Description

Dioctyl Hydrogen Phosphate is an organophosphorus compound widely utilized as an intermediate and extractant in various industrial processes. Its value lies in its ability to act as a selective chelating agent and a versatile chemical building block for synthesizing more complex phosphate esters. This product is essential for manufacturers and researchers in the chemical, metallurgical, and pharmaceutical sectors seeking reliable, high-purity raw materials.

Application

• Metal Extraction & Hydrometallurgy: A key extractant for the selective separation and recovery of rare earth elements, uranium, and other valuable metals from aqueous solutions.
• Chemical Synthesis Intermediate: Used in the production of other phosphate esters, surfactants, and specialized organophosphorus compounds.
• Lubricant & Fuel Additive Precursor: Serves as a base material for formulating anti-wear additives and corrosion inhibitors.
• Solvent Extraction Processes: Employed in the purification and separation of organic acids and other compounds in fine chemical manufacturing.
• Analytical Chemistry: Functions as a complexing agent in certain analytical techniques for metal ion detection and analysis.
• Polymer & Plastic Additives: Can be used as a stabilizer or processing aid in specific polymer formulations.

Basic Information

Product Name	Dioctyl Hydrogen Phosphate
CAS No.	3115-39-7
Molecular Formula	C₁₆H₃₅O₄P
Molecular Weight	322.42 g/mol
Synonyms	Di-n-octyl hydrogen phosphate; Di-n-octyl phosphate; Dioctyl acid phosphate; DOP; O,O-Dioctyl hydrogen phosphorate; Bis(octyl) hydrogen phosphate; Phosphoric acid, dioctyl ester; Octyl phosphate (partial ester); EINECS 221-487-5
EINECS	221-487-5

Quality Control

Our Dioctyl Hydrogen Phosphate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets precise specifications for industrial and research applications. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); containers must be kept tightly sealed to prevent absorption of atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Acid Value	Contact for details
Specific Gravity (20°C)	~0.97

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