Description

4,4'-Diamino-2,2'-Di-(Trifluoromethyl)-Diphenylmethane is a specialized aromatic diamine monomer featuring a central methylene bridge and two trifluoromethyl substituents. This compound matters for its unique combination of a reactive amine functionality and the thermal stability, chemical resistance, and low surface energy imparted by the fluorine atoms. It is primarily needed by manufacturers in the advanced polymer and specialty chemical sectors seeking to synthesize high-performance materials, such as polyimides, epoxy resins, and fluorinated polyurethanes, for demanding applications.

Application

• High-Performance Polyimide Synthesis: Serves as a key diamine monomer for creating fluorinated polyimides with exceptional thermal stability, low dielectric constant, and high optical transparency for microelectronics and aerospace.
• Advanced Epoxy Curing Agent: Used as a curing agent or hardener for epoxy resin systems, enhancing chemical resistance, thermal properties, and moisture barrier performance.
• Fluorinated Polyurethane Elastomers: Acts as a chain extender or building block in the production of fluorinated polyurethanes, improving weatherability, solvent resistance, and surface properties.
• Specialty Adhesives & Coatings: Incorporated into formulations for high-temperature adhesives, protective coatings, and release coatings where durability and chemical inertness are critical.
• Pharmaceutical & Agrochemical Intermediates: Utilized as a sophisticated building block in the synthesis of complex molecules for pharmaceutical and agrochemical research and development.
• Liquid Crystal Polymers (LCPs): A potential monomer for engineering thermoplastics and LCPs requiring high heat deflection temperatures and dimensional stability.

Basic Information

Product Name	4,4'-Diamino-2,2'-Di-(Trifluoromethyl)-Diphenylmethane
CAS No.	689275-08-9
Molecular Formula	C₁₇H₁₂F₆N₂
Molecular Weight	358.28 g/mol
Synonyms	Bis(4-amino-3-(trifluoromethyl)phenyl)methane; 2,2'-Bis(trifluoromethyl)-4,4'-diaminodiphenylmethane; 4,4'-Methylenebis[2-(trifluoromethyl)aniline]; 4,4'-Diamino-3,3'-bis(trifluoromethyl)diphenylmethane; 4,4'-Methylenebis(alpha,alpha,α-trifluoro-o-toluidine); MDA-TF; TFMB Monomer (related); Fluorinated diamine monomer
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and customer-specific requirements. Each batch is characterized using advanced analytical techniques including HPLC, GC, NMR, and FTIR to confirm identity, purity, and the absence of critical impurities. Certificates of Analysis (COA) detailing all relevant specifications are available upon request. We adhere to a quality management system to ensure batch-to-batch consistency and supply reliability for your R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is easily oxidized (store under inert atmosphere) and is light-sensitive (store away from light). Keep away from strong oxidizing agents, strong acids, and moisture. For long-term storage, consider storage under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Heavy Metals	< 10 ppm
Moisture Content (KF)	< 0.5%
Related Substances (HPLC)	Contact for details

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