Description

4,6-Di-tert-Butyl-2,3-Xylenol is a sterically hindered phenolic compound widely valued for its antioxidant and stabilizing properties. This chemical is critical for protecting materials from oxidative degradation, thereby extending their functional lifespan and performance. It is primarily needed by manufacturers in the polymer, rubber, lubricant, and specialty chemical industries seeking to enhance product durability.

Application

• Polymer Stabilizer: Acts as an effective antioxidant in polyolefins (e.g., polyethylene, polypropylene) to prevent thermal and oxidative degradation during processing and end-use.
• Rubber Additive: Used in synthetic rubber formulations to inhibit aging and maintain elasticity and mechanical properties.
• Lubricant & Fuel Antioxidant: Incorporated into industrial lubricants, greases, and fuels to prevent sludge formation and viscosity increase caused by oxidation.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex hindered phenol antioxidants and other specialty chemicals.
• Adhesive & Sealant Stabilizer: Enhances the shelf-life and performance stability of adhesives and sealants by protecting against oxidative cross-linking or weakening.
• Coating Additive: Provides oxidative stability to protective coatings and paints, preventing film brittleness and discoloration over time.

Basic Information

Product Name	4,6-Di-tert-Butyl-2,3-Xylenol
CAS No.	70766-54-0
Molecular Formula	C16H26O
Molecular Weight	234.38 g/mol
Synonyms	4,6-Di-tert-butyl-2,3-dimethylphenol; 2,3-Dimethyl-4,6-di-tert-butylphenol; 4,6-Bis(1,1-dimethylethyl)-2,3-dimethylphenol; DBX; 2,3-Xylenol, 4,6-di-tert-butyl-; Phenol, 4,6-bis(1,1-dimethylethyl)-2,3-dimethyl-; Antioxidant DBX; Butylated 2,3-xylenol
EINECS	Contact for details

Quality Control

Our 4,6-Di-tert-Butyl-2,3-Xylenol is produced under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure it meets precise purity and consistency standards. A Certificate of Analysis (COA) detailing all relevant specifications is provided with each 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 sources and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	98°C - 102°C
Loss on Drying	≤ 0.5%

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