Description

4,4'-Difluorodiphenylmethane is a high-purity organic intermediate featuring a diphenylmethane core with fluorine substituents. This compound matters for its role as a critical building block in the synthesis of advanced polymers and specialty chemicals, offering enhanced thermal stability and chemical resistance. It is primarily needed by manufacturers in the pharmaceutical, agrochemical, and high-performance polymer industries for creating novel materials and active ingredients.

Application

• Key monomer or intermediate in the synthesis of high-performance polyimides and polyether ether ketone (PEEK)-like polymers.
• Building block for pharmaceutical active ingredients (APIs), particularly in the development of novel drug candidates.
• Precursor in agrochemical synthesis for creating advanced herbicides and pesticides.
• Intermediate for liquid crystal polymers (LCPs) used in electronics and display technologies.
• Starting material for specialty dyes and pigments with improved lightfastness.
• Used in research and development of advanced epoxy resin systems and other thermosetting polymers.
• Component in the synthesis of fluorinated compounds for various industrial applications.

Basic Information

Item	Details
Product Name	4,4'-Difluorodiphenylmethane
CAS No.	457-68-1
Molecular Formula	C13H10F2
Molecular Weight	204.22 g/mol
Synonyms	Bis(4-fluorophenyl)methane; 4,4'-Methylenebis(fluorobenzene); 1,1'-(Methylenedi-4,1-phenylene)bis(fluoride); 4-Fluoro-α-(4-fluorophenyl)toluene; α,α-Bis(4-fluorophenyl)methane; Difluorodiphenylmethane; p,p'-Difluorodiphenylmethane; DFDM
EINECS	Contact for details

Quality Control

Our 4,4'-Difluorodiphenylmethane is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment to support your quality assurance protocols.

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). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	40 - 44 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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