Description

(E)-1,1,1-Trichloro-4-Ethoxy-But-3-En-2-One is a specialized organic intermediate featuring a reactive α,β-unsaturated ketone moiety functionalized with trichloromethyl and ethoxy groups. This unique structure makes it a valuable building block for synthesizing complex molecules in fine chemical and pharmaceutical research. It is primarily sought after by R&D chemists and process development scientists in the agrochemical, pharmaceutical, and advanced material sectors for constructing heterocycles and other functionalized target compounds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring the introduction of trichloromethyl or specific ketone functionalities.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its reactive enone system.
• Fine Chemical Production: Serves as a versatile electrophile in Michael addition reactions and cyclization processes to create complex organic molecules.
• Material Science Research: Potential building block for developing specialty polymers or organic ligands with specific electronic properties.
• Academic & Industrial R&D: Employed in methodological chemistry research and process optimization for scale-up studies.

Basic Information

Product Name	(E)-1,1,1-Trichloro-4-Ethoxy-But-3-En-2-One
CAS No.	59938-07-7
Molecular Formula	C6H7Cl3O2
Molecular Weight	217.48 g/mol
Synonyms	4-Ethoxy-1,1,1-trichloro-3-buten-2-one; 1,1,1-Trichloro-4-ethoxy-3-buten-2-one; (E)-4-Ethoxy-1,1,1-trichlorobut-3-en-2-one; Ethyl (E)-4,4,4-trichloro-3-oxobut-1-en-1-yl ether; 3-Buten-2-one, 1,1,1-trichloro-4-ethoxy-, (E)-; Trichloroethoxybutenone
EINECS	Contact for details

Quality Control

Our (E)-1,1,1-Trichloro-4-Ethoxy-But-3-En-2-One is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each 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). Keep away from strong acids and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain stability.

Specification

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

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