Description

2,2',4,4'-Tetramethylbenzophenone is a specialized aromatic ketone derivative of benzophenone, characterized by its four methyl substituents which impart distinct physical and chemical properties. This compound is valued as a versatile intermediate and functional additive in advanced material synthesis and specialty chemical manufacturing. It is primarily sought by R&D laboratories and industrial producers in the polymer, photoinitiator, and fine chemical sectors for its role in modifying material characteristics and facilitating specific synthetic pathways.

Application

• Photoinitiator Intermediate: A key building block in the synthesis of high-performance photoinitiators used in UV-curable inks, coatings, and adhesives.
• Polymer Additive: Acts as a light stabilizer or property modifier in specialty polymer formulations to enhance durability and performance.
• Organic Synthesis: Serves as a crucial intermediate for the preparation of more complex molecules in pharmaceutical and agrochemical research.
• Liquid Crystal Materials: Used in the development of components for liquid crystal displays (LCDs) and other electronic materials.
• Crosslinking Agent: Employed in the production of crosslinked polymers and resins to improve thermal and mechanical stability.
• Analytical Chemistry: Utilized as a standard or reagent in chromatographic analysis and spectroscopic studies.

Basic Information

Product Name	2,2',4,4'-Tetramethylbenzophenone
CAS No.	3478-88-4
Molecular Formula	C17H18O
Molecular Weight	238.33 g/mol
Synonyms	2,2',4,4'-Tetramethylbenzophenone; Benzophenone, 2,2',4,4'-tetramethyl-; 2,2',4,4'-Tetramethyldiphenylmethanone; 2,2',4,4'-Tetramethyl diphenyl ketone; TM-BP; Tetramethyl Benzophenone; NSC 403107; 1,1'-(4,4'-Dimethyl-1,1'-biphenyl-2,2'-diyl)diethanone (alternative IUPAC)
EINECS	222-458-5

Quality Control

Our 2,2',4,4'-Tetramethylbenzophenone is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at ambient temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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