Description

2,5-Dichlorobiphenyl is a specific chlorinated biphenyl compound, a member of a class of chemicals historically used in various industrial applications. Its defined structure makes it a valuable reference standard and analytical intermediate for environmental testing, chemical research, and material science. This product is primarily utilized by research laboratories, analytical service providers, and specialty chemical manufacturers engaged in method development, calibration, and synthesis.

Application

• Analytical Reference Standard: Used for calibrating instruments and validating analytical methods in gas chromatography (GC) and mass spectrometry (MS) for PCB analysis.
• Environmental Testing: Serves as a critical standard for the identification and quantification of polychlorinated biphenyl (PCB) congeners in soil, water, and waste samples to meet regulatory compliance.
• Chemical Research & Synthesis: Acts as a building block or intermediate in organic synthesis for developing new compounds in academic and industrial R&D settings.
• Material Science Studies: Employed in research concerning the properties and behavior of chlorinated aromatic compounds in various matrices.
• Quality Control & Assurance: Used by chemical manufacturers and testing laboratories to ensure the accuracy and precision of their analytical procedures for related compounds.

Basic Information

Product Name	2,5-Dichlorobiphenyl
CAS No.	34883-39-1
Molecular Formula	C12H8Cl2
Molecular Weight	223.10 g/mol
Synonyms	1,4-Dichloro-2-phenylbenzene; 2,5-Dichloro-1,1'-biphenyl; PCB 9; 2,5-Dichlorodiphenyl; 2,5-DCB; Biphenyl, 2,5-dichloro-; 2,5-Dichlorobiphenyl (PCB No. 9)
EINECS	Contact for details

Quality Control

Our 2,5-Dichlorobiphenyl is produced and handled under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure high purity and consistent identity, typically including assays by GC or HPLC. A comprehensive Certificate of Analysis (COA) detailing purity, identity confirmation, and impurity profiles is provided with every shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 98.0%
Melting Point	Contact for details

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