Description

Benzonitrile, 4,4'-(1,3-Butadiyne-1,4-Diyl)Bis- is a specialized organic compound featuring a conjugated diyne core symmetrically linked to two benzonitrile groups. This unique molecular architecture makes it a valuable building block for advanced materials and pharmaceutical research. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and material science sectors for synthesizing complex molecules and functional polymers.

Application

• Pharmaceutical Intermediate: Serves as a key synthon for the development of novel active pharmaceutical ingredients (APIs), particularly those requiring rigid, linear conjugated structures.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents and herbicides.
• Material Science Precursor: Acts as a monomer or cross-linking agent in the synthesis of conjugated polymers, organic semiconductors, and liquid crystals.
• Organic Electronic Materials: Employed in the development of organic light-emitting diodes (OLEDs) and photovoltaic materials due to its electron-withdrawing nitrile groups and extended π-system.
• Chemical Research (R&D): A versatile reagent for coupling reactions (e.g., Sonogashira, Glaser-Hay) and for constructing complex molecular frameworks in academic and industrial laboratories.
• Ligand Synthesis: Used to prepare specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Item	Details
Product Name	Benzonitrile, 4,4'-(1,3-Butadiyne-1,4-Diyl)Bis-
CAS No.	103140-39-2
Molecular Formula	C₁₈H₈N₂
Molecular Weight	252.27 g/mol
Synonyms	1,4-Di(4-cyanophenyl)-1,3-butadiyne; 4,4'-(Buta-1,3-diyne-1,4-diyl)dibenzonitrile; Bis(4-cyanophenyl)butadiyne; p,p'-Dicyanodiphenylbutadiyne; 4-Cyanophenylbutadiyne; 1,4-Bis(4-cyanophenyl)-1,3-butadiyne; Dicyanodiphenylbutadiyne
EINECS	Contact for details

Quality Control

Our Benzonitrile, 4,4'-(1,3-Butadiyne-1,4-Diyl)Bis- is produced under stringent conditions to ensure batch-to-batch consistency and high purity. We employ advanced analytical techniques including HPLC, GC, NMR, and IR spectroscopy for comprehensive characterization. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.