Description

Thiosulfonated Sulfurized Nitrophenols CAS NO 1326-86-9 is a specialized sulfur-containing phenolic compound engineered for high-performance applications. This product is valued for its unique chemical structure, which imparts excellent properties as a stabilizer and antioxidant in demanding environments. It is primarily utilized by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product longevity and performance under oxidative and thermal stress.

Application

• Polymer Stabilizer: Acts as a highly effective antioxidant and anti-aging agent in synthetic rubbers, plastics, and elastomers to prevent degradation.
• Lubricant Additive: Used in industrial and automotive lubricants and greases to provide extreme pressure (EP) properties and inhibit oxidation.
• Metalworking Fluids: Serves as a key component in cutting oils and coolants to improve lubricity and prevent rancidity.
• Fuel & Oil Additive: Functions as a stabilizer in fuels and industrial oils to control sludge formation and extend service life.
• Chemical Intermediate: Employed in the synthesis of more complex sulfurized phenolic antioxidants and specialty chemicals.
• Corrosion Inhibitor: Provides protective properties in coatings and functional fluids for metal surfaces.

Basic Information

Product Name	Thiosulfonated Sulfurized Nitrophenols
CAS No.	1326-86-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sulfurized Nitrophenols, Thiosulfonated Phenol; Sulfurized Phenolic Antioxidant; Phenol, sulfurized; Antioxidant TNPS; Lubricant Additive TNPS; CAS 1326-86-9
EINECS	Contact for details

Quality Control

Our Thiosulfonated Sulfurized Nitrophenols are manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity, performance, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing assay, physical properties, and impurity profiles is provided with every shipment to guarantee traceability and quality assurance for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Brown to dark brown viscous liquid or solid
Identification (IR)	Conforms to standard
Assay (Sulfur Content)	≥ 10.0 %
Moisture (KF)	≤ 0.5 %
Ash Content	≤ 0.3 %
Viscosity (40°C)	Contact for details

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