Description

4,4'-Diacetyldiphenylmethane is a high-purity organic chemical intermediate characterized by its diphenylmethane backbone with acetyl functional groups. This compound matters for its role as a versatile building block in the synthesis of more complex molecules, particularly in advanced material science and specialty polymer production. Industries requiring high-performance resins, liquid crystal polymers, and pharmaceutical intermediates will find this product essential for their research and manufacturing processes.

Application

• Polymer & Resin Intermediate: A key monomer or chain extender in the production of high-performance engineering plastics and specialty polyesters.
• Liquid Crystal Materials: Serves as a core structural unit in the synthesis of monomers for liquid crystal polymers (LCPs) and display materials.
• Pharmaceutical Synthesis: Used as a precursor in the multistep synthesis of active pharmaceutical ingredients (APIs) and other bioactive compounds.
• Crosslinking Agent: Functions as a crosslinker in epoxy resin systems and other thermosetting polymers to enhance thermal and mechanical properties.
• Organic Synthesis Building Block: Employed in Friedel-Crafts and other condensation reactions to create complex organic architectures for research and development.
• Dye & Pigment Intermediate: Acts as a starting material in the synthesis of certain advanced organic dyes and colorants.

Basic Information

Product Name	4,4'-Diacetyldiphenylmethane
CAS No.	790-82-9
Molecular Formula	C17H16O2
Molecular Weight	252.31 g/mol
Synonyms	Bis(4-acetylphenyl)methane; 1,1'-[Methylenebis(4,1-phenylene)]diethanone; 4,4'-Methylenebis(acetophenone); DADPM; Diacetyl Diphenyl Methane; 4-Acetylphenylmethane-4'-acetophenone; α,α'-Diacetyl-p-xylene (deprecated); p,p'-Diacetyldiphenylmethane
EINECS	212-333-6

Quality Control

Our 4,4'-Diacetyldiphenylmethane is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use in sensitive applications. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment and is available upon request.

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 heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	160 - 165 °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.