Description

3-Buten-2-One, 4-[(1-Methylene-2-Propynyl)Oxy]-, (3E)- (9Ci) is a specialized organic compound featuring a conjugated enone system with a propargyl ether moiety, making it a valuable building block in advanced organic synthesis. Its unique molecular architecture provides a versatile handle for constructing complex molecules, particularly in the development of pharmaceuticals and agrochemicals. This high-purity intermediate is essential for research chemists and process development scientists in fine chemical and life science industries seeking to introduce specific functional groups and stereochemistry.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring specific alkene and alkyne functionalities.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers with tailored properties.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for Diels-Alder reactions, Michael additions, and other cyclization processes to create complex heterocycles.
• Flavor and Fragrance Industry: Potential intermediate for the synthesis of specific aroma chemicals, though typically at research scale.

Basic Information

Product Name	3-Buten-2-One, 4-[(1-Methylene-2-Propynyl)Oxy]-, (3E)- (9Ci)
CAS No.	228850-94-0
Molecular Formula	C8H8O2
Molecular Weight	136.15 g/mol
Synonyms	(3E)-4-[(1-Methylene-2-propynyl)oxy]-3-buten-2-one; 4-[(1-Methylene-2-propynyl)oxy]-3-buten-2-one, (3E)-; 3-Buten-2-one, 4-[(1-methylene-2-propynyl)oxy]-, (3E)-; (E)-4-((1-Methyleneprop-2-yn-1-yl)oxy)but-3-en-2-one; Propargyl ether of (E)-4-hydroxybut-3-en-2-one; (E)-4-(Prop-2-ynylidene methoxy)but-3-en-2-one
EINECS	Contact for details

Quality Control

Our 3-Buten-2-One, 4-[(1-Methylene-2-Propynyl)Oxy]-, (3E)- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance for your synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This compound may be light-sensitive and should be handled under an inert atmosphere for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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