Description

2,6-Di-tert-Butyl-4-Octylphenol is a sterically hindered phenolic compound widely recognized for its antioxidant properties. This chemical is valued for its ability to inhibit oxidative degradation, thereby extending the service life and stability of various materials. It serves as a critical additive for manufacturers in the polymer, lubricant, fuel, and specialty chemical industries seeking to protect their products from thermal and oxidative stress.

Application

• Polymer Stabilizer: Acts as an effective antioxidant in polyolefins (e.g., polyethylene, polypropylene), elastomers, and other plastics to prevent chain scission and discoloration during processing and long-term use.
• Lubricant & Grease Additive: Inhibits oxidation in industrial oils, synthetic lubricants, and greases, reducing sludge formation and viscosity increase under high-temperature operating conditions.
• Fuel & Petrochemical Additive: Used in gasoline, diesel, and other hydrocarbon fuels to improve oxidation stability and prevent gum formation during storage and distribution.
• Rubber Antioxidant: Protects synthetic and natural rubber compounds from oxidative aging, maintaining elasticity and mechanical properties.
• Adhesive & Sealant Formulation: Enhances the shelf-life and thermal stability of adhesive resins and sealant materials.
• Intermediate for Specialty Chemicals: Serves as a key building block in the synthesis of more complex antioxidants and light stabilizers.

Basic Information

Product Name	2,6-Di-tert-Butyl-4-Octylphenol
CAS No.	35309-87-6
Molecular Formula	C26H46O
Molecular Weight	374.65 g/mol
Synonyms	4-Octyl-2,6-di-tert-butylphenol; 2,6-Di-tert-butyl-4-n-octylphenol; Phenol, 2,6-bis(1,1-dimethylethyl)-4-octyl-; DBOP; Octylated butylphenol; Antioxidant 300; AO 300; Butyloctylphenol
EINECS	Contact for details

Quality Control

Our production of 2,6-Di-tert-Butyl-4-Octylphenol adheres to stringent quality management protocols. Every batch is analyzed to ensure it meets precise chemical and physical specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee consistent performance and reliability for your formulations.

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 strong oxidizing agents and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or flakes
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.