Description

Benzene, 1,1'-(1,2-Ethynediyl)Bis[4-(1,1-Dimethylethyl)- is a specialized organic compound featuring a central ethynediyl bridge connecting two tert-butyl-substituted benzene rings, making it a valuable advanced intermediate for complex molecular synthesis. Its unique structure provides a rigid, conjugated backbone that is crucial for developing materials with specific electronic and optical properties. This compound is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors for constructing novel molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system disorders.
• Agrochemical Synthesis: Used in the research and development of new generation herbicides and fungicides, where its bulky aromatic structure can influence biological activity.
• Organic Electronic Materials: Acts as a precursor for organic semiconductors, hole-transport materials, or emissive layers in OLED (Organic Light-Emitting Diode) devices due to its conjugated system.
• Ligand Synthesis for Catalysis: Employed to create sophisticated phosphine or nitrogen-donor ligands for transition metal catalysts used in asymmetric synthesis.
• Polymer & Resin Modifier: Incorporated into polymer backbones to enhance thermal stability, rigidity, or refractive index in high-performance engineering plastics and coatings.
• Research & Development: A vital tool in academic and industrial laboratories for exploring new reactions in cross-coupling and alkyne chemistry.

Basic Information

Product Name	Benzene, 1,1'-(1,2-Ethynediyl)Bis[4-(1,1-Dimethylethyl)-
CAS No.	61440-86-6
Molecular Formula	C22H26
Molecular Weight	290.45 g/mol
Synonyms	1,1'-(1,2-Ethynediyl)bis[4-tert-butylbenzene]; 4,4'-(1,2-Ethynediyl)bis(tert-butylbenzene); 1,4-Bis(4-tert-butylphenyl)buta-1,3-diyne; Di-tert-butyl-diphenylacetylene; 4,4'-Di-tert-butyltolane; 1,2-Bis(4-tert-butylphenyl)ethyne; p,p'-Di-tert-butyl diphenylacetylene
EINECS	Contact for details

Quality Control

Every batch of Benzene, 1,1'-(1,2-Ethynediyl)Bis[4-(1,1-Dimethylethyl)- is produced and controlled under a strict quality management system. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles to ensure it meets your specific research or production requirements. Our quality commitment includes traceability and adherence to cGMP principles where applicable, supporting regulatory filings.

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 the container sealed to prevent contamination and moisture absorption. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%
Related Substances (HPLC)	Total impurities < 3.0%

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