Description

Trihexyl Phosphate is a high-purity organophosphate compound, widely recognized for its excellent solvating and plasticizing properties. Its primary value lies in its role as a selective extractant and process aid in critical industrial separations. This product is essential for manufacturers and researchers in the chemical, metallurgical, and polymer industries seeking reliable performance in complex formulations.

Application

• Solvent Extraction Agent: A key component in the hydrometallurgical process for the selective separation and purification of rare earth elements and other valuable metals.
• Plasticizer & Flame Retardant: Used as a secondary plasticizer and flame retardant additive in specialty polymer formulations, including PVC and synthetic resins.
• Process Solvent: Employed as a high-boiling, stable solvent in chemical synthesis and as a reaction medium for organometallic chemistry.
• Lubricant Additive: Functions as an anti-wear and extreme pressure (EP) additive in advanced synthetic lubricants and hydraulic fluids.
• Nuclear Fuel Reprocessing: Acts as a solvent extractant in the PUREX (Plutonium Uranium Reduction Extraction) process for nuclear fuel cycle applications.
• Gas Chromatography: Utilized as a stationary phase in analytical chromatography for the separation of complex mixtures.

Basic Information

Product Name	Trihexyl Phosphate
CAS No.	2528-39-4
Molecular Formula	C18H39O4P
Molecular Weight	350.47 g/mol
Synonyms	Tri-n-hexyl phosphate; THP; Hexyl phosphate (tri-); Phosphoric acid, trihexyl ester; Trihexylfosfat; TOHP; Tris(hexyloxy)phosphine oxide; O,O,O-Trihexyl phosphate
EINECS	219-772-0

Quality Control

Our Trihexyl Phosphate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, purity, and impurity profile determination, to ensure it meets the stringent requirements of industrial and research applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acidity (as H3PO4)	≤ 0.1%
Water Content (KF)	≤ 0.1%
Specific Gravity (20°C)	0.920 - 0.935
Refractive Index (20°C)	1.435 - 1.445

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