Description

Methyl Epoxycrotonate CAS NO 2980-48-5 is a specialized, high-value epoxide ester monomer. This compound is a critical building block in advanced polymer synthesis, valued for its ability to introduce reactive epoxy and ester functionalities into polymer chains. It is essential for manufacturers in the coatings, adhesives, and specialty chemical industries seeking to develop materials with enhanced cross-linking density, adhesion, and chemical resistance.

Application

• Cross-linking Agent for High-Performance Coatings: Imparts superior hardness, chemical resistance, and durability in industrial and automotive finishes.
• Reactive Diluent & Modifier for Epoxy Resins: Used to adjust viscosity and improve flexibility and impact resistance in composite and adhesive formulations.
• Monomer for Specialty Acrylic Polymers: Serves as a functional co-monomer to introduce pendant epoxy groups for subsequent curing or modification.
• Intermediate for Pharmaceutical Synthesis: Acts as a key chiral building block in the synthesis of complex active pharmaceutical ingredients (APIs).
• Precursor for Agrochemicals: Utilized in the manufacture of advanced herbicides and plant growth regulators.
• Surface Modifier: Enhances the adhesion properties of materials in electronic encapsulants and fiber treatments.

Basic Information

Product Name	Methyl Epoxycrotonate
CAS No.	2980-48-5
Molecular Formula	C5H8O3
Molecular Weight	116.12 g/mol
Synonyms	Methyl 2,3-Epoxybut-2-enoate; 2-Butenoic acid, 2,3-epoxy-, methyl ester; Methyl 2,3-epoxycrotonate; Methyl (2,3-epoxy-2-butenoate); 2,3-Epoxy-2-butenoic acid methyl ester; Methyl trans-2,3-epoxy-2-butenoate
EINECS	221-025-9

Quality Control

Our Methyl Epoxycrotonate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, assay, and impurity profiles are provided to guarantee compliance with your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); containers must be kept tightly sealed and under a dry inert atmosphere (e.g., nitrogen) for long-term storage to prevent hydrolysis and maintain stability.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (20°C)	1.440 - 1.450

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