Description

1,2,3,7-Tetrachloronaphthalene is a halogenated polycyclic aromatic hydrocarbon (PAH) derivative, known for its specific chlorination pattern. This compound is valued for its role as a key synthetic intermediate and a model compound in environmental and materials science research. It is primarily utilized by R&D laboratories and industrial manufacturers engaged in the development of specialty chemicals, advanced materials, and analytical standards.

Application

• Chemical Intermediate: Serves as a crucial building block in the synthesis of more complex chlorinated naphthalene derivatives and other specialty organic compounds.
• Research & Development: Used as a reference standard and model compound in environmental studies to understand the fate, transport, and degradation of chlorinated PAHs.
• Material Science: Investigated for potential applications in the development of flame retardants, dielectric fluids, and other functional materials due to its halogenated structure.
• Analytical Standard: Employed as a certified reference material (CRM) in gas chromatography (GC) and mass spectrometry (MS) for calibration and method validation in analytical laboratories.
• Dye & Pigment Synthesis: Acts as a precursor in the production of certain halogenated dyes and pigments, contributing to color fastness and stability.

Basic Information

Product Name	1,2,3,7-Tetrachloronaphthalene
CAS No.	55720-41-7
Molecular Formula	C₁₀H₄Cl₄
Molecular Weight	265.95 g/mol
Synonyms	1,2,3,7-Tetrachloronaphthalene; Naphthalene, 1,2,3,7-tetrachloro-; Tetrachloronaphthalene (mixed isomers may be specified); PCN-27 (Polychlorinated Naphthalene congener designation); Halowax (related to commercial mixtures); Contact for details on additional trade names and identifiers.
EINECS	Contact for details

Quality Control

Our 1,2,3,7-Tetrachloronaphthalene is produced and handled under a strict quality management system. Each batch undergoes comprehensive analytical testing, including purity assay and identification by spectroscopic methods, to ensure it meets precise customer and research-grade specifications. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 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
Purity (HPLC)	≥ 95.0% (Research Grade)
Melting Point	Contact for details

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