Description

4-(1,1-Dimethylethyl)-2,3,6-Trimethylphenol is a hindered phenolic compound valued for its antioxidant and stabilizing properties. This chemical is essential for protecting materials from oxidative degradation, thereby extending their functional lifespan and performance. It is a critical intermediate and additive for manufacturers in the polymer, lubricant, and specialty chemical industries.

Application

• Polymer Stabilizer: Acts as a primary antioxidant in polyolefins (e.g., polyethylene, polypropylene) and other polymers to prevent thermal and oxidative degradation during processing and end-use.
• Lubricant & Fuel Additive: Used as an antioxidant additive in engine oils, industrial lubricants, and fuels to inhibit sludge formation and viscosity increase.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex hindered phenol antioxidants and other specialty chemicals.
• Rubber Industry: Employed as an antioxidant in the production of synthetic rubbers and elastomers to prevent cracking and loss of elasticity.
• Adhesive & Sealant Formulations: Enhances the shelf-life and thermal stability of adhesive and sealant products.
• Coating Additive: Provides oxidative stability to industrial coatings and paints, protecting against yellowing and film degradation.

Basic Information

Product Name	4-(1,1-Dimethylethyl)-2,3,6-Trimethylphenol
CAS No.	70766-53-9
Molecular Formula	C13H20O
Molecular Weight	192.30 g/mol
Synonyms	2,6-Dimethyl-4-tert-butylphenol; 4-tert-Butyl-2,6-dimethylphenol; 2,6-Dimethyl-4-(1,1-dimethylethyl)phenol; 4-tert-Butyl-2,6-xylenol; Butylated Hydroxytoluene (BHT) isomer; Phenol, 4-(1,1-dimethylethyl)-2,6-dimethyl-; Antioxidant 4-tert-Butyl-2,6-dimethylphenol
EINECS	274-851-0

Quality Control

Our 4-(1,1-Dimethylethyl)-2,3,6-Trimethylphenol is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical characteristics is provided with every shipment to guarantee traceability and compliance.

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 standard
Assay (HPLC)	≥ 98.0%
Melting Point	48 - 52 °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.