Description

2-(2-(2-(4-Ethynylphenoxy)Ethoxy)Ethoxy)Ethanol is a specialized organic compound featuring a terminal alkyne group and a polyether alcohol chain, making it a valuable bifunctional building block. This unique structure is critical for applications requiring precise molecular conjugation and controlled polymerization. It is primarily utilized by researchers and manufacturers in the pharmaceutical, advanced materials, and polymer science sectors for developing novel drug delivery systems, functional polymers, and specialty coatings.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs, particularly for targeted therapies.
• Polymer & Material Science: Acts as a functional monomer or cross-linker for creating advanced polymers, dendrimers, and hydrogels with tailored properties.
• Click Chemistry Reagent: The terminal alkyne group enables efficient Huisgen 1,3-dipolar cycloaddition (click chemistry) for bioconjugation and material surface functionalization.
• Surface Modification Agent: Used to modify nanoparticles, sensors, and chromatographic materials to impart specific surface functionalities.
• Liquid Crystal & OLED Materials: A building block for synthesizing organic electronic materials and liquid crystal compounds.
• Adhesive & Coating Formulations: Incorporated into specialty adhesives and coatings to enhance performance characteristics like adhesion and durability.

Basic Information

Product Name	2-(2-(2-(4-Ethynylphenoxy)Ethoxy)Ethoxy)Ethanol
CAS No.	365134-29-8
Molecular Formula	C₁₄H₁₈O₄
Molecular Weight	250.29 g/mol
Synonyms	4-(2-(2-(2-Hydroxyethoxy)ethoxy)ethoxy)phenylacetylene; 2,2'-(2-(4-Ethynylphenoxy)ethylazanediyl)diethanol; 4-Ethynylphenoxy-triethylene glycol; PEG3-alkyne phenol ether; Triethylene glycol mono(4-ethynylphenyl) ether; 2-[2-[2-(4-Ethynylphenoxy)ethoxy]ethoxy]ethanol
EINECS	Contact for details

Quality Control

Our 2-(2-(2-(4-Ethynylphenoxy)Ethoxy)Ethoxy)Ethanol is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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