-Phenylenebis(oxy)]diacetate; p-Phenylenediacetic Acid Diethyl Ester; 1,4-Benzenediacetic Acid, Diethyl Ester; Diethyl p-Phenylenediacetate; Ethyl p-Phenylenediacetate; NSC 404058; AA1,4DEE
EINECS	Contact for details

Quality Control

Our 1,4-Phenylenediacetic Acid Diethyl Ester is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment, and we support compliance with relevant regulatory frameworks including REACH.

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 bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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