Description

(E)-1-Methoxy-1-Buten-3-Yne is a specialized acetylene derivative and a versatile building block in advanced organic synthesis. This compound matters for its unique conjugated enyne structure, which serves as a critical precursor for constructing complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for applications ranging from drug discovery to the development of novel polymers and electronic materials.

Application

• Pharmaceutical Intermediate: Serves as a key synthon in the synthesis of bioactive molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Material Science Research: Acts as a monomer or precursor for conjugated polymers and advanced organic electronic materials.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances.
• Academic & Industrial R&D: A valuable tool for methodology development in organic chemistry, including cycloaddition and cross-coupling reactions.

Basic Information

Product Name	(E)-1-Methoxy-1-Buten-3-Yne
CAS No.	3685-20-9
Molecular Formula	C5H6O
Molecular Weight	82.10 g/mol
Synonyms	1-Methoxy-1-buten-3-yne; (E)-1-Methoxybut-1-en-3-yne; 1-Buten-3-yne, 1-methoxy-, (E)-; Methoxyvinylacetylene; 1-Methoxy-1-buten-3-yne (E)-isomer
EINECS	Contact for details

Quality Control

Our (E)-1-Methoxy-1-Buten-3-Yne is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area. For long-term stability, it is recommended to store under an inert atmosphere at temperatures between 2°C and 8°C. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.