Description

1-[2-(4-Methoxyphenyl)-1-Ethynyl]-4-Propylbenzene is a specialized organic compound featuring a unique diarylacetylene core structure. This molecular architecture makes it a valuable advanced intermediate for the synthesis of complex molecules in pharmaceutical and materials science research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and organic electronics sectors for constructing novel chemical entities.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates, particularly those requiring rigid, conjugated frameworks.
• Agrochemical Research: Used in developing novel active ingredients for crop protection products.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for electron-transport or emissive layer materials due to its conjugated system.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or mesogenic core for creating advanced polymers and liquid crystalline materials.
• Academic & Industrial R&D: Employed in cross-coupling reactions and as a scaffold for exploring new chemical spaces in medicinal chemistry.
• Chemical Synthesis Reagent: Utilized in Sonogashira and other palladium-catalyzed coupling reactions to introduce specific arylacetylene functionalities.

Basic Information

Product Name	1-[2-(4-Methoxyphenyl)-1-Ethynyl]-4-Propylbenzene
CAS No.	39969-26-1
Molecular Formula	C18H18O
Molecular Weight	250.33 g/mol
Synonyms	4-Propyl-1-[2-(4-methoxyphenyl)ethynyl]benzene; 1-(4-Methoxyphenylethynyl)-4-propylbenzene; 4-Propyl-1-[(4-methoxyphenyl)ethynyl]benzene; 1-Ethynyl-4-propyl-2-(4-methoxyphenyl)benzene; p-Propylphenyl 4-methoxyphenylacetylene; (4-Propylphenyl)(4-methoxyphenyl)acetylene
EINECS	Contact for details

Quality Control

Our production of 1-[2-(4-Methoxyphenyl)-1-Ethynyl]-4-Propylbenzene adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research applications. Each lot is characterized using advanced analytical techniques including HPLC, GC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated place. Recommended long-term storage temperature is 2-8°C. Allow the sealed container to reach ambient temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 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.