Description

2,6-Di-tert-Butyl-4-Hydroxyphenyl Acetate is a sterically hindered phenolic ester widely utilized as a versatile intermediate and antioxidant precursor. Its molecular structure provides excellent stability, making it a critical building block for synthesizing high-performance additives. This compound is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product longevity and resist oxidative degradation.

Application

• Antioxidant Synthesis: A key intermediate in the production of high-molecular-weight phenolic antioxidants for plastics and rubber.
• Polymer Stabilizers: Used to manufacture additives that protect polyolefins (PP, PE) and other polymers from thermal and oxidative degradation during processing and service life.
• Lubricant & Fuel Additives: Serves as a precursor for antioxidants that prevent sludge formation and viscosity increase in industrial oils, greases, and fuels.
• Specialty Chemical Intermediate: Employed in organic synthesis for creating custom hindered phenol derivatives with specific functional properties.
• Cosmetic & Personal Care Ingredients: Used in the synthesis of antioxidants for stabilizing formulations against rancidity and color change.
• Research & Development: A valuable reference standard and starting material in chemical research exploring new stabilization mechanisms.

Basic Information

Item	Details
Product Name	2,6-Di-tert-Butyl-4-Hydroxyphenyl Acetate
CAS No.	32102-41-3
Molecular Formula	C18H28O3
Molecular Weight	292.41 g/mol
Synonyms	2,6-Di-tert-butyl-4-hydroxyphenyl acetate; 4-Acetoxy-2,6-di-tert-butylphenol; 2,6-Di-tert-butyl-4-acetoxyphenol; Acetic acid 3,5-di-tert-butyl-4-hydroxyphenyl ester; DBHA; Phenol, 2,6-bis(1,1-dimethylethyl)-4-, acetate; Antioxidant AO-40 intermediate
EINECS	250-904-1

Quality Control

Our 2,6-Di-tert-Butyl-4-Hydroxyphenyl Acetate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets stringent specifications for use as a chemical intermediate. Certificates of Analysis (COA) documenting batch-specific results are available upon request 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 easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen). 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	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.