Description

2,4,4'-Trichlorobiphenyl CAS NO 7012-37-5 is a specific polychlorinated biphenyl (PCB) congener with distinct chemical properties. This compound is primarily valued as a critical reference standard and research chemical for environmental analysis and toxicological studies. It is essential for laboratories and industries involved in monitoring legacy pollutants, developing remediation technologies, and conducting regulatory compliance testing.

Application

• Environmental Reference Standard: Used as an analytical standard in gas chromatography (GC) and mass spectrometry (MS) for the quantification of PCB contaminants in soil, water, and biological samples.
• Toxicology Research: Serves as a key compound in studies investigating the metabolic pathways, environmental fate, and health effects of specific PCB congeners.
• Method Development & Validation: Critical for developing and validating analytical methods in compliance with EPA, EU, and other international environmental monitoring protocols.
• Quality Control Material: Used in the preparation of certified reference materials (CRMs) and proficiency testing samples for laboratory accreditation.
• Industrial Research: Employed in research related to the degradation, dechlorination, and safe disposal of PCB-containing materials.
• Regulatory Compliance Testing: Essential for calibrating equipment used to ensure compliance with global regulations on PCB levels in consumer products and industrial effluents.

Basic Information

Product Name	2,4,4'-Trichlorobiphenyl
CAS No.	7012-37-5
Molecular Formula	C12H7Cl3
Molecular Weight	257.54 g/mol
Synonyms	PCB 28; 2,4,4'-Trichloro-1,1'-biphenyl; 1,1'-Biphenyl, 2,4,4'-trichloro-; 2,4,4'-Trichlorodiphenyl; 2,4,4'-Trichlorobiphenyl; 2,4,4'-TCB; Trichlorobiphenyl (mixed isomers reference); IUPAC: 1,3-dichloro-4-(4-chlorophenyl)benzene
EINECS	Contact for details

Quality Control

Our high-purity 2,4,4'-Trichlorobiphenyl is manufactured and handled under strict quality protocols to ensure batch-to-batch consistency and reliability for sensitive analytical applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity confirmation, and impurity profiles, typically determined by GC-FID/GC-MS. We adhere to relevant standards for high-purity reference materials to support your research and compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from strong acids and organic solvents. For long-term storage under an inert atmosphere, please contact us for specific recommendations.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Identification (GC/MS)	Conforms to reference
Assay (GC)	≥ 98.0%
Related Substances (GC)	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.