Description

3-Butyn-2-One, 4-Ethoxy- (9Ci) is a specialized acetylene derivative and a versatile chemical building block. This compound is valued for its reactive terminal alkyne and ketone functionalities, enabling its use in advanced organic synthesis and pharmaceutical research. It is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and fine chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel active pharmaceutical ingredients (APIs), particularly those containing heterocyclic or alkyne-linked structures.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators requiring specific alkyne-based side chains.
• Material Science: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced materials with tailored properties.
• Click Chemistry: An ideal substrate for copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions, facilitating the rapid synthesis of 1,2,3-triazoles for drug discovery and bioconjugation.
• Organic Synthesis: Employed in various carbon-carbon bond-forming reactions, including nucleophilic additions and metal-catalyzed couplings, to create complex organic molecules.

Basic Information

Product Name	3-Butyn-2-One, 4-Ethoxy- (9Ci)
CAS No.	93279-40-4
Molecular Formula	C6H8O2
Molecular Weight	112.13 g/mol
Synonyms	4-Ethoxy-3-butyn-2-one; 1-Ethoxy-3-butyn-2-one; 4-Ethoxybut-3-yn-2-one; 3-Butyn-2-one, 4-ethoxy-; Ethoxybutynone
EINECS	Contact for details

Quality Control

Our 3-Butyn-2-One, 4-Ethoxy- (9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatography (HPLC/GC) and spectroscopy (NMR, IR), to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications for research and industrial use.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at a controlled room temperature (15-25°C). Due to its highly volatile nature, ensure containers are kept tightly sealed when not in use to prevent evaporation and potential concentration changes.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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