Description

4-(1,1-Dimethylethyl)-2,3-Dimethylphenol is a sterically hindered phenolic compound, valued for its role as a versatile intermediate and antioxidant precursor. Its molecular structure provides excellent stability, making it a critical component in the synthesis of high-performance additives. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance the oxidative stability and longevity of their formulations.

Application

• Antioxidant Synthesis: A key intermediate in the production of high-performance phenolic antioxidants for plastics and rubber.
• Polymer Stabilizers: Used to manufacture stabilizers that protect polymers like polyolefins from thermal and oxidative degradation.
• Lubricant & Fuel Additives: Serves as a precursor for additives that prevent sludge formation and viscosity increase in oils and fuels.
• Pharmaceutical Intermediates: Employed in the synthesis of certain active pharmaceutical ingredients (APIs) and fine chemicals.
• Agrochemicals: Used in the production of certain pesticides and herbicides as a stabilizing agent or intermediate.
• Specialty Resins: Acts as a monomer or modifier in the synthesis of specialty phenolic resins.

Basic Information

Product Name	4-(1,1-Dimethylethyl)-2,3-Dimethylphenol
CAS No.	68189-19-5
Molecular Formula	C12H18O
Molecular Weight	178.27 g/mol
Synonyms	2,3-Dimethyl-4-tert-butylphenol; 4-tert-Butyl-2,3-dimethylphenol; 2,3-Dimethyl-4-(tert-butyl)phenol; Phenol, 4-(1,1-dimethylethyl)-2,3-dimethyl-; 4-tert-Butyl-2,3-xylenol; 2,3-Xylenol, 4-tert-butyl-; DTBP (in specific contexts); Butylated dimethylphenol
EINECS	Contact for details

Quality Control

Our 4-(1,1-Dimethylethyl)-2,3-Dimethylphenol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity and composition. Certificates of Analysis (COA) are provided and available upon request, detailing key parameters such as assay and impurity profiles to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen) to maintain optimal purity and stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.