Description

Tri-p-Tolyl Thiophosphate is an organophosphorus compound that serves as a versatile chemical intermediate and functional additive. Its primary value lies in its role as a precursor for synthesizing more complex phosphorus-containing molecules and as a potential stabilizer or modifier in polymer systems. This product is essential for R&D laboratories and industrial manufacturers in the agrochemical, polymer, and specialty chemical sectors seeking to develop new materials or enhance product performance.

Application

• Chemical Intermediate: A key building block in the synthesis of advanced organophosphorus compounds for agrochemicals (e.g., pesticides, herbicides) and flame retardants.
• Polymer Additive: Acts as a potential plasticizer, stabilizer, or processing aid in the formulation of specialty plastics and elastomers to modify physical properties.
• Lubricant & Hydraulic Fluid Additive: Used as an anti-wear or extreme pressure (EP) additive in industrial lubricants and functional fluids.
• Research & Development: Serves as a critical reagent in academic and industrial research for exploring new catalytic processes and material science applications.
• Flame Retardant Synergist: Can be employed in combination with other flame retardants to enhance the fire resistance of polymeric materials.
• Metal Extraction & Chelation: Investigated for use in solvent extraction processes for metal recovery and separation in hydrometallurgy.

Basic Information

Product Name	Tri-p-Tolyl Thiophosphate
CAS No.	597-84-2
Molecular Formula	C21H21O3PS
Molecular Weight	384.43 g/mol
Synonyms	Tris(4-methylphenyl) phosphorothioate; Phosphorothioic acid, O,O,O-tris(4-methylphenyl) ester; Tri(4-tolyl) thiophosphate; Tris(p-tolyl) thiophosphate; TTP; p-Tolyl phosphate sulfide; Tris(4-methylphenyl) thiophosphate; TOF
EINECS	209-915-7

Quality Control

Our Tri-p-Tolyl Thiophosphate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets precise specifications for industrial and research use. A Certificate of Analysis (COA) detailing batch-specific results is provided with each shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and sources of heat. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.18 - 1.22
Refractive Index (n20D)	1.570 - 1.580

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