Description

2-Chlorobiphenylene is a halogenated polycyclic aromatic hydrocarbon (PAH) derivative, identified by CAS NO 50558-21-9. This compound serves as a versatile and valuable advanced organic intermediate for the synthesis of complex molecules and functional materials. It is primarily required by pharmaceutical R&D laboratories and specialty chemical manufacturers engaged in developing novel compounds.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates.
• Material Science Research: Used in the development of organic semiconductors, liquid crystals, and other advanced functional materials.
• Agrochemical Synthesis: Serves as a precursor for creating novel herbicides, fungicides, or plant growth regulators.
• Organic Synthesis & Catalysis: Acts as a ligand precursor or a structural motif in catalytic systems and complex organic transformations.
• Dye & Pigment Manufacturing: Intermediate for producing specialized colorants and pigments with specific light-fastness or electronic properties.
• Academic & Industrial R&D: Essential for research in synthetic organic chemistry, medicinal chemistry, and polymer science.

Basic Information

Product Name	2-Chlorobiphenylene
CAS No.	50558-21-9
Molecular Formula	C12H7Cl
Molecular Weight	186.64 g/mol
Synonyms	2-Chlorobiphenylene; Biphenylene, 2-chloro-; 2-Chloro-1,2:3,4-dibenzocyclobutadiene; 2-Chlorodibenzocyclobutadiene; Chlorobiphenylene; 50558-21-9
EINECS	Contact for details

Quality Control

Our 2-Chlorobiphenylene is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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