Description

3-Buten-2-One, 4-Ethoxy-1,1-Difluoro-, (3E)- is a specialized fluorinated building block of significant interest in advanced organic synthesis. This compound matters for its unique molecular architecture, featuring a difluoroalkene moiety adjacent to an ethoxy-substituted enone system, which enables precise control over reactivity and stereochemistry in complex molecular constructions. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key synthon for constructing fluorinated bioactive molecules, including potential APIs (Active Pharmaceutical Ingredients).
• Agrochemical Synthesis: Used in the development of novel herbicides, pesticides, and fungicides where fluorine incorporation enhances biological activity and environmental stability.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the synthesis of specialty polymers with tailored surface properties.
• Liquid Crystal & OLED Materials: A valuable intermediate for creating fluorinated components in electronic display and lighting technologies.
• Fluorine Chemistry Research: An essential reagent for academic and industrial R&D exploring new reactions and methodologies involving fluorinated olefins.
• Fine Chemical Production: Employed in multi-step syntheses of complex, high-value fluorinated compounds for various industrial applications.

Basic Information

Product Name	3-Buten-2-One, 4-Ethoxy-1,1-Difluoro-, (3E)-
CAS No.	285135-89-9
Molecular Formula	C6H8F2O2
Molecular Weight	150.12 g/mol
Synonyms	(3E)-4-Ethoxy-1,1-difluorobut-3-en-2-one; 4-Ethoxy-1,1-difluoro-3-buten-2-one (E)-; 1,1-Difluoro-4-ethoxy-3-buten-2-one; (E)-1,1-Difluoro-4-ethoxy-3-buten-2-one; 3-Buten-2-one, 4-ethoxy-1,1-difluoro-, (3E)-; Ethyl (E)-4,4-difluoro-3-oxobut-1-en-1-yl ether
EINECS	Contact for details

Quality Control

Our 3-Buten-2-One, 4-Ethoxy-1,1-Difluoro-, (3E)- is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatographic purity assessment and structural confirmation, to ensure it meets the high standards required for research and process chemistry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials. Due to its fluoride/strong alkali chemical property, ensure segregation from basic compounds.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Isomer Ratio (E/Z) (GC or HPLC)	≥ 95:5 (E:Z)

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