Description

3,4'-Dichlorobenzophenone CAS NO 7498-66-0 is an important organic intermediate characterized by its benzophenone core substituted with chlorine atoms at the 3 and 4' positions. This compound is valued for its role as a versatile building block in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is essential for manufacturers and R&D laboratories involved in creating active ingredients, fine chemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), including certain antihistamines and other therapeutic agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides, leveraging its halogenated aromatic structure.
• Liquid Crystal & Polymer Chemistry: Serves as a monomer or intermediate in the manufacture of specialty polymers and liquid crystal materials for electronic displays.
• Organic Synthesis & Research: Employed as a standard reagent in laboratories for cross-coupling reactions, Friedel-Crafts acylation, and other organic transformations.
• UV Absorber & Stabilizer Precursor: Acts as a starting material for the development of benzophenone-based UV absorbers used in plastics, coatings, and personal care products.
• Dye & Pigment Manufacturing: Utilized in the synthesis of certain dyes and organic pigments due to its stable aromatic ketone structure.

Basic Information

Product Name	3,4'-Dichlorobenzophenone
CAS No.	7498-66-0
Molecular Formula	C13H8Cl2O
Molecular Weight	251.11 g/mol
Synonyms	(3-Chlorophenyl)(4-chlorophenyl)methanone; 3,4'-Dichlorobenzophenone; Benzophenone, 3,4'-dichloro-; 4-Chlorophenyl 3-chlorophenyl ketone; NSC 406122; 1-Chloro-3-(4-chlorobenzoyl)benzene; Methanone, (3-chlorophenyl)(4-chlorophenyl)-
EINECS	Contact for details

Quality Control

Our 3,4'-Dichlorobenzophenone is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to verify identity, potency, and impurity profiles. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 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	88 - 92 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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