Description

4,4'-Methylenebis(2-Ethylbenzenamine) is a high-purity aromatic diamine compound, serving as a critical building block in advanced polymer synthesis. Its molecular structure provides excellent thermal stability and mechanical properties to the final materials. This product is essential for manufacturers in the polymer, epoxy resin, and specialty chemical industries seeking reliable performance and consistent quality.

Application

• Epoxy Curing Agent: A key component for formulating high-performance epoxy resin systems with enhanced thermal and chemical resistance.
• Polyurethane Precursor: Used in the synthesis of specialized polyurethane elastomers and coatings.
• Polyimide & Polyamide Production: Acts as a monomer for creating high-temperature resistant polymers used in aerospace and electronics.
• Chemical Intermediate: Employed in the synthesis of dyes, pigments, and other complex organic compounds.
• Rubber Additive: Functions as an antioxidant or vulcanization agent in specialty rubber formulations.
• Adhesive & Composite Formulations: Enhances the durability and bonding strength in advanced industrial adhesives and composite materials.

Basic Information

Product Name	4,4'-Methylenebis(2-Ethylbenzenamine)
CAS No.	19900-65-3
Molecular Formula	C19H26N2
Molecular Weight	282.43 g/mol
Synonyms	MBEA; 4,4'-Methylenebis(2-ethylaniline); 2,2'-Diethyl-4,4'-methylenedianiline; Ethacure 100; 4,4'-Methylenebis(2-ethylbenzenamine); Bis(2-ethyl-4-aminophenyl)methane; 4,4'-(Methylenedi-2,1-phenylene)bis(ethylamine)
EINECS	243-409-1

Quality Control

Our 4,4'-Methylenebis(2-Ethylbenzenamine) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets precise purity and composition specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and compliance with your technical 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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality.

Specification

Item	Specification
Appearance	Light yellow to amber liquid or solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	≤ 2.0% total

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