Description

1,4-Bis(2-Hydroxyethoxy)-2-Butyne is a versatile diol ether compound characterized by its terminal hydroxyl groups and internal alkyne functionality. This unique bifunctional structure makes it a valuable intermediate for synthesizing specialty polymers, cross-linking agents, and functional materials. It is primarily sought by R&D and production teams in the polymer, pharmaceutical, and specialty chemical industries for applications requiring precise molecular architecture and reactivity.

Application

• Polymer Synthesis: Serves as a monomer or chain extender for producing polyesters, polyurethanes, and other specialty polymers, imparting specific properties like flexibility or cross-linking sites.
• Cross-linking Agent: Used in the formulation of coatings, adhesives, and elastomers where its alkyne and hydroxyl groups can participate in curing reactions.
• Pharmaceutical Intermediates: Acts as a key building block in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Dendrimer and Hyperbranched Polymer Construction: Utilized as a core or branching unit due to its symmetrical, multifunctional design.
• Surface Modification: Employed to create functionalized surfaces with specific chemical reactivity for advanced material science applications.
• Liquid Crystal and OLED Materials: Functions as a precursor in the development of advanced electronic and display materials.

Basic Information

Product Name	1,4-Bis(2-Hydroxyethoxy)-2-Butyne
CAS No.	1606-85-5
Molecular Formula	C8H14O4
Molecular Weight	174.19 g/mol
Synonyms	2-Butyne-1,4-diol bis(2-hydroxyethyl ether); 1,4-Bis(2-hydroxyethoxy)but-2-yne; Diethylene glycol but-2-yne-1,4-diyl ether; 2,2'-(But-2-yne-1,4-diylbis(oxy))diethanol; But-2-yne-1,4-diol di(2-hydroxyethyl) ether; Contact for additional synonyms.
EINECS	216-527-8

Quality Control

Our 1,4-Bis(2-Hydroxyethoxy)-2-Butyne is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, identity (IR), and impurity profiles is provided with every shipment to guarantee it meets your precise application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Water Content	≤ 0.5%

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