Description

4-tert-Butyl-2-Cyclopentylphenol is a specialized phenolic compound with a unique sterically hindered structure. This molecular architecture is critical for its function as a high-performance antioxidant and stabilizer in demanding industrial applications. It is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product longevity and prevent oxidative degradation under harsh conditions. The compound is supplied under strict quality control to ensure batch-to-batch consistency for our global B2B clients.

Application

• Polymer Stabilizer: Acts as a primary antioxidant in polyolefins (e.g., PP, PE) and engineering plastics to prevent thermal and oxidative degradation during processing and end-use.
• Lubricant & Fuel Additive: Used in synthetic lubricants, greases, and industrial fuels to inhibit oxidation, reduce sludge formation, and extend service life.
• Rubber Antioxidant: Imparts aging resistance to synthetic rubbers and elastomers, maintaining flexibility and mechanical properties.
• Intermediate for Specialty Chemicals: Serves as a key building block in the synthesis of more complex antioxidants, UV stabilizers, and pharmaceutical agents.
• Adhesive & Sealant Formulations: Enhances the shelf-life and stability of reactive adhesive systems by scavenging free radicals.

Basic Information

Product Name	4-tert-Butyl-2-Cyclopentylphenol
CAS No.	52762-67-1
Molecular Formula	C15H22O
Molecular Weight	218.33 g/mol
Synonyms	2-Cyclopentyl-4-tert-butylphenol; 4-(1,1-Dimethylethyl)-2-cyclopentylphenol; Phenol, 4-(1,1-dimethylethyl)-2-cyclopentyl-; 4-tert-Butyl-2-cyclopentyl-phenol; 2-Cyclopentyl-4-(tert-butyl)phenol; Antioxidant BCP; Stabilizer BCP
EINECS	Contact for details

Quality Control

Our 4-tert-Butyl-2-Cyclopentylphenol is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay by HPLC, identity confirmation (IR), and impurity profiling, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) documenting purity, physical characteristics, and test results is provided with each shipment to guarantee traceability and compliance.

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 product is easily oxidized; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve efficacy. 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	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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