Description

4,5-Dichloro-Quinoline is a versatile halogenated quinoline derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its dual chlorine substituents, which provide distinct reactivity for constructing complex molecular architectures. This high-purity building block is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries, enabling the development of novel active ingredients and functional compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with quinoline-based scaffolds.
• Agrochemical Synthesis: Used in the development of new generation herbicides, fungicides, and insecticides, leveraging its bio-active heterocyclic core.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials and emissive layer components in display and lighting technologies.
• Ligand and Catalyst Development: Utilized to create novel nitrogen-containing ligands for transition metal catalysis in fine chemical production.
• Corrosion Inhibition: Investigated as a component in formulations for protecting metals in industrial applications.
• Dye and Pigment Intermediate: Acts as a starting material for synthesizing specialized quinoline-based colorants.
• Academic and R&D: Employed in research laboratories for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	4,5-Dichloro-Quinoline
CAS No.	21617-18-5
Molecular Formula	C9H5Cl2N
Molecular Weight	198.05 g/mol
Synonyms	4,5-Dichloroquinoline; Quinoline, 4,5-dichloro-; 4,5-Dichloro-1-azanaphthalene; 4,5-Dichloroquinolin; 21617-18-5; 4,5-Dichloro-chinolin; 4,5-Dichloro-quinoleine
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-Quinoline is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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