Description

4,4'-Diamino-3,3'-Di-(Trifluoromethyl)-Diphenylmethane is a high-purity aromatic diamine monomer featuring a central methylene bridge and two trifluoromethyl substituents. This compound is valued for its role as a critical building block in the synthesis of advanced polymers, where it imparts enhanced thermal stability, chemical resistance, and unique optical properties. It is primarily sought after by manufacturers in the advanced polyimide, epoxy resin, and specialty adhesive sectors for high-performance applications.

Application

• Polyimide Precursor: A key monomer for synthesizing fluorinated polyimides with exceptional thermal stability, low dielectric constant, and high optical transparency for flexible electronics and aerospace coatings.
• High-Performance Epoxy Curing Agent: Used as a curing agent or hardener for epoxy resins, resulting in composites with superior chemical resistance and mechanical properties for the aerospace and automotive industries.
• Specialty Polymer Synthesis: Serves as a building block for other high-value polymers, including polyamides, polyurethanes, and polybenzoxazines, where the trifluoromethyl groups enhance solubility and reduce moisture absorption.
• Advanced Adhesives and Sealants: Incorporated into formulations for adhesives and sealants that require long-term durability under harsh environmental conditions.
• Pharmaceutical & AgroChemical Intermediate: Utilized in the research and development of active pharmaceutical ingredients (APIs) and agrochemicals due to its unique aromatic diamine structure.
• Liquid Crystal Polymers (LCPs): A potential monomer for creating LCPs with specific orientation and stability properties for display technologies.

Basic Information

Product Name	4,4'-Diamino-3,3'-Di-(Trifluoromethyl)-Diphenylmethane
CAS No.	15403-97-1
Molecular Formula	C₁₅H₁₀F₆N₂
Molecular Weight	332.25 g/mol
Synonyms	Bis(4-amino-3-trifluoromethylphenyl)methane; 4,4'-Methylenebis[2-(trifluoromethyl)aniline]; 3,3'-Bis(trifluoromethyl)-4,4'-diaminodiphenylmethane; 4,4'-Diamino-3,3'-bis(trifluoromethyl)diphenylmethane; 4,4'-Methylenebis(2-trifluoromethylaniline); 2,2'-Bis(trifluoromethyl)-4,4'-methylenedianiline; BTDA-M; TFMB (context-specific)
EINECS	Contact for details

Quality Control

Our 4,4'-Diamino-3,3'-Di-(Trifluoromethyl)-Diphenylmethane is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets the high-purity standards required for advanced polymer synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory compliance needs.

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). This material is moisture-sensitive (hygroscopic); keep the container tightly sealed when not in use to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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