Description

2,3-Dichloronaphthalene CAS NO 2050-75-1 is a halogenated naphthalene derivative characterized by its two chlorine substituents on the aromatic ring system. This compound serves as a versatile and critical chemical intermediate in advanced organic synthesis, enabling the production of complex molecules. It is primarily required by pharmaceutical, agrochemical, and specialty chemical manufacturers for research and development as well as process-scale applications.

Application

• As a key building block in the synthesis of pharmaceutical active ingredients (APIs).
• Intermediate in the production of agrochemicals, including herbicides and pesticides.
• Precursor for the development of liquid crystal materials and other advanced organic electronic compounds.
• Used in organic synthesis research to study electrophilic aromatic substitution and coupling reactions.
• Starting material for the manufacture of dyes and pigments.
• Potential monomer or intermediate in the synthesis of specialty polymers with unique thermal or optical properties.

Basic Information

Product Name	2,3-Dichloronaphthalene
CAS No.	2050-75-1
Molecular Formula	C10H6Cl2
Molecular Weight	197.06 g/mol
Synonyms	2,3-Dichloronaphthalene; Naphthalene, 2,3-dichloro-; 2,3-Dichloronaphthalin; 2,3-Dichloronaftalen; 2,3-Dichloronaphtalene; 2,3-DCN; NSC 404087
EINECS	218-121-7

Quality Control

Our 2,3-Dichloronaphthalene is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets the high standards required for synthetic intermediate applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory 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 incompatible materials such as strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
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.