Description

4-Hydroxynonachlorodiphenyl Ether is a halogenated phenolic compound of significant interest in industrial and research chemistry. This chemical serves as a crucial intermediate or reference standard in the development of advanced materials and specialty chemicals. It is primarily utilized by manufacturers and R&D laboratories in the agrochemical, polymer, and flame-retardant sectors, where its unique chlorinated structure imparts specific functional properties.

Application

• As a key synthetic intermediate in the production of advanced flame retardants and polymer additives.
• Utilized in agrochemical research for the development of novel halogenated pesticides or herbicides.
• Serves as a reference standard or analytical reagent in environmental testing for persistent organic pollutants (POPs).
• Potential precursor in the synthesis of specialty dyes and pigments requiring chlorinated phenolic backbones.
• Used in material science research for modifying surface properties or creating functional coatings.
• Acts as a building block in pharmaceutical research for compounds with specific halogenated architectures.

Basic Information

Product Name	4-Hydroxynonachlorodiphenyl Ether
CAS No.	21567-21-5
Molecular Formula	C12H1Cl9O2
Molecular Weight	523.14 g/mol
Synonyms	Nonachloro-4-phenoxyphenol; 2,3,4,5,6-Pentachloro-1-(2,3,4,5,6-pentachlorophenoxy)benzene; 4-Hydroxynonachlorodiphenyl ether; 1-Hydroxy-2,3,4,5,6-pentachloro-1'-(2',3',4',5',6'-pentachlorophenoxy)benzene; Phenol, nonachlorodiphenyl ether, 4-hydroxy-; NSC 89292
EINECS	Contact for details

Quality Control

Our 4-Hydroxynonachlorodiphenyl Ether is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry benchmarks. A Certificate of Analysis (COA) detailing all test results is provided with every shipment and is available upon request.

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 heat, sparks, and open flames. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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