Description

1,2,5,6-Tetrachloronaphthalene is a halogenated polycyclic aromatic hydrocarbon characterized by its specific substitution pattern of chlorine atoms on the naphthalene core. This compound serves as a valuable specialty chemical intermediate and research-grade material for advanced synthesis and material science applications. It is primarily utilized by industries involved in the development of functional materials, liquid crystals, and pharmaceutical research.

Application

• Chemical Intermediate: A key building block for synthesizing more complex polycyclic aromatic compounds and specialty chemicals.
• Material Science Research: Used in the development and study of organic semiconductors, charge-transport materials, and liquid crystals due to its planar, halogenated structure.
• Flame Retardant Studies: Investigated as a potential component or model compound in flame-retardant formulations for polymers and textiles.
• Pharmaceutical Research: Serves as a precursor or scaffold in medicinal chemistry for the discovery of new bioactive molecules.
• Dye and Pigment Synthesis: Acts as an intermediate in the production of specialized halogenated dyes and pigments.
• Analytical Reference Standard: Used as a high-purity standard in environmental, chemical, and regulatory testing (e.g., for PCB analysis or halogenated hydrocarbon studies).

Basic Information

Product Name	1,2,5,6-Tetrachloronaphthalene
CAS No.	67922-22-9
Molecular Formula	C₁₀H₄Cl₄
Molecular Weight	265.95 g/mol
Synonyms	1,2,5,6-Tetrachloronaphthalene; Naphthalene, 1,2,5,6-tetrachloro-; Tetrachloronaphthalene (mixed isomers may be specified); TCN (abbreviation); 1,2,5,6-Tetrachlornaphthalin; NSC 404108; CCRIS 6051
EINECS	Contact for details

Quality Control

Our 1,2,5,6-Tetrachloronaphthalene is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters such as assay (by HPLC or GC), identification (by IR or NMR), and impurity profiles. Specifications can be tailored to meet specific research or industrial grade requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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 reference spectrum
Assay (HPLC/GC)	≥ 98.0%
Melting Point	185 - 190 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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