Description

3,3',4,4'-Tetramethoxybenzophenone is a high-purity, multi-methoxylated benzophenone derivative. This compound serves as a versatile and critical advanced pharmaceutical intermediate and photoinitiator precursor in specialized chemical synthesis. It is essential for manufacturers in the pharmaceutical, agrochemical, and performance polymer industries requiring precise molecular frameworks for active ingredient development.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of complex drug molecules, particularly those requiring a rigid, substituted benzophenone core.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where the tetramethoxy structure imparts specific biological activity.
• Photoinitiator Manufacturing: Acts as a precursor in the production of specialized photoinitiators for UV-curable inks, coatings, and adhesives.
• Organic Light-Emitting Diode (OLED) Materials: Serves as an intermediate in the development of electron-transport or host materials for organic electronics.
• Liquid Crystal Intermediates: Utilized in the synthesis of monomers for high-performance liquid crystal polymers (LCPs).
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	3,3',4,4'-Tetramethoxybenzophenone
CAS No.	4131-03-7
Molecular Formula	C17H18O5
Molecular Weight	302.32 g/mol
Synonyms	3,3',4,4'-Tetramethoxybenzophenone; Benzophenone, 3,3',4,4'-tetramethoxy-; Tetramethoxybenzophenone; 3,3',4,4'-Tetramethoxydiphenyl ketone; NSC 403697; 4,4'-Bis(3,4-dimethoxyphenyl)methanone; 1,1'-(Carbonylbis(3,4-dimethoxybenzene)); Bis(3,4-dimethoxyphenyl)methanone
EINECS	223-937-9

Quality Control

Our 3,3',4,4'-Tetramethoxybenzophenone is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. A detailed Certificate of Analysis (COA) documenting identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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
Assay (HPLC)	≥ 98.0%
Melting Point	158 - 162 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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