Description

2-(1,1-Dimethylethyl)-4-(1-Methyl-1-Phenylethyl)Phenol is a sterically hindered phenolic compound, also known as a substituted bisphenol. This chemical matters as a versatile high-performance antioxidant and intermediate, valued for its ability to inhibit oxidative degradation and thermal decomposition in various materials. It is primarily needed by manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance product longevity and stability under demanding conditions.

Application

• Polymer Stabilizer: Acts as a primary antioxidant in polyolefins (e.g., PP, PE), PVC, and engineering plastics to prevent thermal and oxidative degradation during processing and service life.
• Rubber Additive: Used in the production of synthetic rubbers (SBR, BR) and elastomers to improve aging resistance and maintain mechanical properties.
• Lubricant & Fuel Additive: Serves as an antioxidant in industrial lubricants, greases, and fuels to prevent sludge formation and viscosity increase.
• Chemical Intermediate: A key building block for synthesizing more complex antioxidants, UV stabilizers, and other specialty chemicals.
• Adhesive & Sealant Formulations: Enhances the shelf-life and durability of adhesives, sealants, and coatings by preventing resin degradation.

Basic Information

Product Name	2-(1,1-Dimethylethyl)-4-(1-Methyl-1-Phenylethyl)Phenol
CAS No.	56187-92-9
Molecular Formula	C19H24O
Molecular Weight	268.39 g/mol
Synonyms	2-tert-Butyl-4-(1-methyl-1-phenylethyl)phenol; 2-tert-Butyl-4-(α,α-dimethylbenzyl)phenol; 4-(1-Methyl-1-phenylethyl)-2-tert-butylphenol; Phenol, 2-(1,1-dimethylethyl)-4-(1-methyl-1-phenylethyl)-; Antioxidant BBPA; Bisphenol Derivative; Alkylated Phenol Antioxidant; (Contact for additional trade names)
EINECS	Contact for details

Quality Control

Our production of 2-(1,1-Dimethylethyl)-4-(1-Methyl-1-Phenylethyl)Phenol adheres to strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) upon request and can support compliance documentation for relevant global regulatory frameworks.

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 heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 105 °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.