Description

Ethyl 3-Chlorobut-2-Enoate is a versatile chlorinated ester building block with significant synthetic utility. Its value lies in its role as a key intermediate for introducing functionalized butenoate moieties into more complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical sectors, where it is used to synthesize active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring a functionalized α,β-unsaturated ester framework.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and fungicides, leveraging its reactive halogen and alkene functionalities.
• Organic Synthesis Reagent: Serves as a Michael acceptor or an electrophile in various carbon-carbon and carbon-heteroatom bond-forming reactions for laboratory and industrial-scale chemistry.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, fragrances, and advanced material precursors.
• Polymer Chemistry: Can act as a monomer or co-monomer for synthesizing specialty polymers with unique properties.
• Cross-Coupling Reactions: A potential substrate in palladium-catalyzed cross-coupling reactions (e.g., Heck, Suzuki) to create complex organic molecules.

Basic Information

Product Name	Ethyl 3-Chlorobut-2-Enoate
CAS No.	38624-62-3
Molecular Formula	C6H9ClO2
Molecular Weight	148.59 g/mol
Synonyms	Ethyl 3-Chlorocrotonate; 3-Chlorobut-2-enoic Acid Ethyl Ester; 3-Chlorocrotonic Acid Ethyl Ester; Ethyl β-Chlorocrotonate; NSC 404058; 2-Butenoic acid, 3-chloro-, ethyl ester; Ethyl (E)-3-chlorobut-2-enoate
EINECS	Contact for details

Quality Control

Our Ethyl 3-Chlorobut-2-Enoate is produced under stringent quality management systems. Every batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure high purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flames. This material is moisture-sensitive; ensure containers are kept tightly sealed to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%
Total Impurities	≤ 3.0%

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