Description

[(Phenylmethyl)Ethylidene]Bis[4-(1,1-Dimethylethyl)phenol] is a specialized phenolic antioxidant and chemical intermediate of significant industrial importance. Its molecular structure is engineered to provide excellent stabilization against oxidative degradation in various polymeric and organic systems. This compound is essential for manufacturers and R&D facilities in the polymer, specialty chemical, and lubricant industries seeking to enhance the longevity and performance of their products.

Application

• Polymer Stabilization: Acts as a highly effective antioxidant in polyolefins (e.g., polyethylene, polypropylene), engineering plastics, and synthetic rubbers to prevent thermal and oxidative degradation during processing and service life.
• Lubricant & Fuel Additive: Used as an antioxidant additive in engine oils, industrial lubricants, greases, and fuels to inhibit sludge formation, viscosity increase, and acid generation.
• Specialty Chemical Intermediate: Serves as a key building block for synthesizing more complex antioxidants, UV stabilizers, and other performance chemicals.
• Adhesive & Sealant Formulations: Incorporated to improve the thermal-oxidative stability of hot-melt adhesives, pressure-sensitive adhesives, and elastomeric sealants.
• Coating Resins: Enhances the durability of alkyd, acrylic, and other coating resins by protecting against polymer chain scission and discoloration caused by oxidation.

Basic Information

Product Name	[(Phenylmethyl)Ethylidene]Bis[4-(1,1-Dimethylethyl)phenol]
CAS No.	319489-90-2
Molecular Formula	C31H40O2
Molecular Weight	444.65 g/mol
Synonyms	2,2'-[(1-Methyl-1-phenylethylidene)bis(4-tert-butylphenol)]; Phenol, 4,4'-(1-methyl-1-phenylethylidene)bis[2-(1,1-dimethylethyl)-; 4,4'-(1-Methyl-1-phenylethylidene)bis(2-tert-butylphenol); Bis(4-tert-butyl-2-hydroxyphenyl)(1-phenylethylidene)methane; Antioxidant 3114 (common trade name); Phenolic Antioxidant 3114; AO-3114; Light stabilizer 3114
EINECS	Contact for details

Quality Control

Our production of [(Phenylmethyl)Ethylidene]Bis[4-(1,1-Dimethylethyl)phenol] adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced techniques like HPLC, GC, and NMR. A Certificate of Analysis (COA) detailing identity, assay, impurity profile, and physical properties is provided with every shipment to support your quality assurance and regulatory compliance needs.

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 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 reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	185 - 195 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm
Residue on Ignition	≤ 0.1%

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