Description

Triethylene Glycol Mono(2-Propynyl) Ether is a specialized organic compound featuring a terminal alkyne group, making it a valuable reactive intermediate for advanced chemical synthesis. Its bifunctional nature, combining the hydrophilic polyether chain with a highly reactive propargyl moiety, enables its use in click chemistry, polymer modification, and cross-linking applications. This chemical is essential for R&D and production in industries such as pharmaceuticals, specialty polymers, and advanced material science.

Application

• Click Chemistry Reagent: A key building block for Huisgen 1,3-dipolar cycloaddition (copper-catalyzed azide-alkyne cycloaddition, CuAAC) reactions to create triazole linkages.
• Polymer & Resin Modification: Used to introduce hydrophilic, cross-linkable propargyl groups into polymer backbones, coatings, and adhesives.
• Pharmaceutical Intermediate: Serves as a synthon for creating prodrugs, diagnostic agents, and bioconjugates via its reactive alkyne functionality.
• Surface Functionalization: Employed to modify material surfaces (e.g., nanoparticles, sensors) with polyether chains for improved biocompatibility or specific reactivity.
• Cross-linking Agent: Acts as a co-monomer or cross-linker in the synthesis of hydrogels and other three-dimensional polymer networks.
• Specialty Chemical Synthesis: A versatile intermediate for synthesizing more complex molecules in agrochemical and material science research.

Basic Information

Item	Details
Product Name	Triethylene Glycol Mono(2-Propynyl) Ether
CAS No.	208827-90-1
Molecular Formula	C9H16O4
Molecular Weight	188.22 g/mol
Synonyms	2-Propargyltriethylene Glycol; Propargyl Triethylene Glycol Ether; 2-(2-(2-(Prop-2-yn-1-yloxy)ethoxy)ethoxy)ethanol; Triethylene Glycol Propargyl Ether; TEG Propargyl Ether; 3-Oxa-8-decyn-1-ol; 2-[2-[2-(Prop-2-yn-1-yloxy)ethoxy]ethoxy]ethanol
EINECS	Contact for details

Quality Control

Our Triethylene Glycol Mono(2-Propynyl) Ether is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay (by GC/HPLC), identity confirmation (IR, NMR), and impurity profiling, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing all specifications and test results is provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizers and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20/D)	1.450 - 1.460
Density (g/mL at 20°C)	1.05 - 1.10

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