Description

O,o-Dihexyl Hydrogen Dithiophosphate is a high-purity organophosphorus compound widely utilized as a versatile intermediate and performance additive. Its primary value lies in its ability to act as an effective ligand, collector, and stabilizer in various demanding industrial processes. This product is essential for manufacturers and R&D facilities in the mining, polymer, and specialty chemical sectors seeking reliable, high-quality raw materials for advanced formulations.

Application

• Mining Industry: Primarily used as a highly effective flotation collector for sulfide ores, particularly in the beneficiation of copper, lead, and zinc.
• Polymer Stabilization: Acts as a secondary antioxidant and metal deactivator in plastics and synthetic rubbers to prevent thermal degradation.
• Lubricant Additive: Functions as an extreme pressure (EP) and anti-wear agent in advanced lubricating oils and greases.
• Chemical Synthesis: Serves as a key intermediate and ligand in organometallic chemistry and catalytic processes.
• Corrosion Inhibition: Used in formulations for metalworking fluids and industrial coolants to protect ferrous and non-ferrous metals.
• Agricultural Chemicals: Employed as an intermediate in the synthesis of certain pesticides and insecticides.

Basic Information

Product Name	O,o-Dihexyl Hydrogen Dithiophosphate
CAS No.	78-64-8
Molecular Formula	C₁₂H₂₇O₂PS₂
Molecular Weight	298.45 g/mol
Synonyms	Dihexyl Dithiophosphoric Acid; Dihexyl Dithiophosphate; Dithiophosphoric Acid O,O-Dihexyl Ester; Hexyl Dithiophosphate; DTPA; O,O-Dihexyl Hydrogen Phosphorodithioate; O,O-Dihexyl Dithiophosphate; Phosphorodithioic Acid O,O-Dihexyl Ester
EINECS	201-129-5

Quality Control

Our O,o-Dihexyl Hydrogen Dithiophosphate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials such as strong oxidizers and bases. Recommended storage temperature is between 15°C and 25°C. The product is moisture-sensitive; keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acidity (as H₃PO₄)	≤ 1.0%
Specific Gravity (20°C)	1.00 - 1.05
Refractive Index (n20D)	1.480 - 1.490

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