Description

2,2-Dimethylpropanoic Acid 2,6-Bis(1,1-Dimethylethyl)-4-Methylphenyl Ester is a sterically hindered phenolic ester, valued for its role as a versatile intermediate and stabilizer in advanced polymer systems. Its molecular structure provides excellent thermal and oxidative stability, making it a critical component for enhancing material longevity. This compound is essential for manufacturers in the polymer, specialty chemical, and lubricant additive industries seeking to improve product performance under demanding conditions.

Application

• Polymer Additive: Acts as a high-performance antioxidant and light stabilizer in polyolefins (e.g., PP, PE), engineering plastics, and synthetic rubbers to prevent thermal degradation.
• Lubricant & Fuel Additive: Used as a stabilizer in synthetic lubricants, greases, and industrial fuels to inhibit oxidation and extend service life.
• Specialty Chemical Intermediate: Serves as a key building block for synthesizing more complex hindered phenol antioxidants and other specialty organic compounds.
• Adhesive & Sealant Formulations: Incorporated to enhance the aging resistance and durability of high-performance adhesives and sealants.
• Coating Stabilizer: Provides UV and thermal stabilization in protective coatings and paints, preventing chalking and color fade.
• Elastomer Stabilization: Improves the heat resistance and retards the aging process in various elastomeric materials.

Basic Information

Product Name	2,2-Dimethylpropanoic Acid 2,6-Bis(1,1-Dimethylethyl)-4-Methylphenyl Ester
CAS No.	54644-43-8
Molecular Formula	C20H32O2
Molecular Weight	304.47 g/mol
Synonyms	Pivalic Acid, 2,6-Di-tert-butyl-4-methylphenyl Ester; 2,6-Di-tert-butyl-p-cresyl Pivalate; DBPC-Pivalate; Pivalic Acid 3,5-Di-tert-butyl-4-hydroxyphenyl Ester; Antioxidant 1790; AO-1790; CAS 54644-43-8; Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-β-oxo-
EINECS	Contact for details

Quality Control

Our production of 2,2-Dimethylpropanoic Acid 2,6-Bis(1,1-Dimethylethyl)-4-Methylphenyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including assay, purity, and impurity profile analysis, to ensure it meets precise customer and industry specifications. Certificates of Analysis (COA) documenting all critical parameters are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases.

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%
Heavy Metals (as Pb)	≤ 10 ppm

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