Description

Monoethyl Fumarate CAS NO 2459-05-4 is the monoethyl ester of fumaric acid, a versatile chemical intermediate prized for its reactive double bond and ester functionality. This compound is crucial for synthesizing specialized polymers, pharmaceuticals, and fine chemicals where controlled esterification is required. It is primarily sought by manufacturers in the polymer, pharmaceutical, and agrochemical industries for its role as a building block in condensation reactions and copolymer formulations.

Application

• Polymer & Resin Intermediate: Serves as a key monomer or co-monomer in the production of unsaturated polyester resins (UPR) and specialty polymers.
• Pharmaceutical Synthesis: Used as a building block in the synthesis of active pharmaceutical ingredients (APIs) and prodrugs.
• Agrochemical Manufacturing: Acts as an intermediate in the production of certain pesticides and herbicides.
• Crosslinking Agent: Utilized in formulations for coatings, adhesives, and inks to enhance film properties and durability.
• Fine Chemical Production: Employed in organic synthesis for creating complex molecules in research and industrial scales.
• Food Additive Precursor: Can be used in the synthesis of derivatives related to food acidulants and preservatives.

Basic Information

Product Name	Monoethyl Fumarate
CAS No.	2459-05-4
Molecular Formula	C6H8O4
Molecular Weight	144.13 g/mol
Synonyms	Ethyl hydrogen fumarate; Monoethyl fumaric acid; Fumaric acid monoethyl ester; 2-Butenedioic acid (E)-, monoethyl ester; Ethyl fumarate (partial ester); Fumaric acid ethyl ester; Monoethyl (E)-2-butenedioate
EINECS	219-525-7

Quality Control

Our Monoethyl Fumarate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and impurity profiles. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and compliance with your quality requirements.

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 oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.