Description

4-Methylsulfonyl-2,2',5,5'-Tetrachlorobiphenyl is a specialized chlorinated biphenyl derivative with a sulfonyl functional group. This compound is valued as a high-purity chemical intermediate and reference standard for advanced research and development. It is primarily required by industries involved in analytical chemistry, environmental testing, and the synthesis of complex organic molecules.

Application

• Analytical Reference Standard: Used as a certified standard for the calibration and validation of analytical methods, particularly in gas chromatography (GC) and mass spectrometry (MS) for environmental pollutant analysis.
• Environmental Research: Serves as a model compound or metabolite in studies related to the environmental fate, degradation, and toxicology of polychlorinated biphenyls (PCBs) and their derivatives.
• Chemical Synthesis Intermediate: Acts as a key building block for the synthesis of more complex sulfonated or chlorinated aromatic compounds in pharmaceutical and agrochemical research.
• Metabolite Studies: Employed in biochemical and toxicological research to investigate the metabolic pathways of halogenated aromatic compounds.
• Quality Control Material: Used by manufacturers and testing laboratories as an internal quality control check for analytical processes targeting sulfonated PCB congeners.

Basic Information

Product Name	4-Methylsulfonyl-2,2',5,5'-Tetrachlorobiphenyl
CAS No.	60640-55-3
Molecular Formula	C13H8Cl4O2S
Molecular Weight	378.08 g/mol
Synonyms	2,2',5,5'-Tetrachloro-4-(methylsulfonyl)biphenyl; PCB Sulfone Metabolite; 4-Methylsulphonyl-2,2',5,5'-tetrachlorobiphenyl; 4-MeSO2-CB52; 3,3',4,4'-Tetrachloro-4'-methylsulfonylbiphenyl (alternate numbering); 4-(Methylsulfonyl)-2,2',5,5'-tetrachloro-1,1'-biphenyl
EINECS	Contact for details

Quality Control

Our 4-Methylsulfonyl-2,2',5,5'-Tetrachlorobiphenyl is produced under strict quality management protocols. Each batch undergoes comprehensive analytical characterization using techniques including HPLC, GC-MS, and NMR to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing batch-specific results are provided and available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storage under inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.