Description

[Trans(Trans)]-4,4'-Methylenebis(Cyclohexylamine) is a high-purity, aliphatic diamine characterized by its rigid cyclohexyl backbone, offering excellent chemical and thermal stability. This compound is a critical building block in advanced polymer synthesis, where its symmetrical, non-yellowing structure is essential for producing high-performance materials. It is primarily sought after by manufacturers in the polyurethane, epoxy resin, and specialty coatings industries for applications demanding superior mechanical properties and durability.

Application

• Polymer Hardener & Crosslinker: A key curing agent for epoxy resins and polyurethane systems, imparting high glass transition temperature (Tg), chemical resistance, and low color.
• High-Performance Coatings: Used in the formulation of industrial, automotive, and marine coatings that require exceptional weatherability, hardness, and adhesion.
• Composite Materials: Serves as a monomer in the production of polyamides and polyimides for advanced composites in aerospace and electronics.
• Adhesives & Sealants: Enhances the thermal stability and mechanical strength of structural adhesives used in demanding environments.
• Chemical Intermediate: Utilized in organic synthesis for pharmaceuticals, agrochemicals, and corrosion inhibitors.
• Lubricant Additive: Acts as a precursor for additives that improve the performance and stability of synthetic lubricants.

Basic Information

Product Name	[Trans(Trans)]-4,4'-Methylenebis(Cyclohexylamine)
CAS No.	6693-29-4
Molecular Formula	C13H26N2
Molecular Weight	210.36 g/mol
Synonyms	4,4'-Methylenebis(cyclohexylamine); Bis(4-aminocyclohexyl)methane; Dicyclohexylmethane-4,4'-diamine; 4,4'-Diaminodicyclohexylmethane; trans,trans-Bis(4-aminocyclohexyl)methane; PACM; Hydrogenated MDA; Jefflink® 754 (Huntsman trade name); Ancamine® 2049 (Air Products trade name)
EINECS	229-722-6

Quality Control

Our [Trans(Trans)]-4,4'-Methylenebis(Cyclohexylamine) is manufactured under a stringent quality management system. Every batch is analyzed to ensure it meets precise specifications for purity, isomer content, and physical properties. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and other critical parameters is provided with each shipment to guarantee traceability and batch-to-batch consistency for your formulation 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); containers must be kept tightly sealed to prevent absorption of atmospheric moisture and carbon dioxide, which can affect product quality.

Specification

Item	Specification
Appearance	Colorless to pale yellow crystalline solid or melt
Identification (IR)	Conforms
Assay (GC or HPLC)	≥ 99.0%
Trans,Trans Isomer Content	≥ 98.0%
Melting Point	40 - 45 °C
Water Content (KF)	≤ 0.2%

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