Description

1-Ethynyl-4-Phenoxybenzene is a specialized aromatic acetylene derivative with a unique molecular scaffold combining phenoxy and ethynyl functionalities. This compound matters as a versatile and high-value chemical building block for advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical and advanced materials sectors for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly for constructing complex heterocycles and conjugated systems.
• Liquid Crystal & OLED Materials: Serves as a core building block for developing advanced organic electronic materials, including charge-transport layers and emissive compounds.
• Polymer & Resin Modification: Used to introduce rigid, aromatic acetylene groups into polymer backbones to enhance thermal stability and mechanical properties.
• Agrochemical Synthesis: Employed in the research and development of novel pesticides and herbicides requiring specific aromatic-acetylene motifs.
• Cross-Coupling Reactions: An excellent substrate for Sonogashira, Heck, and other palladium-catalyzed cross-coupling reactions to form carbon-carbon bonds.
• Academic & Industrial R&D: A valuable reagent for methodological studies in synthetic organic chemistry and materials science research.

Basic Information

Product Name	1-Ethynyl-4-Phenoxybenzene
CAS No.	4200-06-0
Molecular Formula	C14H10O
Molecular Weight	194.23 g/mol
Synonyms	4-Phenoxyphenylacetylene; p-Phenoxyphenylacetylene; (4-Phenoxyphenyl)ethyne; 1-Ethynyl-4-phenoxybenzene; 4-Ethynylphenoxybenzene; 4-Phenoxybenzeneacetylene; Phenoxy phenyl acetylene
EINECS	Contact for details

Quality Control

Our 1-Ethynyl-4-Phenoxybenzene is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure compliance with exacting R&D and process chemistry standards. Comprehensive Certificates of Analysis (COA) detailing all specifications are provided to guarantee batch-to-batch consistency and traceability.

Storage

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

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.