Description

4,4''-Methylenebis(2-Methyl-6-Ethylaniline),=99%(Hplc) is a high-purity aromatic diamine primarily used as a curing agent and chain extender in advanced polymer systems. Its molecular structure provides excellent thermal stability and mechanical properties to the final materials, making it a critical component for demanding applications. This product is essential for manufacturers in the polyurethane, epoxy resin, and specialty adhesive industries who require consistent, high-performance raw materials.

Application

• Curing Agent for Epoxy Resins: Imparts high heat resistance and chemical stability to epoxy systems used in composites, coatings, and electrical encapsulation.
• Chain Extender for Polyurethanes: Used to modify and enhance the mechanical properties, such as tensile strength and hardness, of elastomers and thermoplastic polyurethanes (TPU).
• Intermediate for Specialty Polymers: Serves as a key building block in the synthesis of polyimides, polyamides, and other high-performance polymers.
• Component in Adhesive Formulations: Contributes to the durability and high-temperature performance of industrial and aerospace-grade adhesives.
• Chemical Intermediate: Used in organic synthesis for pharmaceuticals, agrochemicals, and dyes due to its reactive amine groups.

Basic Information

Product Name	4,4''-Methylenebis(2-Methyl-6-Ethylaniline),=99%(Hplc)
CAS No.	188759-35-5
Molecular Formula	C21H30N2
Molecular Weight	310.48 g/mol
Synonyms	4,4'-Methylenebis(2-methyl-6-ethylaniline); MBMEA; Ethacure 100; Bis(2-methyl-6-ethylaniline)methane; 2,2'-Dimethyl-3,3'-diethyl-4,4'-diaminodiphenylmethane; 4,4'-Methylenebis(2-ethyl-6-methylaniline); 4,4'-Methylenebis(6-ethyl-o-toluidine); MDA-EF
EINECS	Contact for details

Quality Control

Our 4,4''-Methylenebis(2-Methyl-6-Ethylaniline) is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, to ensure it meets the specified purity of ≥99% and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to guarantee traceability and compliance with your quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is easily oxidized; for long-term storage, consider keeping under an inert atmosphere such as nitrogen to maintain purity and prevent discoloration.

Specification

Item	Specification
Appearance	Light yellow to amber crystalline solid or flakes
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 99.0 %
Melting Point	Contact for details
Moisture (KF)	≤ 0.5 %

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