Description

2,2',3,4,6,6'-Hexachlorobiphenyl CAS NO 74472-40-5 is a specific, high-purity congener of polychlorinated biphenyls (PCBs). This compound is of significant value as a certified reference material and analytical standard for environmental monitoring and toxicological research. It is essential for laboratories and research institutions focused on regulatory compliance, method development, and the study of persistent organic pollutants (POPs).

Application

• Certified Reference Standard for the calibration of analytical instruments (GC, GC-MS, HPLC) in environmental testing.
• Analytical Method Development and validation for the detection and quantification of PCB congeners in complex matrices.
• Quality Control/Quality Assurance (QC/QA) in laboratories performing environmental analysis of soil, water, sediment, and biota.
• Toxicological and Ecotoxicological Research to study the environmental fate, bioaccumulation, and health effects of specific PCB congeners.
• Regulatory Compliance Testing for industries and agencies monitoring POPs under international treaties like the Stockholm Convention.
• Forensic Environmental Analysis for source identification and apportionment in pollution investigations.

Basic Information

Product Name	2,2',3,4,6,6'-Hexachlorobiphenyl
CAS No.	74472-40-5
Molecular Formula	C₁₂H₄Cl₆
Molecular Weight	360.88 g/mol
Synonyms	PCB 139; 2,2',3,4,6,6'-Hexachloro-1,1'-biphenyl; 1,1'-Biphenyl, 2,2',3,4,6,6'-hexachloro-; BZ# 139; Hexachlorobiphenyl (PCB 139); Congener 139; 2,2',3,4,6,6'-HCB
EINECS	Contact for details

Quality Control

Every batch of 2,2',3,4,6,6'-Hexachlorobiphenyl is produced and handled under strict quality protocols to ensure identity, purity, and stability. Our products undergo rigorous quality testing using advanced chromatographic and spectroscopic techniques to ensure compliance with industry standards for reference materials. Certificates of Analysis (COA) detailing purity, identification, and traceability are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) in a dry, well-ventilated area. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Identification (GC/MS)	Conforms to reference standard
Purity (GC-FID/ECD)	≥ 98.0%
Related Substances (GC)	Total other PCB congeners ≤ 2.0%
Solubility	Soluble in common organic solvents (e.g., hexane, toluene, acetone)

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