Description

2-Ethyl-4-Methylimidazole (CAS NO 931-36-2) is a high-purity, versatile heterocyclic amine compound that serves as a critical catalyst and building block in advanced polymer chemistry. Its primary commercial value lies in its exceptional performance as a curing agent and accelerator for epoxy resin systems, enabling precise control over reaction kinetics and final material properties. This product is essential for manufacturers in the electronics, aerospace, and high-performance composites industries seeking to enhance the thermal stability, mechanical strength, and processing characteristics of their materials.

Application

• Epoxy Resin Curing Agent & Accelerator: A key component for curing epoxy resins in electronic encapsulants, adhesives, coatings, and structural composites, offering a favorable balance of pot life and cure speed.
• Advanced Composite Materials: Used in the production of carbon fiber and fiberglass reinforced plastics (FRP) for aerospace, automotive, and wind energy applications.
• Electronics Manufacturing: Critical for semiconductor encapsulation, printed circuit board (PCB) laminates, and conductive adhesives where high purity and reliability are paramount.
• Chemical Synthesis Intermediate: Serves as a versatile building block in organic synthesis for pharmaceuticals, agrochemicals, and specialty chemicals.
• Photoresist and Photopolymer Formulations: Employed in light-sensitive polymer systems for microelectronics and imaging technologies.
• Corrosion-Resistant Coatings: Formulated into high-performance industrial and marine coatings that require excellent chemical resistance and durability.

Basic Information

Product Name	2-Ethyl-4-Methylimidazole
CAS No.	931-36-2
Molecular Formula	C6H10N2
Molecular Weight	110.16 g/mol
Synonyms	2-Ethyl-4-methyl-1H-imidazole; 4-Methyl-2-ethylimidazole; EMI-24; EMI; 2-Ethyl-4-methylglyoxaline; 1H-Imidazole, 2-ethyl-4-methyl-; Curezol 2E4MZ; Epikure 2E4MZ; 2E4MZ
EINECS	213-234-5

Quality Control

Our 2-Ethyl-4-Methylimidazole is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Every lot is subjected to comprehensive analytical testing, including Gas Chromatography (GC) and Karl Fischer titration, to verify identity, potency, and moisture content. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to support 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 at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept tightly sealed to prevent absorption of atmospheric moisture which may affect product performance.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Refractive Index (n20D)	1.497 - 1.502
Specific Gravity (20/20°C)	0.975 - 0.985

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