Description

3-Bromo-4-Ethoxy-3-Buten-2-One is a versatile brominated enone derivative, a key building block in advanced organic synthesis. This compound matters for its role as a reactive intermediate, enabling the construction of complex molecular frameworks through selective carbon-carbon and carbon-heteroatom bond formation. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial synthon for the synthesis of heterocyclic compounds and complex drug candidates.
• Agrochemical Synthesis: Used in the development of novel pesticides and herbicides, leveraging its reactive bromo and keto functionalities.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialized polymers and functional materials.
• Organic Synthesis Building Block: Employed in Michael additions, cyclization reactions, and nucleophilic substitution reactions to introduce ethoxy and bromo groups.
• Chemical Research & Development: A valuable reagent for methodology development and exploring new reaction pathways in academic and industrial labs.
• Fine Chemical Production: Integral to the multi-step synthesis of flavors, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	3-Bromo-4-Ethoxy-3-Buten-2-One
CAS No.	82982-59-0
Molecular Formula	C6H9BrO2
Molecular Weight	193.04 g/mol
Synonyms	3-Bromo-4-ethoxybut-3-en-2-one; 4-Ethoxy-3-bromo-3-buten-2-one; 3-Buten-2-one, 3-bromo-4-ethoxy-; Ethyl 3-bromoacetoacetate enol ether; 3-Bromoacetoacetic acid ethyl enol ether; Bromoethoxybutenone
EINECS	Contact for details

Quality Control

Our 3-Bromo-4-Ethoxy-3-Buten-2-One is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is moisture-sensitive (hygroscopic) and should be handled under an inert atmosphere for prolonged storage to maintain stability.

Specification

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