Description

2,2'-Thiobis(4-Methylphenol) is a phenolic antioxidant and chemical intermediate characterized by its sulfur-bridged bisphenol structure. This compound is valued for its ability to inhibit oxidative degradation, thereby extending the service life of various materials. It is primarily utilized by manufacturers in the polymer, rubber, and specialty chemical industries seeking to enhance product stability and performance.

Application

• Polymer Stabilizer: Acts as an effective antioxidant and light stabilizer in polyolefins (e.g., polyethylene, polypropylene) and other polymers to prevent thermal and oxidative degradation during processing and end-use.
• Rubber Industry: Used as a non-staining, non-discoloring antioxidant in synthetic rubbers and latex to protect against aging and maintain elasticity.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex antioxidants, phosphite stabilizers, and other specialty chemicals.
• Lubricant & Fuel Additive: Incorporated into industrial lubricants, greases, and fuels to improve oxidative stability and prevent sludge formation.
• Adhesives and Sealants: Enhances the shelf-life and durability of adhesive formulations by protecting against oxidative cross-linking or breakdown.

Basic Information

Product Name	2,2'-Thiobis(4-Methylphenol)
CAS No.	2929-96-6
Molecular Formula	C14H14O2S
Molecular Weight	246.32 g/mol
Synonyms	2,2'-Thiobis(4-methylphenol); 4,4'-Thiobis(2-methylphenol); 2,2'-Thiobis(p-cresol); Bis(2-hydroxy-5-methylphenyl) sulfide; Antioxidant 736; Santowhite® TBMC; TBMP; p-Cresol sulfide
EINECS	220-894-6

Quality Control

Our 2,2'-Thiobis(4-Methylphenol) is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets defined specifications for identity, purity, and physical properties. A Certificate of Analysis (COA) detailing the results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°C
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.