Description

3,4-Dichloroisocrotonic Acid Ethyl Ester is a specialized organic ester derivative of dichloroisocrotonic acid, serving as a versatile and high-purity chemical intermediate. Its value lies in its reactive dichloro and ester functional groups, which make it a critical building block for synthesizing more complex molecules in advanced chemical manufacturing. This compound is essential for R&D chemists and production units in the pharmaceutical and agrochemical industries, where it is used to develop active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a dichlorinated backbone.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides, leveraging its reactive sites for structural modification.
• Organic Synthesis Building Block: Employed in academic and industrial laboratories for constructing complex heterocyclic compounds and other specialty organic molecules.
• Material Science Research: Acts as a monomer or modifying agent in the development of specialty polymers with specific functional properties.

Basic Information

Product Name	3,4-Dichloroisocrotonic Acid Ethyl Ester
CAS No.	18431-99-7
Molecular Formula	C7H8Cl2O3
Molecular Weight	211.04 g/mol
Synonyms	Ethyl 3,4-Dichloroisocrotonate; Ethyl 3,4-Dichloro-2-butenoate; 3,4-Dichloro-2-butenoic Acid Ethyl Ester; 2-Butenoic acid, 3,4-dichloro-, ethyl ester; Ethyl (E)-3,4-dichlorobut-2-enoate; 18431-99-7; NSC 163046
EINECS	Contact for details

Quality Control

Our 3,4-Dichloroisocrotonic Acid Ethyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatographic purity assays and identity confirmation, to ensure it meets the high standards required for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container must be kept tightly closed to prevent moisture absorption and potential degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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