Description

Diethyl 4,4'-(Ethyne-1,2-Diyl)Dibenzoate is a high-purity organic compound featuring a central alkyne bridge connecting two benzoate ester groups. This unique molecular architecture makes it a valuable building block (synthon) for advanced material synthesis and pharmaceutical research. It is primarily utilized by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and material science industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring rigid, linear conjugated structures.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a core building block for developing novel electron-transporting or host materials due to its conjugated system and ester functionality.
• Liquid Crystal & Polymer Chemistry: Used in the synthesis of monomers for rigid-rod polymers and liquid crystalline materials, leveraging its linear, rod-like geometry.
• Metal-Organic Framework (MOF) Synthesis: Employed as an organic linker or precursor to create porous materials with specific structural properties.
• Cross-Coupling Reactions: The alkyne moiety makes it an excellent substrate for Sonogashira, Glaser, and other palladium-catalyzed coupling reactions to create extended π-systems.
• Academic & Industrial Research: A versatile reagent for exploring new synthetic methodologies and creating novel organic compounds with tailored electronic properties.

Basic Information

Product Name	Diethyl 4,4'-(Ethyne-1,2-Diyl)Dibenzoate
CAS No.	83536-13-4
Molecular Formula	C22H20O4
Molecular Weight	348.40 g/mol
Synonyms	Diethyl 4,4'-(1,2-Ethanediylbis-4,1-phenylene)dibenzoate; 1,2-Bis(4-(ethoxycarbonyl)phenyl)ethyne; 4,4'-(1,2-Ethanediyl)bis-benzoic Acid Diethyl Ester; Diethyl 4,4'-Ethynylenedibenzoate; Diethyl Diphenylethyne-4,4'-dicarboxylate; 4,4'-(Ethyne-1,2-diyl)bis(benzoic acid) diethyl ester; Diethyl 4,4'-(1,2-Ethynediyl)dibenzoate
EINECS	Contact for details

Quality Control

Our Diethyl 4,4'-(Ethyne-1,2-Diyl)Dibenzoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and reliability for your critical processes.

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 heat, sparks, and open flame. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

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

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