Description

2,2'-Thiobis[3,6-Dicyclopentyl-p-Cresol] is a high-performance, sterically hindered phenolic antioxidant. This compound is valued for its exceptional ability to inhibit oxidative degradation and extend the service life of sensitive materials. It is primarily sought by manufacturers in the polymer, rubber, and specialty lubricant industries for its superior stabilizing properties under demanding conditions.

Application

• Primary antioxidant in polyolefins (e.g., PP, PE) and engineering plastics to prevent thermal-oxidative degradation during processing and end-use.
• Stabilizer for synthetic rubbers and elastomers, including SBR, BR, and NBR, to maintain elasticity and prevent cracking.
• Additive in lubricating greases, industrial oils, and transformer fluids to enhance oxidative stability and prolong operational life.
• Protective agent in adhesive and sealant formulations to prevent viscosity increase and loss of adhesion properties.
• Stabilizing component in hydrocarbon-based fuels and petrochemical intermediates to prevent gum formation.

Basic Information

Product Name	2,2'-Thiobis[3,6-Dicyclopentyl-p-Cresol]
CAS No.	55036-36-7
Molecular Formula	C36H50O2S
Molecular Weight	546.85 g/mol
Synonyms	2,2'-Thiobis(6-cyclopentyl-4-methylphenol); Antioxidant 300; Bis(6-cyclopentyl-2-methyl-4-hydroxyphenyl) Sulfide; 4,4'-Thiobis(2-cyclopentyl-6-methylphenol); Phenolic Sulfide Antioxidant; Low Volatility Phenolic Antioxidant; CAS 55036-36-7
EINECS	Contact for details

Quality Control

Our production of 2,2'-Thiobis[3,6-Dicyclopentyl-p-Cresol] adheres to stringent quality management protocols. Every batch is analyzed to ensure consistent purity, performance, and compliance with relevant industry specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with each shipment and is 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). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Melting Point	125 - 135 °C
Loss on Drying	≤ 0.5 %
Ash Content	≤ 0.1 %

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