Description

2-tert-Butyl-5-Pentadecylphenol is a high-purity, hindered phenolic compound valued for its antioxidant and stabilizing properties. This specialty chemical is critical for enhancing the longevity and performance of materials susceptible to oxidative degradation. It is primarily sought by formulators and manufacturers in the polymer, lubricant, and fuel additive industries.

Application

• Polymer Stabilizer: Acts as a primary antioxidant in polyolefins (e.g., polyethylene, polypropylene) and other polymers to prevent thermal and oxidative degradation during processing and service life.
• Lubricant & Grease Additive: Used as an antioxidant additive in industrial lubricants, synthetic oils, and greases to extend oil life and protect machinery components.
• Fuel & Petrochemical Additive: Functions as a stabilizer in fuels, hydraulic fluids, and transformer oils to inhibit gum formation and oxidative breakdown.
• Rubber & Elastomer Antioxidant: Imparts aging resistance to synthetic rubbers and elastomers, preventing cracking and loss of elasticity.
• Adhesive & Sealant Formulations: Enhances the shelf-life and thermal stability of adhesive and sealant products.
• Intermediate for Specialty Chemicals: Serves as a key building block in the synthesis of more complex phenolic antioxidants and light stabilizers.

Basic Information

Product Name	2-tert-Butyl-5-Pentadecylphenol
CAS No.	32360-03-5
Molecular Formula	C25H44O
Molecular Weight	360.62 g/mol
Synonyms	2-(1,1-Dimethylethyl)-5-pentadecylphenol; 5-Pentadecyl-2-tert-butylphenol; Phenol, 2-(1,1-dimethylethyl)-5-pentadecyl-; 2-tert-Butyl-5-n-pentadecylphenol; Antioxidant 2-tert-Butyl-5-Pentadecylphenol; Hindered Phenolic Antioxidant; CAS 32360-03-5
EINECS	Contact for details

Quality Control

Our 2-tert-Butyl-5-Pentadecylphenol is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including assay, purity, and identity confirmation, to ensure it meets precise customer specifications and industry standards. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

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 maintaining under an inert atmosphere (e.g., nitrogen) to preserve efficacy. Keep away from strong oxidizing agents.

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%

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