Description

1,7-Dichloronaphthalene is a high-purity, halogenated naphthalene derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in providing a versatile, chlorinated aromatic scaffold for constructing complex molecules in research and industrial synthesis. This compound is essential for manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, pesticides, and plant growth regulators.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor material for electron-transport or host materials in electronic displays and lighting.
• Liquid Crystal & Dye Intermediates: A foundational component for synthesizing specialized dyes, pigments, and liquid crystal compounds.
• Polymer & Material Science: Employed in the development of high-performance polymers, resins, and advanced organic materials.
• Chemical Research & Development: A versatile reagent for cross-coupling reactions, such as Suzuki or Negishi couplings, to create complex polycyclic structures.

Basic Information

Product Name	1,7-Dichloronaphthalene
CAS No.	2050-73-9
Molecular Formula	C₁₀H₆Cl₂
Molecular Weight	197.06 g/mol
Synonyms	1,7-Dichloronaphthalene; Naphthalene, 1,7-dichloro-; 1,7-Dichloronaphthalin; 1,7-Dichloro-naphthalene; NSC 404080; 2050-73-9; Dichloronaphthalene (1,7-)
EINECS	218-124-7

Quality Control

Our 1,7-Dichloronaphthalene is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with your specifications and industry standards.

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 and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 98 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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