Description

Benzene, 1,3-Diethynyl-5-Methyl- (9Ci) is a specialized aromatic compound featuring two ethynyl groups, which makes it a valuable building block in advanced organic synthesis. This compound matters for its role as a key precursor in the development of complex molecular architectures, including polymers and pharmaceuticals. It is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials industries for creating novel compounds with tailored properties.

Application

• As a key monomer or cross-linking agent in the synthesis of specialty polymers and resins.
• As a versatile synthetic intermediate in pharmaceutical research for constructing complex drug molecules.
• In the development of advanced organic electronic materials, such as semiconductors or light-emitting compounds.
• As a building block for metal-organic frameworks (MOFs) and other porous materials in catalysis and gas storage.
• For the synthesis of novel ligands and catalysts used in asymmetric synthesis and other catalytic processes.
• In academic and industrial R&D for exploring new reactions and material properties.

Basic Information

Product Name	Benzene, 1,3-Diethynyl-5-Methyl- (9Ci)
CAS No.	165047-95-0
Molecular Formula	C11H8
Molecular Weight	140.18 g/mol
Synonyms	1,3-Diethynyl-5-methylbenzene; 5-Methyl-1,3-diethynylbenzene; m-Diethynyltoluene; 1-Methyl-3,5-diethynylbenzene; 3,5-Diethynyltoluene; Toluene, 3,5-diethynyl-; Benzene, 1,3-diethynyl-5-methyl-
EINECS	Contact for details

Quality Control

Our Benzene, 1,3-Diethynyl-5-Methyl- (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive (store away from light) and easily oxidized (store under inert atmosphere). For long-term storage, consider packaging under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
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.