Description

Trithiophosphorous Acid Tris(2-Ethoxyethyl) Ester is an organophosphorus compound with a unique thiophosphite structure, serving as a versatile intermediate and additive in advanced chemical synthesis. Its primary commercial value lies in its ability to act as a stabilizer, ligand, or precursor, offering enhanced performance in materials where oxidation resistance is critical. This product is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to improve product longevity and process efficiency.

Application

• As a stabilizer and antioxidant in synthetic lubricants and hydraulic fluids to prevent oxidative degradation.
• As a key chemical intermediate in the synthesis of more complex organophosphorus compounds for agrochemicals and pharmaceuticals.
• As a ligand or catalyst component in metal-catalyzed reactions and polymerization processes.
• As an additive in polymer formulations, such as PVC, to enhance thermal stability and processing characteristics.
• In the research and development of novel flame retardants and corrosion inhibitors.
• As a specialty reagent in organic synthesis laboratories for constructing sulfur- and phosphorus-containing molecules.

Basic Information

Product Name	Trithiophosphorous Acid Tris(2-Ethoxyethyl) Ester
CAS No.	73972-85-7
Molecular Formula	C12H27O3PS3
Molecular Weight	346.51 g/mol
Synonyms	Tris(2-ethoxyethyl) Trithiophosphite; Phosphorotrithious Acid Tris(2-Ethoxyethyl) Ester; 2-Ethoxyethyl Trithiophosphite; Tris(2-ethoxyethyl) Phosphorotrithioite; O,O',O''-Tris(2-ethoxyethyl) Trithiophosphite; P,P,P-Tris(2-ethoxyethyl) Phosphorotrithioite; Thiophosphorous Acid Tris(2-ethoxyethyl) Ester
EINECS	Contact for details

Quality Control

Our production of Trithiophosphorous Acid Tris(2-Ethoxyethyl) Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure consistency and reliability. A Certificate of Analysis (COA) detailing all critical parameters is provided with each shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) in a cool, dry, and well-ventilated area, away from heat and incompatible materials. Recommended storage temperature is 2-8°C for long-term stability. This material is easily oxidized; ensure containers are properly sealed after each use to minimize exposure to air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.480 - 1.520

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