Description

2,2',3,3',5,6'-Hexachlorobiphenyl is a specific, high-purity congener of polychlorinated biphenyls (PCBs). This compound is of significant value for research, analytical, and regulatory compliance purposes, serving as a critical reference standard. It is primarily required by analytical laboratories, environmental testing facilities, and chemical manufacturers engaged in method development, quality control, and the analysis of legacy contaminants.

Application

• Analytical Reference Standard: Used as a certified standard for the calibration and validation of analytical instruments like GC-MS and HPLC in environmental and food testing.
• Environmental Research: Employed in scientific studies to understand the environmental fate, transport, and toxicological profile of specific PCB congeners.
• Method Development: Essential for developing and optimizing sensitive and accurate analytical methods for PCB detection and quantification in complex matrices.
• Quality Control Material: Serves as a control sample or spike in laboratory proficiency testing and internal quality assurance programs.
• Regulatory Compliance Testing: Used by industries and consultancies to test materials and products for compliance with global PCB restriction regulations (e.g., POPs, TSCA).
• Toxicological Studies: Applied in biomedical and ecotoxicology research to investigate the specific health effects of individual PCB congeners.

Basic Information

Product Name	2,2',3,3',5,6'-Hexachlorobiphenyl
CAS No.	52744-13-5
Molecular Formula	C₁₂H₄Cl₆
Molecular Weight	360.88 g/mol
Synonyms	PCB 136; 2,2',3,3',5,6-Hexachlorobiphenyl; 2,2',3,3',5,6-HexaCB; 2,3,3',5,6,2'-Pentachlorobiphenyl; Biphenyl, 2,2',3,3',5,6'-hexachloro-; NSC 89345; Hexachlorobiphenyl (mixed congeners may be listed under this name)
EINECS	Contact for details

Quality Control

Our high-purity 2,2',3,3',5,6'-Hexachlorobiphenyl is produced and handled under strict quality protocols to ensure identity, purity, and stability. Each batch is accompanied by a comprehensive Certificate of Analysis (COA) detailing results from advanced chromatographic and spectroscopic methods. We ensure traceability and compliance with relevant standards for reference materials.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place, preferably at controlled room temperature (15-25°C). Keep away from heat and incompatible materials. For long-term stability, storage under inert atmosphere is recommended.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 98.0% (Area Percent)
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Melting Point	Contact for details
Solubility	Soluble in common organic solvents (e.g., acetone, hexane, toluene)

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