Description

Ethyl 3-Ethoxy-cis-Crotonate is a versatile ester derivative of crotonic acid, valued for its role as a key synthetic intermediate and building block in organic chemistry. Its structure makes it a valuable reagent for constructing complex molecules through reactions like Michael additions and cyclizations. This compound is primarily sought by the pharmaceutical, agrochemical, and specialty chemical industries for research, development, and production processes.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and complex heterocyclic compounds.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Production: Acts as a key reagent in the manufacture of flavors, fragrances, and other high-value specialty chemicals.
• Polymer Chemistry: Can be utilized as a monomer or modifier in the synthesis of specialty polymers and coatings.
• Academic & Industrial R&D: Employed in research laboratories for methodological development and exploring new synthetic pathways.
• Cross-Coupling Reactions: Functions as an acceptor in various metal-catalyzed coupling reactions to form carbon-carbon bonds.

Basic Information

Product Name	Ethyl 3-Ethoxy-crotonate
CAS No.	5331-73-7
Molecular Formula	C8H14O3
Molecular Weight	158.20 g/mol
Synonyms	Ethyl (Z)-3-ethoxy-2-butenoate; Ethyl 3-ethoxybut-2-enoate; (Z)-Ethyl 3-ethoxycrotonate; cis-Ethyl 3-ethoxycrotonate; 3-Ethoxycrotonic Acid Ethyl Ester; 2-Butenoic acid, 3-ethoxy-, ethyl ester, (Z)-; Ethyl β-ethoxycrotonate
EINECS	226-228-7

Quality Control

Our Ethyl 3-Ethoxy-cis-Crotonate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of our global B2B clients. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee supply chain transparency and product reliability.

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 strong bases and incompatible materials such as strong oxidizing agents. The container should be kept tightly sealed when not in use to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Isomeric Purity (cis-isomer)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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