Description

1,1':4',1''-Terphenyl, 4,4''-Diethynyl- is a specialized organic compound featuring a rigid terphenyl core functionalized with terminal ethynyl groups. This molecular structure is critical for its role as a high-performance building block in advanced materials science. It is primarily sought by researchers and manufacturers in the fields of organic electronics and polymer chemistry for developing novel conjugated systems.

Application

• Key monomer for the synthesis of rigid-rod conjugated polymers with tailored optoelectronic properties.
• Building block for organic semiconductors used in OLED (Organic Light-Emitting Diode) and OFET (Organic Field-Effect Transistor) research and development.
• Precursor for cross-linked polymer networks and high-temperature thermoset resins requiring enhanced thermal stability.
• Intermediate in the creation of molecular wires and advanced carbon-rich materials for nanotechnology applications.
• Component in metal-organic frameworks (MOFs) and coordination polymers due to its linear, rigid geometry and reactive terminal alkynes.
• Research chemical for studying acetylenic coupling reactions, such as Sonogashira and Glaser couplings.

Basic Information

Product Name	1,1':4',1''-Terphenyl, 4,4''-Diethynyl-
CAS No.	47230-46-6
Molecular Formula	C22H14
Molecular Weight	278.35 g/mol
Synonyms	4,4''-Diethynyl-1,1':4',1''-terphenyl; 4,4''-Diethynyl-p-terphenyl; p-Terphenyl-4,4''-diethyne; 1,1':4',1''-Terphenyl, 4,4''-diethynyl-; 4,4''-Bis(ethynyl)-1,1':4',1''-terphenyl; Diethynylterphenyl
EINECS	Contact for details

Quality Control

Our 1,1':4',1''-Terphenyl, 4,4''-Diethynyl- is produced and handled under strict quality protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is characterized using advanced analytical techniques including HPLC, GC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at room temperature (15-25°C) in a cool, dry, and well-ventilated place. Due to its sensitivity to oxidation, prolonged exposure to air should be minimized.

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.