Description

1,4-Diethynyl-2,5-Dimethylbenzene is a high-purity organic building block featuring two terminal alkyne groups on a dimethyl-substituted benzene core. This compound matters as a versatile and reactive intermediate for advanced material synthesis and pharmaceutical research, enabling precise molecular construction. It is primarily needed by R&D chemists and process engineers in the fields of organic electronics, polymer science, and medicinal chemistry for creating novel conjugated systems and complex molecular architectures.

Application

• Organic Semiconductor Precursor: A key monomer for synthesizing conjugated polymers and small molecules used in OLEDs, OFETs, and photovoltaic cells.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of potential drug candidates and bioactive molecules, leveraging its alkyne groups for click chemistry.
• Metal-Organic Framework (MOF) Synthesis: Used as a rigid, linear linker to construct porous coordination polymers with tailored properties for gas storage or catalysis.
• Dendrimer and Hyperbranched Polymer Core: Acts as a multifunctional core unit for the iterative synthesis of complex, three-dimensional macromolecular structures.
• Cross-coupling Reactions: Employed in Sonogashira, Glaser, and other palladium-catalyzed coupling reactions to form extended π-conjugated systems.
• Material Science Research: Utilized in academic and industrial R&D for developing novel organic materials with specific optical or electronic properties.

Basic Information

Product Name	1,4-Diethynyl-2,5-Dimethylbenzene
CAS No.	75867-45-7
Molecular Formula	C12H10
Molecular Weight	154.21 g/mol
Synonyms	2,5-Dimethyl-1,4-diethynylbenzene; 1,4-Bis(ethynyl)-2,5-dimethylbenzene; p-Diethynyl-p-xylene; 2,5-Dimethyl-p-diethynylbenzene; DEDMB; Diethynyl dimethylbenzene; 1,4-Diethynyl-2,5-dimethyl-benzene; Benzene, 1,4-diethynyl-2,5-dimethyl-
EINECS	Contact for details

Quality Control

Our 1,4-Diethynyl-2,5-Dimethylbenzene is produced under stringent quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 place at room temperature (15-25°C). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, containers should be amber-colored or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details

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