Description

2,4,5,8-Tetrachloro-1-Methoxynaphthalene is a halogenated naphthalene derivative with a methoxy substituent, serving as a versatile synthetic intermediate and functional material precursor. Its value lies in its unique polyhalogenated aromatic structure, which is crucial for introducing specific electronic and steric properties into advanced chemical systems. This compound is primarily needed by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty materials sectors for developing novel active ingredients and high-performance polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of complex drug molecules, particularly those requiring halogenated aromatic cores for bioactivity or metabolic stability.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the chlorinated naphthalene structure contributes to product efficacy.
• Organic Electronic Materials: Serves as a precursor for developing charge-transport materials, organic semiconductors, and non-linear optical (NLO) compounds.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of specialized, high-stability colorants and pigments for industrial applications.
• Liquid Crystal & Polymer Chemistry: Functional monomer or additive for creating polymers with specific thermal, optical, or mechanical properties.
• Research & Development: A valuable reagent in academic and industrial laboratories for exploring new organic reactions and catalytic processes.

Basic Information

Product Name	2,4,5,8-Tetrachloro-1-Methoxynaphthalene
CAS No.	74298-69-4
Molecular Formula	C11H6Cl4O
Molecular Weight	295.98 g/mol
Synonyms	1-Methoxy-2,4,5,8-tetrachloronaphthalene; Tetrachloromethoxynaphthalene; 2,4,5,8-Tetrachloro-1-methoxynaphthalene; 1-Methoxytetrachloronaphthalene; NSC 403104; 1-Methoxy-2,4,5,8-tetrachloro-naphthalene
EINECS	Contact for details

Quality Control

Our 2,4,5,8-Tetrachloro-1-Methoxynaphthalene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment. We are committed to meeting the stringent requirements of cGMP and ISO standards for advanced chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. The compound is light-sensitive; prolonged exposure to light should be avoided to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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