Description

2,6-Bis(Methyltiomethyl)-4-Methylphenol is a specialized phenolic compound featuring dual methylthiomethyl substituents, which confer unique antioxidant and stabilizing properties. This chemical is valued for its ability to act as an effective antioxidant and metal deactivator, protecting materials from oxidative degradation and thermal stress. It is primarily sought after by manufacturers in the polymer, rubber, and lubricant industries for formulating high-performance stabilizer packages.

Application

• As a primary or secondary antioxidant in polyolefins (e.g., polyethylene, polypropylene) to prevent thermal and oxidative degradation during processing and service life.
• As a stabilizer and metal deactivator in synthetic lubricants, greases, and industrial oils to enhance their thermal-oxidative stability.
• As an anti-aging additive in rubber compounds, including synthetic rubbers like SBR and NBR, to extend product lifespan.
• In the formulation of adhesives and sealants to improve resistance to heat and environmental weathering.
• As a stabilizing component in fuel and petrochemical additive packages to inhibit gum formation.
• As an intermediate in the synthesis of more complex antioxidant molecules and specialty chemicals.

Basic Information

Product Name	2,6-Bis(Methyltiomethyl)-4-Methylphenol
CAS No.	4526-39-0
Molecular Formula	C11H16OS2
Molecular Weight	228.37 g/mol
Synonyms	2,6-Bis(methylthiomethyl)-p-cresol; 4-Methyl-2,6-bis(methylthiomethyl)phenol; Antioxidant 736; Phenol, 2,6-bis(methylthiomethyl)-4-methyl-; Lowinox 44B25; AO 736; CAS 4526-39-0
EINECS	Contact for details

Quality Control

Our 2,6-Bis(Methyltiomethyl)-4-Methylphenol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, melting point, and impurity profiles are available upon request to support your quality assurance protocols.

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 standard
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.