Description

1,2,3,4,6,8,9-Heptachlorodiphenyleneoxide is a highly chlorinated polycyclic aromatic compound, serving as a critical intermediate and reference standard in advanced chemical research and development. Its defined structure and purity are essential for studies in environmental chemistry, material science, and the synthesis of complex organic molecules. This product is primarily needed by R&D laboratories, analytical service providers, and specialty chemical manufacturers focused on halogenated compound research and high-performance material precursors.

Application

• Chemical Research & Development: A key intermediate for synthesizing novel halogenated aromatic compounds and complex molecular architectures.
• Analytical Reference Standard: Used as a certified reference material (CRM) in gas chromatography (GC) and mass spectrometry (MS) for method development and calibration in environmental and industrial analysis.
• Environmental Fate Studies: Employed in research to understand the persistence, degradation pathways, and environmental impact of polychlorinated compounds.
• Material Science Precursor: Investigated for the development of specialized polymers, flame retardants, and other high-performance materials where chlorinated aromatic structures are beneficial.
• Pharmaceutical Intermediates: Serves as a building block in the research phase for developing active pharmaceutical ingredients (APIs) with complex polycyclic frameworks.

Basic Information

Product Name	1,2,3,4,6,8,9-Heptachlorodiphenyleneoxide
CAS No.	69698-58-4
Molecular Formula	C12HCl7O
Molecular Weight	456.19 g/mol
Synonyms	Heptachlorodiphenylene Oxide; 1,2,3,4,6,8,9-Heptachlorodibenzo[b,e][1,4]dioxin; NSC 89289; 1,2,3,4,6,8,9-Heptachlorodibenzodioxin; Heptachlorodibenzodioxin; 1,2,3,4,6,8,9-HeptaCDD; Diphenylene oxide, heptachloro-
EINECS	Contact for details

Quality Control

Every batch of 1,2,3,4,6,8,9-Heptachlorodiphenyleneoxide is subjected to rigorous analytical testing to ensure identity, purity, and consistency. Our quality management system supports the provision of comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay and impurity profiles. We are committed to meeting the stringent requirements of research and industrial applications, with specifications tailored to client needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials and sources of ignition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Loss on Drying	≤ 0.5%

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