Description

Dimethy 4,4'-(Ethyne-1,2-Diyl)Dibenzoate is a high-purity organic compound characterized by its central alkyne bridge linking two benzoate ester groups. This unique molecular structure makes it a valuable building block (synthon) for advanced organic synthesis, particularly in the development of conjugated materials and pharmaceutical intermediates. It is essential for research and production in industries requiring precise molecular architectures, such as pharmaceuticals, agrochemicals, and materials science.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Organic Electronic Materials: Acts as a core component for constructing conjugated polymers and small molecules used in OLEDs, OFETs, and solar cells.
• Liquid Crystal & Polymer Chemistry: Employed as a rigid, linear linker in the synthesis of liquid crystal displays (LCDs) and high-performance polymers.
• Cross-Coupling Reactions: A valuable substrate in Sonogashira, Heck, and other palladium-catalyzed coupling reactions to create complex organic frameworks.
• Academic & Industrial R&D: Used in research laboratories for exploring new synthetic methodologies and material properties.

Basic Information

Product Name	Dimethy 4,4'-(Ethyne-1,2-Diyl)Dibenzoate
CAS No.	16882-08-9
Molecular Formula	C18H14O4
Molecular Weight	294.30 g/mol
Synonyms	Dimethyl 4,4'-(1,2-Ethanediylidene)bis[benzoate]; 1,2-Bis(4-methoxycarbonylphenyl)ethyne; 4,4'-(1,2-Ethynediyl)bis[benzoic acid] dimethyl ester; Dimethyl 4,4'-ethynylenedibenzoate; Terephthalic Acid, 4,4'-Ethynylenedi-, Dimethyl Ester; p,p'-Di(methoxycarbonyl)diphenylacetylene
EINECS	Contact for details

Quality Control

Our Dimethy 4,4'-(Ethyne-1,2-Diyl)Dibenzoate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with each shipment to support your quality assurance and regulatory needs.

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 sources and incompatible materials.

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.