Description

2-But-3-Ynyl-Oxirane is a specialized alkyne-substituted epoxide building block, identified by CAS NO 125455-85-8. This compound is valued for its unique bifunctional reactivity, offering both an epoxide ring and a terminal alkyne group for diverse synthetic transformations. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors for constructing complex molecular architectures, including novel polymers and bioactive intermediates.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the research and development of new active pharmaceutical ingredients (APIs), leveraging its epoxide and alkyne groups for click chemistry and ring-opening reactions.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and plant growth regulators where its molecular scaffold introduces specific biological activity.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers, resins, and coatings with tailored thermal or mechanical properties.
• Chemical Research & Development: A versatile building block in organic synthesis for constructing complex molecules, heterocycles, and dendrimers in academic and industrial laboratories.
• Ligand & Catalyst Development: Employed in the preparation of novel ligands for metal catalysis, utilizing the alkyne moiety for coordination or further functionalization.

Basic Information

Product Name	2-But-3-Ynyl-Oxirane
CAS No.	125455-85-8
Molecular Formula	C6H8O
Molecular Weight	96.13 g/mol
Synonyms	3-Butynyloxirane; 1,2-Epoxy-5-hexyne; 5-Hexyn-1-ol, 2,3-epoxide; Oxirane, 2-(3-butynyl)-; 2-(But-3-yn-1-yl)oxirane; But-3-ynyl-oxirane; 3-Butynyl glycidyl ether (related structure)
EINECS	Contact for details

Quality Control

Our 2-But-3-Ynyl-Oxirane is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and organic solvents. Recommended storage temperature is 2-8°C for extended stability. Keep container tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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