Description

1,4-Diethynyl-2,5-Dimethoxybenzene is a specialized organic building block featuring a central benzene ring symmetrically substituted with ethynyl and methoxy groups. This unique molecular architecture makes it a valuable precursor in advanced materials science and pharmaceutical research. It is primarily sought after by R&D chemists and process engineers in the fine chemical and electronics industries for constructing complex molecular frameworks.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those with conjugated aromatic systems.
• Organic Electronic Materials: Used as a monomer or precursor for developing conductive polymers, organic semiconductors, and light-emitting materials for OLEDs and OFETs.
• Metal-Organic Framework (MOF) Synthesis: Acts as a functionalized linker to create porous coordination polymers with tailored properties for gas storage or catalysis.
• Advanced Polymer Chemistry: Employed in the production of high-performance polymers like poly(arylene ethynylene)s via Sonogashira or Glaser coupling reactions.
• Ligand and Catalyst Development: Functionalized to create sophisticated ligands for transition metal catalysts used in cross-coupling reactions.
• Research & Development: A crucial compound in academic and industrial R&D labs for exploring new synthetic methodologies and material properties.

Basic Information

Product Name	1,4-Diethynyl-2,5-Dimethoxybenzene
CAS No.	74029-40-6
Molecular Formula	C12H10O2
Molecular Weight	186.21 g/mol
Synonyms	2,5-Dimethoxy-1,4-diethynylbenzene; 1,4-Bis(ethynyl)-2,5-dimethoxybenzene; p-Diethynyl-dimethoxybenzene; DEDMB; 2,5-Dimethoxyphenyl-1,4-diacetylene
EINECS	Contact for details

Quality Control

Our production of 1,4-Diethynyl-2,5-Dimethoxybenzene adheres to stringent quality management protocols. Each batch is characterized using advanced analytical techniques including HPLC, GC-MS, and NMR to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all relevant specifications are 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). This compound may be light-sensitive and should be handled under an inert atmosphere for long-term storage to prevent potential oxidation.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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