Description

2,2',3,5,5'-Pentachlorobiphenyl is a specific congener of polychlorinated biphenyls (PCBs), a class of synthetic organic chemicals. This compound is primarily utilized as a critical reference standard and analytical tool for environmental monitoring and toxicological research. It is essential for laboratories and industries involved in the analysis of persistent organic pollutants (POPs), regulatory compliance testing, and the development of remediation strategies.

Application

• Environmental Analysis Reference Standard: Used as a certified reference material (CRM) for the calibration of analytical instruments like GC-MS and HPLC in the detection and quantification of PCBs in soil, water, and air samples.
• Toxicological and Biomedical Research: Serves as a precise congener standard in studies investigating the metabolism, bioaccumulation, and specific health effects of individual PCB compounds.
• Regulatory Compliance and Method Validation: Critical for validating analytical methods to ensure compliance with global environmental regulations such as the Stockholm Convention on POPs, EPA methods, and other international standards.
• Quality Control in Laboratory Testing: Employed by commercial testing laboratories and environmental consultancies as an internal standard or spike for quality assurance/quality control (QA/QC) protocols.
• Food and Feed Safety Testing: Used in the analysis of PCB contamination levels in the food chain, including dairy, meat, and fish products, to ensure public health safety.
• Waste and Remediation Site Characterization: Aids in the accurate fingerprinting and source identification of PCB mixtures at contaminated industrial sites, guiding cleanup efforts.

Basic Information

Product Name	2,2',3,5,5'-Pentachlorobiphenyl
CAS No.	52663-61-3
Molecular Formula	C₁₂H₅Cl₅
Molecular Weight	326.43 g/mol
Synonyms	PCB 95; 2,2',3,5,5'-Pentachloro-1,1'-biphenyl; 1,1'-Biphenyl, 2,2',3,5,5'-pentachloro-; 2,3,5,2',5'-Pentachlorobiphenyl; Biphenyl, 2,2',3,5,5'-pentachloro-; Pentachlorobiphenyl (IUPAC name); Congener 95; Aroclor congener.
EINECS	Contact for details

Quality Control

Our high-purity 2,2',3,5,5'-Pentachlorobiphenyl is manufactured and handled under strict quality systems to ensure identity, purity, and stability. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing results from advanced chromatographic and spectroscopic analyses. We ensure traceability and compliance with relevant standards for certified reference materials. Certificates of Analysis (COA) are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (typically 15-25°C). For long-term stability, storage at 2-8°C is recommended. Keep the container tightly sealed in a dry, well-ventilated area.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Identification (GC-MS)	Conforms to reference retention time and mass spectrum
Purity (HPLC)	≥ 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.