Description

2,2',3',4,6-Pentachlorobiphenyl is a specific congener of polychlorinated biphenyls (PCBs), a well-studied class of synthetic organic chemicals. This compound is primarily utilized as a critical analytical reference standard for environmental monitoring, toxicological research, and regulatory compliance testing. It serves researchers and quality control laboratories in the environmental, industrial hygiene, and chemical manufacturing sectors who require high-purity, well-characterized materials for precise calibration and method validation.

Application

• Environmental Analysis Reference Standard: Used for the calibration of GC/MS and HPLC systems in the detection and quantification of PCB contaminants in soil, water, and air samples.
• Toxicological and Ecotoxicological Research: Serves as a pure congener for studying the specific biological effects, metabolic pathways, and environmental fate of PCBs.
• Food and Feed Safety Testing: Employed as a standard in methods to analyze PCB residues in food products, animal feed, and edible oils to ensure regulatory compliance.
• Industrial Hygiene Monitoring: Acts as a calibration standard for workplace air monitoring and occupational exposure assessment in industries dealing with historical electrical equipment.
• Method Development and Validation: Essential for developing, optimizing, and validating new analytical protocols for PCB congener-specific analysis in complex matrices.
• Quality Assurance/Quality Control (QA/QC): Used in laboratory proficiency testing and as an internal standard to ensure the accuracy and precision of analytical data.
• Regulatory Compliance and Certification: Supports testing required for international regulations such as the Stockholm Convention on Persistent Organic Pollutants (POPs).
• Forensic and Diagnostic Analysis: Aids in source identification and fingerprinting of PCB mixtures in environmental forensic investigations.

Basic Information

Item	Details
Product Name	2,2',3',4,6-Pentachlorobiphenyl
CAS No.	60233-25-2
Molecular Formula	C₁₂H₅Cl₅
Molecular Weight	326.43 g/mol
Synonyms	PCB 91; 2,2',3',4,6-Pentachloro-1,1'-biphenyl; 1,1'-Biphenyl, 2,2',3',4,6-pentachloro-; Pentachlorobiphenyl (mixed congeners may be listed under this name); Biphenyl, pentachloro- derivative; Aroclor component (historical reference); Chlorinated biphenyl congener 91
EINECS	Contact for details

Quality Control

Our high-purity reference standards are produced and analyzed under strict quality management protocols. Each batch undergoes comprehensive characterization using techniques including GC-FID, GC/MS, and HPLC to confirm identity and purity. We provide traceable Certificates of Analysis (COA) detailing lot-specific results for critical parameters such as assay, congener specificity, and impurity profiles. Our quality system is designed to meet the exacting requirements of analytical and research laboratories.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. For long-term stability, storage at -20°C is recommended. Keep away from heat and open flame.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Solubility	Soluble in common organic solvents (e.g., hexane, acetone, methanol)

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