Description

2,2'-Thiobis(4-Nonylphenol) is a high-purity phenolic antioxidant and chemical intermediate. This compound is valued for its ability to inhibit oxidative degradation and act as a stabilizer in various polymer and chemical synthesis processes. It is primarily needed by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product longevity and performance under demanding conditions.

Application

• Primary antioxidant and stabilizer in polyolefins (e.g., polyethylene, polypropylene) to prevent thermal and oxidative degradation.
• Additive in lubricating oils and greases to improve oxidative stability and extend service life.
• Intermediate in the synthesis of other specialized antioxidants and sulfur-containing compounds.
• Stabilizer component in adhesives, sealants, and elastomers to maintain material properties.
• Used in the production of rubber and other polymeric materials requiring long-term heat aging resistance.
• Potential use as a non-discoloring stabilizer in applications where color retention is critical.

Basic Information

Product Name	2,2'-Thiobis(4-Nonylphenol)
CAS No.	1258-75-9
Molecular Formula	C30H46O2S
Molecular Weight	470.75 g/mol
Synonyms	4,4'-Thiobis(2-nonylphenol); Bis(4-nonylphenyl) sulfide; 2,2'-Thiobis(4-nonylphenol); Antioxidant TNPP; Phenol, 4,4'-thiobis[2-nonyl-; Nonylphenol sulfide; 4-Nonylphenol, 4,4'-thiobis-; 2-Nonyl-4,4'-thiobisphenol
EINECS	215-007-1

Quality Control

Our 2,2'-Thiobis(4-Nonylphenol) is manufactured under a rigorous quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory needs.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Sulfur Content	6.5 - 7.2 %
Color (Gardner)	≤ 8
Moisture (KF)	≤ 0.5%

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