Description

1,4-Bis(2-Hydroxyethoxy)-2-Butyne is a specialized diol ether compound featuring a central butyne moiety. This chemical is valued for its dual hydroxyl functionality and ether linkages, making it a versatile building block and reactive intermediate in advanced synthesis. It is primarily sought by R&D and production chemists in the pharmaceutical, polymer, and specialty chemical industries for applications requiring controlled reactivity and specific molecular architecture.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the production of active pharmaceutical ingredients (APIs), particularly for compounds requiring specific spacer or linker groups.
• Polymer & Resin Modifier: Used as a monomer or cross-linking agent to introduce ether and hydroxyl groups into polymer backbones, enhancing flexibility, adhesion, or hydrophilicity.
• Specialty Surfactant Synthesis: Acts as a hydrophilic head group or spacer in the synthesis of non-ionic surfactants and emulsifiers for specialized formulations.
• Chemical Cross-linker: Utilized in creating covalently cross-linked networks for hydrogels, coatings, and adhesives where its alkyne group can enable "click chemistry" reactions.
• Liquid Crystal & Electronic Materials: Employed as a building block for mesogenic compounds or conductive polymers due to its rigid-yet-flexible structure.
• Organic Synthesis Reagent: Functions as a protected or functionalized diol equivalent in multi-step synthetic routes for complex organic molecules.

Basic Information

Product Name	1,4-Bis(2-Hydroxyethoxy)-2-Butyne
CAS No.	1605-85-5
Molecular Formula	C8H14O4
Molecular Weight	174.19 g/mol
Synonyms	2-Butyne-1,4-diol bis(2-hydroxyethyl ether); 1,4-Bis(2-hydroxyethoxy)-2-butyne; 2,2'-(2-Butyne-1,4-diylbis(oxy))diethanol; Diethylene glycol but-2-yne-1,4-diyl ether; But-2-yne-1,4-diyl bis(2-hydroxyethyl) ether; 1,4-Di(2-hydroxyethoxy)-2-butyne
EINECS	Contact for details

Quality Control

Our 1,4-Bis(2-Hydroxyethoxy)-2-Butyne is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, identity, and impurity profiles are provided and available upon request to support your quality and regulatory 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 oxidizing agents and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (20°C)	1.470 - 1.480
Density (20°C)	1.10 - 1.20 g/mL

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