Description

4-Chlorobenzil is a versatile chlorinated benzil derivative, serving as a critical intermediate in advanced organic synthesis. Its value lies in providing a reactive diketone moiety with a chlorine substituent, enabling precise molecular construction for high-value chemical products. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with benzilic acid or heterocyclic structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Ligand and Catalyst Preparation: Serves as a precursor for chiral ligands and organometallic catalysts used in asymmetric synthesis.
• Polymer and Material Science: Intermediate for synthesizing monomers and specialty polymers with enhanced properties.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for constructing complex molecules via reactions like rearrangements and condensations.
• Dye and Pigment Manufacturing: Used in the synthesis of specialized colorants and photographic chemicals.

Basic Information

Product Name	4-Chlorobenzil
CAS No.	22711-23-5
Molecular Formula	C14H9ClO2
Molecular Weight	244.67 g/mol
Synonyms	(4-Chlorophenyl)(phenyl)ethanedione; 1,2-Bis(4-chlorophenyl)ethane-1,2-dione; α,α'-Dichlorobenzil; 4,4'-Dichlorobenzil; p-Chlorobenzil; Benzil, 4,4'-dichloro-; (4-Chlorobenzoyl)phenylmethanone
EINECS	245-185-5

Quality Control

Our 4-Chlorobenzil is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, ensuring full traceability and compliance with customer requirements.

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.

Specification

Item	Specification
Appearance	Yellow to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	96 - 100 °C
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.