Description

2-Methylene-3-Butyn-1-Ol is a highly reactive terminal alkyne and allylic alcohol, serving as a versatile bifunctional building block in advanced organic synthesis. Its unique structure, featuring both an acetylenic and a hydroxyl group on a short carbon chain, makes it invaluable for constructing complex molecular architectures. This compound is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty materials industries for creating novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key synthon for the construction of heterocyclic compounds, prostaglandin analogs, and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of advanced fungicides, herbicides, and plant growth regulators.
• Polymer & Material Science: Acts as a monomer or cross-linking agent for specialty polymers, coatings, and adhesives with tailored properties.
• Ligand & Catalyst Development: Serves as a precursor for sophisticated ligands in asymmetric catalysis and metal-organic frameworks (MOFs).
• Chemical Research (R&D): Employed in exploratory synthesis for new carbon-carbon and carbon-heteroatom bond-forming reactions.
• Fine Chemical Production: Integral to the multi-step synthesis of flavors, fragrances, and other high-value fine chemicals.

Basic Information

Product Name	2-Methylene-3-Butyn-1-Ol
CAS No.	84100-18-5
Molecular Formula	C5H6O
Molecular Weight	82.10 g/mol
Synonyms	2-Methylenebut-3-yn-1-ol; 3-Butyn-1-ol, 2-methylene-; 2-Methylenebut-3-ynol; 2-Methylene-3-butynol; 3-Butyn-2-methylene-1-ol; Propargyl carbinol, methylene-; HC≡CCH2C(OH)=CH2
EINECS	Contact for details

Quality Control

Our 2-Methylene-3-Butyn-1-Ol is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed specifications are provided for each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at 2-8°C under an inert atmosphere (e.g., nitrogen or argon). This compound is moisture-sensitive and may polymerize if exposed to heat or incompatible materials. Keep away from strong oxidizers, acids, and bases.

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.