Description

Tetrachloro-1,1'-Biphenyl is a chlorinated biphenyl derivative, a member of the polychlorinated biphenyl (PCB) family, identified by CAS No. 26914-33-0. This compound serves as a critical intermediate and reference standard in environmental analysis and chemical research, where precise identification and quantification are paramount. It is primarily required by analytical laboratories, environmental testing facilities, and chemical manufacturers engaged in the study, monitoring, and synthesis of halogenated organic compounds.

Application

• Environmental Analysis Reference Standard: Used as a certified reference material (CRM) for the calibration of analytical instruments (GC-MS, HPLC) in the detection and quantification of PCBs in soil, water, and biological samples.
• Chemical Research & Development: Serves as a key synthetic intermediate or a model compound in organic synthesis and studies of chlorinated aromatic systems.
• Regulatory Compliance Testing: Essential for laboratories performing compliance testing against international regulations (e.g., Stockholm Convention, EPA methods) governing persistent organic pollutants (POPs).
• Toxicological Studies: Employed in research to understand the environmental fate, metabolic pathways, and toxicological profiles of specific PCB congeners.
• Quality Control in Manufacturing: Used as an internal standard to ensure the purity and consistency of related chemical products and to validate analytical methods.

Basic Information

Product Name	Tetrachloro-1,1'-Biphenyl
CAS No.	26914-33-0
Molecular Formula	C12H6Cl4
Molecular Weight	291.99 g/mol
Synonyms	1,1'-Biphenyl, 2,2',5,5'-tetrachloro-; 2,2',5,5'-Tetrachlorobiphenyl; PCB 52; 2,2',5,5'-Tetrachloro-1,1'-biphenyl; Tetrachlorobiphenyl; Aroclor 1254 (component); Kanechlor 400 (component); Phenochlor DP4 (component)
EINECS	248-117-1

Quality Control

Our Tetrachloro-1,1'-Biphenyl is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis (GC, HPLC) and confirmatory identification (IR, MS), to ensure it meets the stringent requirements for reference standards and research chemicals. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and traceability.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. Due to its nature as a light-sensitive compound, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to reference spectrum
Purity (GC)	≥ 98.0%
Related Substances (GC)	Total other PCBs ≤ 1.5%
Melting Point	Consult COA
Solubility	Soluble in common organic solvents (e.g., acetone, hexane, methanol)

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