Description

4-Methoxy-3-Buten-2-One is a versatile, highly volatile chemical intermediate featuring a reactive α,β-unsaturated ketone structure. This compound is valued for its role as a key building block in organic synthesis, enabling the introduction of methoxy and carbonyl functionalities. It is primarily sought by the pharmaceutical, agrochemical, and fine chemical industries for the development of active ingredients and complex molecules.

Application

• Pharmaceutical Intermediate: A key synthon in the production of active pharmaceutical ingredients (APIs), particularly those requiring specific carbonyl and alkene functionalities.
• Agrochemical Synthesis: Used in the manufacture of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other specialty organic compounds.
• Organic Synthesis Building Block: Utilized in Michael additions, cyclization reactions, and other transformations to construct complex molecular frameworks in R&D.
• Material Science Research: Investigated as a monomer or cross-linking agent in the development of novel polymeric materials.

Basic Information

Item	Details
Product Name	4-Methoxy-3-Buten-2-One
CAS No.	51731-17-0
Molecular Formula	C5H8O2
Molecular Weight	100.12 g/mol
Synonyms	3-Buten-2-one, 4-methoxy-; 4-Methoxybut-3-en-2-one; 1-Methoxy-1-buten-3-one; 3-Methoxy-3-buten-2-one; Methyl β-methoxyvinyl ketone; β-Methoxyvinyl methyl ketone
EINECS	Contact for details

Quality Control

Our 4-Methoxy-3-Buten-2-One is produced under stringent quality management systems. Each batch undergoes rigorous analytical testing, including GC/HPLC for purity and identity confirmation via FTIR and NMR, to ensure it meets exacting standards for high-purity intermediates. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area at controlled room temperature (15-25°C). Due to its highly volatile nature, keep away from heat, sparks, and open flame. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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