Description

5,8-Dichloro-3,4-Dihydro-2H-Naphthalen-1-One is a versatile chlorinated naphthalenone derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in providing a functionalized, halogenated core structure that enables the construction of complex molecules for high-value applications. This compound is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in therapeutic areas requiring complex fused-ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the chlorinated naphthalenone scaffold contributes to biological activity.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for developing electron-transport or host materials in display and lighting technologies.
• Dye and Pigment Intermediate: Functional core for creating specialized colorants with enhanced properties like lightfastness and thermal stability.
• Ligand and Catalyst Development: Used in academic and industrial research to synthesize novel chelating ligands for catalytic and coordination chemistry.
• Polymer Modification: Acts as a monomer or functionalizing agent to introduce specific properties into polymer backbones for high-performance materials.

Basic Information

Product Name	5,8-Dichloro-3,4-Dihydro-2H-Naphthalen-1-One
CAS No.	112933-45-6
Molecular Formula	C10H8Cl2O
Molecular Weight	215.08 g/mol
Synonyms	5,8-Dichloro-1-tetralone; 5,8-Dichloro-3,4-dihydro-2H-naphthalen-1(1H)-one; 5,8-Dichloro-α-tetralone; 1-Tetralone, 5,8-dichloro-; 5,8-Dichloro-3,4-dihydronaphthalen-1(2H)-one; 5,8-Dichloro-1-oxotetralin; 5,8-Dichlorotetralone
EINECS	Contact for details

Quality Control

Our 5,8-Dichloro-3,4-Dihydro-2H-Naphthalen-1-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent chemical identity. Certificates of Analysis (COA) detailing purity, impurities, and physical characteristics are provided with every shipment to support your quality assurance and regulatory compliance needs.

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 heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

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%
Heavy Metals	≤ 20 ppm

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