Description

2-Butyne-1,4-Diol Diacetate is a versatile acetylated derivative of 2-Butyne-1,4-diol, serving as a key chemical intermediate and monomer. This compound is valued for its ability to introduce both acetylene and ester functionalities into polymer chains and specialty organic syntheses. It is primarily sought by manufacturers in the polymer, coatings, and fine chemical industries for applications requiring cross-linking, adhesion promotion, and the synthesis of advanced materials.

Application

• Polymer & Resin Modification: Acts as a reactive diluent and cross-linking agent in the production of specialty polymers, including unsaturated polyester resins and polyurethanes, enhancing hardness and chemical resistance.
• Coating & Adhesive Formulations: Used to improve the adhesion, durability, and drying properties of industrial coatings, inks, and high-performance adhesives.
• Chemical Synthesis Intermediate: Serves as a crucial building block in organic synthesis for pharmaceuticals, agrochemicals, and liquid crystal materials, leveraging its acetylene and ester groups.
• Corrosion Inhibitor Precursor: Employed in the formulation of additives for metalworking fluids and industrial coolants to provide protective properties.
• Photoresist & Electronic Chemicals: Utilized in the manufacture of photoresists and other electronic chemicals where precise polymer properties are critical.

Basic Information

Product Name	2-Butyne-1,4-Diol Diacetate
CAS No.	1573-17-7
Molecular Formula	C8H10O4
Molecular Weight	170.16 g/mol
Synonyms	1,4-Diacetoxy-2-butyne; 2-Butyne-1,4-diol diacetate; But-2-yne-1,4-diol diacetate; 2-Butynediol diacetate; Acetylene dicarbinol diacetate; 1,4-Di(acetoxy)but-2-yne; 2-Butyne-1,4-diol, diacetate; But-2-yne-1,4-diyl diacetate
EINECS	216-381-9

Quality Control

Our 2-Butyne-1,4-Diol Diacetate is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure it meets precise purity and consistency standards. A Certificate of Analysis (COA) detailing specific results for identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at ambient temperature (15-25°C). Keep away from heat sources, open flames, and incompatible materials such as strong oxidizers and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acidity (as Acetic Acid)	≤ 0.1%

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