Description

3,5-Di-tert-Butylphenol is a sterically hindered phenolic compound widely utilized as a versatile chemical intermediate and antioxidant precursor. Its molecular structure, featuring bulky tert-butyl groups, provides excellent stability and makes it a key building block for high-performance additives. This product is essential for manufacturers in the polymer, agrochemical, and specialty chemical industries seeking to enhance product durability and performance. We supply high-purity grades to meet the stringent demands of global B2B customers.

Application

• Antioxidant Synthesis: A primary intermediate for manufacturing high-performance phenolic antioxidants like Irganox 1010 and other hindered phenol stabilizers for plastics and polymers.
• Polymer Stabilization: Used to produce additives that protect polyolefins (PP, PE), elastomers, and adhesives from thermal and oxidative degradation.
• Agrochemical Intermediates: Serves as a key building block in the synthesis of certain pesticides, herbicides, and plant growth regulators.
• Lubricant & Fuel Additives: Incorporated into formulations to improve the oxidative stability and lifespan of industrial lubricants and fuels.
• UV Stabilizer Precursor: Used in the production of light stabilizers that protect materials from ultraviolet radiation damage.
• Pharmaceutical & Fine Chemical Intermediate: Employed in synthetic routes for specialized pharmaceutical compounds and other fine chemicals.

Basic Information

Product Name	3,5-Di-tert-Butylphenol
CAS No.	1138-52-9
Molecular Formula	C14H22O
Molecular Weight	206.32 g/mol
Synonyms	3,5-Bis(1,1-dimethylethyl)phenol; 3,5-Di-tert-butylphenol; 3,5-Di-t-butylphenol; Phenol, 3,5-bis(1,1-dimethylethyl)-; Phenol, 3,5-di-tert-butyl-; DTBP; DBPC (Di-tert-butyl-p-cresol related); Antioxidant 702; NSC 66427; 3,5-DTBP
EINECS	214-519-7

Quality Control

Our 3,5-Di-tert-Butylphenol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, melting point, and impurity profiles. Our quality commitment ensures the material meets the specifications required for sensitive applications in polymer stabilization and fine chemical synthesis.

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 heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	98°C - 102°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.