Description

2-[2-[[4-(2-Hydroxyethoxy)-2-Butynyl]Oxy]Ethoxy]Ethanol is a specialized polyether diol compound characterized by its unique butynyl and ethoxy chain structure. This chemical is valued for its bifunctional reactivity, serving as a versatile building block and intermediate in advanced synthesis. It is primarily sought by manufacturers in the polymer, pharmaceutical, and specialty chemical industries for applications requiring controlled molecular architecture and functional group introduction.

Application

• As a key monomer or chain extender in the synthesis of specialty polyurethanes and polyesters, imparting specific flexibility and hydrophilicity.
• An intermediate in pharmaceutical synthesis for creating active pharmaceutical ingredients (APIs) with tailored solubility profiles.
• A reactive diluent or crosslinking agent in high-performance coatings, adhesives, and sealants formulations.
• Utilized in research and development for constructing complex dendrimers and other precisely engineered macromolecules.
• As a functional component in the production of surfactants and emulsifiers for specialized industrial processes.
• Potential use in the formulation of electronic chemicals, such as photoresist components or dielectric materials.

Basic Information

Product Name	2-[2-[[4-(2-Hydroxyethoxy)-2-Butynyl]Oxy]Ethoxy]Ethanol
CAS No.	84282-21-3
Molecular Formula	C10H16O5
Molecular Weight	216.23 g/mol
Synonyms	1,11-Bis(2-hydroxyethoxy)-3,9-dioxa-6-hexyn-1-ol; 2,2'-(3,9-Dioxa-6-hexyn-1,11-diyl)bis(ethanol); Diethylene glycol but-2-yne-1,4-diyl ether; 3,6,9-Trioxa-2,10-dodecanediol, 4,8-diyne-1,12-diol; PEG2 Butynediol Ether; But-2-yne-1,4-diol ethoxylate; Hydroxy-terminated butynyl PEG ether
EINECS	Contact for details

Quality Control

Our 2-[2-[[4-(2-Hydroxyethoxy)-2-Butynyl]Oxy]Ethoxy]Ethanol is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific batch results are available upon request. We support compliance with relevant regulatory frameworks for industrial and research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation and to minimize moisture uptake.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Refractive Index (20°C)	1.470 - 1.480
Density (20°C)	~1.15 g/cm³

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