Product Name: 2,2'-Bis(trifluoromethyl)benzidine
CAS No.: 341-58-2
Synonyms: TFMB; TFDB; 2,2'-Di(trifluoromethyl)benzidine; 3,3'-Diamino-α,α,α',α'-tetrafluorobitoluene
Molecular Formula: C₁₄H₁₀F₆N₂
Molecular Weight: 320.24 g/mol
Structural Formula:
2,2'-Bis(trifluoromethyl)benzidine (TFMB/TFDB) is a high-value aromatic diamine monomer featuring two electron-withdrawing trifluoromethyl (-CF₃) groups. This unique molecular structure imparts exceptional properties, making it a critical building block for synthesizing advanced polymeric materials with superior thermal stability, chemical resistance, and optical characteristics.
Primary Applications of 2,2'-Bis(trifluoromethyl)benzidine (TFMB/TFDB)
TFMB is a versatile monomer extensively used in the synthesis of:
High-Performance Polyimides:
Used to produce light-color or transparent polyimide films.
Key Applications: Flexible displays, touch panels, cover windows, optical filters, and substrates for flexible printed circuit boards (FPCs). The films exhibit excellent thermal stability, low dielectric constant, and high transparency.
Liquid Crystal Polymers (LCPs):
Serves as a key monomer for manufacturing high-temperature LCPs.
Key Applications: Precision electronic components, connectors, and high-frequency circuit materials requiring excellent dimensional stability and low dielectric loss.
Epoxy Resin Curing Agent:
Imparts enhanced thermal resistance and mechanical strength to cured epoxy systems.
Key Applications: Advanced composites, aerospace components, and high-temperature adhesives.
Agrochemicals and Pharmaceuticals:
Used as a key intermediate in the synthesis of certain active ingredients.
Packaging & Storage