Description

1,2-Bis-Octyloxy-4-Ethynyl-Benzene is a specialized aromatic ether derivative featuring an ethynyl functional group, making it a valuable intermediate in advanced organic synthesis. This compound is particularly significant for its role in constructing complex molecular architectures, such as liquid crystals, organic semiconductors, and pharmaceutical scaffolds. It is primarily needed by R&D chemists and process development scientists in the fine chemical, advanced material, and pharmaceutical industries for creating novel functional molecules.

Application

• Liquid Crystal Synthesis: A key building block for creating novel mesogenic compounds used in display technologies.
• Organic Semiconductor Precursor: Serves as a monomer or intermediate in the synthesis of conjugated polymers and small molecules for OLEDs and OFETs.
• Pharmaceutical Intermediate: Used in the research and development of new drug candidates, particularly those requiring rigid, aromatic backbones.
• Material Science Research: Employed in the development of advanced polymers, dendrimers, and supramolecular structures.
• Cross-coupling Reactions: The ethynyl group makes it a suitable substrate for Sonogashira and other palladium-catalyzed coupling reactions.
• Ligand and Catalyst Development: Useful for synthesizing specialized ligands for metal-organic frameworks (MOFs) or homogeneous catalysis.

Basic Information

Product Name	1,2-Bis-Octyloxy-4-Ethynyl-Benzene
CAS No.	179129-14-7
Molecular Formula	C₂₄H₃₈O₂
Molecular Weight	358.56 g/mol
Synonyms	4-Ethynyl-1,2-bis(octyloxy)benzene; 1,2-Dioctyloxy-4-ethynylbenzene; Benzene, 1,2-bis(octyloxy)-4-ethynyl-; 4-Ethynylcatechol dioctyl ether; 1,2-Bis(n-octyloxy)-4-ethynylbenzene
EINECS	Contact for details

Quality Control

Our 1,2-Bis-Octyloxy-4-Ethynyl-Benzene is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing 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, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. For long-term storage, consider storing under an inert atmosphere such as nitrogen or argon to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 10 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.