Description

trans-2,6-Bis(tert-Butyl)-4-(4-Propylcyclohexyl)Phenol is a high-purity, sterically hindered phenolic compound designed for advanced material science and specialty chemical synthesis. Its molecular architecture provides exceptional antioxidant and stabilizing properties, making it a critical performance additive in demanding industrial environments. This product is essential for R&D laboratories and manufacturers in the polymer, lubricant, and fine chemical sectors seeking to enhance product longevity and thermal stability.

Application

• Polymer Stabilizer: Acts as a highly effective primary antioxidant in polyolefins (e.g., PP, PE), engineering plastics, and synthetic rubbers to prevent thermal and oxidative degradation during processing and end-use.
• Lubricant & Fuel Additive: Used as an antioxidant additive in synthetic engine oils, industrial lubricants, and fuels to inhibit sludge formation, reduce viscosity increase, and extend service life.
• Intermediate for Specialty Chemicals: Serves as a key synthetic building block for producing more complex hindered phenol antioxidants, UV stabilizers, and pharmaceutical intermediates.
• Adhesive & Sealant Formulations: Incorporated to improve the aging resistance and durability of high-performance adhesives, sealants, and coatings.
• Elastomer Protection: Enhances the resistance of synthetic elastomers against cracking and hardening caused by heat and oxygen exposure.

Basic Information

Product Name	trans-2,6-Bis(tert-Butyl)-4-(4-Propylcyclohexyl)Phenol
CAS No.	189696-30-8
Molecular Formula	C23H38O
Molecular Weight	330.55 g/mol
Synonyms	2,6-Di-tert-butyl-4-(4-propylcyclohexyl)phenol; 4-(4-Propylcyclohexyl)-2,6-di-tert-butylphenol; Phenol, 2,6-bis(1,1-dimethylethyl)-4-(4-propylcyclohexyl)-, trans-; trans-4-(4-Propylcyclohexyl)-2,6-di-tert-butylphenol; AO-1135 (common industry designation); Hindered Phenol Antioxidant 1135; Antioxidant 1135
EINECS	Contact for details

Quality Control

Our trans-2,6-Bis(tert-Butyl)-4-(4-Propylcyclohexyl)Phenol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and consistent performance. 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.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 105 °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.