Description

1,1'-Oxybis(3-Phenoxybenzene) is a high-purity diaryl ether compound, also known by its CAS number 748-30-1. This chemical serves as a critical intermediate and functional additive valued for its thermal stability and compatibility with high-performance polymers. It is essential for manufacturers in the polymer, electronics, and specialty chemical industries seeking to enhance material properties. Our supply ensures consistent quality and reliable availability for global industrial applications.

Application

• Polymer Intermediate: Used in the synthesis of high-temperature resistant polymers, including polyethers and polyarylates.
• Epoxy Resin Modifier: Acts as a reactive diluent or flexibilizer to improve the toughness and thermal properties of epoxy systems.
• Electronic Chemicals: Employed as a precursor or additive in the production of electronic encapsulants and insulating materials.
• Liquid Crystal Polymers (LCPs): Functions as a monomeric building block for LCPs used in precision molded components.
• Adhesive & Sealant Formulations: Enhances the thermal and chemical resistance of high-performance adhesives.
• Specialty Plasticizers: Used in formulations requiring low volatility and high-temperature stability.
• Chemical Synthesis: Serves as a versatile intermediate for further organic synthesis in pharmaceutical and agrochemical research.

Basic Information

Product Name	1,1'-Oxybis(3-Phenoxybenzene)
CAS No.	748-30-1
Molecular Formula	C24H18O3
Molecular Weight	354.40 g/mol
Synonyms	Bis(3-phenoxyphenyl) Ether; 3,3'-Diphenoxydiphenyl Ether; 1,1'-Oxybis[3-phenoxybenzene]; 3-Phenoxyphenyl Ether; Diphenyl Ether, 3,3'-diphenoxy-; NSC 403796; Phenoxybenzene, 1,1'-oxybis(3-)
EINECS	212-034-7

Quality Control

Our 1,1'-Oxybis(3-Phenoxybenzene) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specification parameters. Our quality commitment aligns with ISO standards and meets the stringent requirements of industrial and research applications.

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. The container should be kept tightly sealed to prevent contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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