Description

1,1-Oxybis[Bis(tert-Butyl)Benzene] is a specialized organic compound, a high-molecular-weight phenolic antioxidant and stabilizer. Its value lies in its ability to effectively inhibit oxidative degradation and thermal decomposition in demanding polymer systems. This product is essential for manufacturers in the polymer and specialty chemical industries seeking to enhance the longevity and performance stability of their materials under harsh conditions.

Application

• Primary antioxidant and processing stabilizer for polyolefins (PP, HDPE, LDPE) and engineering plastics.
• Used in the stabilization of adhesives, sealants, and elastomers to prevent premature aging.
• Effective additive in lubricants and greases to improve oxidative stability at high temperatures.
• Key intermediate in the synthesis of other specialty hindered phenol antioxidants.
• Stabilizer component for petroleum-derived products like fuels and transformer oils.
• Used in polymer masterbatches to provide consistent antioxidant performance during compounding and extrusion.

Basic Information

Product Name	1,1-Oxybis[Bis(tert-Butyl)Benzene]
CAS No.	85204-41-7
Molecular Formula	C28H42O
Molecular Weight	394.64 g/mol
Synonyms	1,1'-Oxybis[2,4-bis(1,1-dimethylethyl)benzene]; 2,2'-Methylenebis(4-methyl-6-tert-butylphenol) related antioxidant; Bis(3,5-di-tert-butyl-4-hydroxyphenyl) ether; Antioxidant 3114 (related); 4,4'-Oxybis(2,6-di-tert-butylphenol); High molecular weight hindered phenol; Phenolic antioxidant; Polymer stabilizer AO-3114 type
EINECS	Contact for details

Quality Control

Our production of 1,1-Oxybis[Bis(tert-Butyl)Benzene] adheres to a rigorous quality management system. Every batch is analyzed to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee traceability and compliance with your technical requirements.

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 oxidizing agents and heat sources. Under these conditions, the product remains stable for extended periods.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	155 - 165 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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