Description

2,2',4,4',6,6'-Hexamethylbenzophenone is a highly substituted benzophenone derivative characterized by its sterically hindered molecular structure. This compound is valued as a versatile chemical intermediate and a specialty additive, particularly in the synthesis of advanced materials and performance chemicals. It is primarily sought by R&D laboratories and industrial manufacturers in the polymer, photochemistry, and fine chemical sectors for applications requiring specific light-absorbing or radical-generating properties.

Application

• Photoinitiator Intermediate: A key building block in the synthesis of specialized photoinitiators for UV-curable inks, coatings, and adhesives.
• Polymer Additive: Used as a light stabilizer or processing aid in the production of engineering plastics and high-performance polymers.
• Organic Synthesis: Serves as a sterically hindered precursor or protecting group in complex multi-step synthetic routes for pharmaceuticals and agrochemicals.
• Research & Development: Employed in academic and industrial R&D for studying photochemical reactions and developing new functional materials.
• Specialty Chemical Manufacturing: Acts as an intermediate for producing dyes, pigments, and other performance chemicals where methyl-substituted aromatic systems are required.

Basic Information

Product Name	2,2',4,4',6,6'-Hexamethylbenzophenone
CAS No.	5623-45-0
Molecular Formula	C21H26O
Molecular Weight	294.43 g/mol
Synonyms	Hexamethylbenzophenone; 2,2',4,4',6,6'-Hexamethylbenzophenone; Benzophenone, 2,2',4,4',6,6'-hexamethyl-; 2,2',4,4',6,6'-HMBP; Mesitylphenone (derivative); Bis(2,4,6-trimethylphenyl)methanone
EINECS	227-058-5

Quality Control

Our 2,2',4,4',6,6'-Hexamethylbenzophenone is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, guaranteeing traceability and consistent quality for your critical applications.

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. For long-term storage, consider an inert atmosphere to maintain optimal purity.

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%

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