Description

Pentachloroacetophenone CAS NO 25201-35-8 is a specialized chlorinated aromatic ketone of significant interest in advanced chemical synthesis. This compound serves as a versatile and critical building block for the production of complex molecules, particularly in the pharmaceutical and agrochemical sectors. Its unique pentachloro-substituted structure makes it a valuable precursor for researchers and manufacturers developing active ingredients, fine chemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), especially for compounds requiring a heavily halogenated aromatic core.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides where the chlorinated phenyl group enhances biological activity and stability.
• Fine Chemical Production: Employed as a specialized building block for creating complex dyes, pigments, and other performance chemicals.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for studying nucleophilic substitution reactions and constructing polyhalogenated molecular architectures.
• Material Science Precursor: Investigated for the development of specialty polymers and advanced organic materials with specific electronic or structural properties.

Basic Information

Product Name	Pentachloroacetophenone
CAS No.	25201-35-8
Molecular Formula	C8H3Cl5O
Molecular Weight	306.37 g/mol
Synonyms	1-(Pentachlorophenyl)ethanone; Pentachloroacetophenone; 2,3,4,5,6-Pentachloroacetophenone; 1-(2,3,4,5,6-Pentachlorophenyl)ethan-1-one; Ethanone, 1-(2,3,4,5,6-pentachlorophenyl)-; Pentachlorophenylethanone; α,2,3,4,5,6-Hexachloroacetophenone (obsolete)
EINECS	Contact for details

Quality Control

Our Pentachloroacetophenone is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing specific results for purity, impurities, and physical parameters is provided with every shipment to support your quality assurance protocols.

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 strong bases and reducing agents. For long-term storage, consider under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	152 - 156 °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.