Description

Bis(p-Phenoxyphenyl) Ether is a high-purity diaryl ether compound valued for its thermal stability and chemical resistance. This specialty chemical serves as a critical intermediate and performance additive in advanced material formulations. It is essential for manufacturers in the polymer, electronics, and specialty chemical industries seeking to enhance product durability and performance under demanding conditions.

Application

• As a high-temperature plasticizer and stabilizer in engineering plastics and specialty polymers.
• Intermediate in the synthesis of advanced polyetherimide (PEI) resins and other high-performance polymers.
• Component in heat-resistant coatings and electrical insulation materials.
• Used in the formulation of high-index optical plastics and films.
• Potential monomer or additive for liquid crystal polymers (LCPs).
• Chemical intermediate for pharmaceuticals and agrochemicals.
• Additive in specialty lubricants and greases for extreme conditions.
• Research and development of novel organic electronic materials.

Basic Information

Product Name	Bis(p-Phenoxyphenyl) Ether
CAS No.	3379-41-7
Molecular Formula	C24H18O3
Molecular Weight	354.40 g/mol
Synonyms	1,1'-[Oxybis(4,1-phenyleneoxy)]dibenzene; 4,4'-[Oxybis(p-phenylenoxy)]diphenyl ether; Bis(4-phenoxyphenyl) ether; p,p'-Oxydiphenoxybenzene; 1,3-Bis(p-phenoxyphenoxy)benzene (isomer); Diphenyl ether, 4,4'-oxybis-; Aromatic ether oligomer; High-temperature diaryl ether
EINECS	222-178-8

Quality Control

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

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed when not in use to prevent contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	105 - 110 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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