Description

1-Buten-3-Yne, also known as vinylacetylene, is a fundamental gaseous hydrocarbon building block in organic synthesis. This highly reactive compound is valued for its conjugated enyne system, which serves as a versatile precursor for a wide range of specialty chemicals and advanced materials. It is primarily utilized by research institutions and industrial manufacturers in the fine chemical, polymer, and pharmaceutical intermediate sectors.

Application

• Chemical Synthesis Intermediate: A key starting material for the production of specialized monomers, pharmaceuticals, and agrochemicals.
• Polymer & Resin Production: Used in the synthesis of specialty polymers, elastomers, and synthetic rubbers.
• Fine Chemical Manufacturing: Serves as a precursor in the synthesis of complex organic molecules and active pharmaceutical ingredients (APIs).
• Research & Development: Employed in academic and industrial R&D for studying reaction mechanisms and developing new synthetic methodologies.
• Material Science: Investigated for use in creating novel carbon-based materials and advanced composites.

Basic Information

Product Name	1-Buten-3-Yne
CAS No.	689-97-4
Molecular Formula	C4H4
Molecular Weight	52.07 g/mol
Synonyms	Vinylacetylene; Butenyne; 1-Butene-3-yne; 3-Buten-1-yne; Monovinylacetylene; But-1-en-3-yne; 1-Buten-3-ine; Butenyne (Vinylacetylene)
EINECS	211-701-1

Quality Control

Our 1-Buten-3-Yne is produced and handled under stringent quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as purity and impurity profiles. Our quality systems are designed to meet the rigorous demands of research and industrial synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Due to its highly volatile and gaseous nature, store under an inert atmosphere (e.g., nitrogen or argon) in a cool, well-ventilated area, away from heat, sparks, and open flames. Cylinders should be secured in an upright position.

Specification

Item	Specification
Appearance	Colorless gas
Identification (IR)	Conforms
Purity (GC)	≥ 98.0%
Moisture (KF)	≤ 0.1%

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