Description

2-Chloro-2-Butenedioic Acid Dimethyl Ester is a versatile chlorinated unsaturated diester, serving as a key synthetic intermediate in advanced organic synthesis. Its reactive chloro and alkene functionalities make it valuable for constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. This compound is essential for chemists and manufacturers in fine chemical, pharmaceutical, and material science industries seeking to develop novel active ingredients and specialty polymers.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing active pharmaceutical ingredients (APIs), especially those containing maleic acid derivatives or chlorinated heterocycles.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its reactive sites for creating bioactive molecules.
• Polymer & Material Science: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers, resins, and functional materials.
• Fine Chemical Production: Employed in multi-step organic synthesis for creating complex dyes, pigments, and other high-value chemical products.
• Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new chemical reactions and developing novel synthetic methodologies.

Basic Information

Item	Details
Product Name	2-Chloro-2-Butenedioic Acid Dimethyl Ester
CAS No.	19393-45-4
Molecular Formula	C6H7ClO4
Molecular Weight	178.57 g/mol
Synonyms	Dimethyl 2-Chlorofumarate; 2-Chlorofumaric Acid Dimethyl Ester; (2Z)-2-Chlorobut-2-enedioic Acid Dimethyl Ester; (Z)-2-Chlorobut-2-enedioic Acid Dimethyl Ester; Methyl 2-Chlorofumarate; 2-Chloro-2-butenedioic Acid, Dimethyl Ester; Fumaric Acid, 2-Chloro-, Dimethyl Ester
EINECS	Contact for details

Quality Control

Our 2-Chloro-2-Butenedioic Acid Dimethyl Ester is produced under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography (HPLC/GC) and spectroscopy (IR, NMR), to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical parameters are available upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 2-8°C for long-term stability. The product is moisture-sensitive; keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.