Description

S,S,S-Tris(2-Ethylhexyl)Phosphorotrithioate is a high-purity organophosphorus compound, specifically a phosphorotrithioate ester, valued for its role as a versatile chemical intermediate and performance additive. Its molecular structure makes it an effective ligand, stabilizer, and modifier in advanced material synthesis and specialty formulations. This product is essential for manufacturers in the polymer, agrochemical, and lubricant industries seeking to enhance product performance and process efficiency.

Application

• Polymer Additive: Acts as a stabilizer and antioxidant in plastics and elastomers to prevent thermal and oxidative degradation.
• Chemical Intermediate: Serves as a key building block in the synthesis of more complex organophosphorus compounds for agrochemicals and pharmaceuticals.
• Lubricant & Fuel Additive: Functions as an extreme pressure (EP) additive and anti-wear agent in advanced lubricant formulations and industrial oils.
• Metal Extraction & Chelation: Utilized as a selective extractant or chelating agent in hydrometallurgy for the recovery of specific metal ions.
• Flame Retardant Synergist: Employed in combination with other flame retardants to improve efficacy in polymer and textile applications.
• Catalyst Ligand: Used in coordination chemistry and catalysis to modify metal center activity and selectivity in organic synthesis.

Basic Information

Product Name	S,S,S-Tris(2-Ethylhexyl)Phosphorotrithioate
CAS No.	181629-03-8
Molecular Formula	C30H63O3PS3
Molecular Weight	590.99 g/mol
Synonyms	Tris(2-ethylhexyl) Phosphorotrithioate; Tris(2-ethylhexyl) Trithiophosphate; Phosphorotrithioic Acid, Tris(2-ethylhexyl) Ester; TOETP; 2-Ethylhexyl Phosphorotrithioate; Thiophosphoric Acid Tris(2-ethylhexyl) Ester; Tris(2-ethylhexyl) Trithiophosphite; Tris(2-Ethylhexyl) Mercaptophosphate
EINECS	Contact for details

Quality Control

Our S,S,S-Tris(2-Ethylhexyl)Phosphorotrithioate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment to support your quality assurance protocols.

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. Keep container tightly sealed when not in use to minimize moisture uptake and prevent contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.950 - 0.980
Refractive Index (20°C)	1.480 - 1.500

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