Description

2,3-Dichlorobenzophenone is a versatile halogenated aromatic ketone that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its unique substitution pattern, which provides a reactive scaffold for constructing complex molecules in high-value industries. This compound is essential for research and development chemists, process engineers, and manufacturers operating in the pharmaceutical, agrochemical, and specialty chemical sectors.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a dichlorinated benzophenone core.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, where the chlorinated aromatic structure contributes to biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for specialized ligands in transition metal catalysis and organometallic chemistry.
• Material Science Research: Employed in the development of novel polymers, liquid crystals, and organic electronic materials.
• Custom Synthesis and R&D: A valuable reagent for contract research organizations (CROs) and academic laboratories exploring new synthetic pathways.
• Photoinitiator Component: Potential use in the formulation of UV-curable resins and coatings as a photoactive moiety.

Basic Information

Product Name	2,3-Dichlorobenzophenone
CAS No.	19920-08-2
Molecular Formula	C13H8Cl2O
Molecular Weight	251.11 g/mol
Synonyms	(2,3-Dichlorophenyl)(phenyl)methanone; Benzophenone, 2,3-dichloro-; 2,3-Dichlorodiphenyl ketone; o,m-Dichlorobenzophenone; NSC 406079; 2,3-DCBZ; 2,3-Dichloro benzophenone
EINECS	243-418-5

Quality Control

Our 2,3-Dichlorobenzophenone is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. The container should be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	65 - 70 °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.