Description

O,o-Bis(2-Ethylhexyl) Hydrogen Dithiophosphate is a versatile organophosphorus compound widely used as a high-performance additive and intermediate. Its primary value lies in its excellent metal-chelating and anti-wear properties, making it a critical component in advanced lubricant and fuel formulations. This product is essential for manufacturers in the lubricant, metalworking fluid, and agrochemical industries seeking to enhance product stability and performance.

Application

• Lubricant & Grease Additive: Functions as an effective anti-wear, extreme pressure (EP), and antioxidant agent in industrial and automotive lubricants.
• Metalworking Fluids: Used in cutting oils and hydraulic fluids to provide superior lubrication and protect metal surfaces from wear and corrosion.
• Fuel & Oil Additive: Acts as a detergent and stabilizer in gasoline and diesel fuels to prevent deposit formation and improve engine cleanliness.
• Agrochemical Intermediate: Serves as a key precursor in the synthesis of organophosphate pesticides and insecticides.
• Flotation Agent: Employed in mineral processing as a collector for sulfide ores due to its strong affinity for metal ions.
• Corrosion Inhibitor: Provides effective protection for ferrous and non-ferrous metals in various industrial systems and coolants.
• Polymer Stabilizer: Used as a secondary antioxidant and metal deactivator in plastics and rubber to prevent thermal degradation.

Basic Information

Product Name	O,o-Bis(2-Ethylhexyl) Hydrogen Dithiophosphate
CAS No.	5810-88-8
Molecular Formula	C16H35O2PS2
Molecular Weight	354.53 g/mol
Synonyms	Bis(2-ethylhexyl) dithiophosphoric acid; Di(2-ethylhexyl) dithiophosphoric acid; 2-Ethylhexyl hydrogen dithiophosphate; O,O-Di(2-ethylhexyl) hydrogen phosphorodithioate; Dithiophosphoric acid O,O-bis(2-ethylhexyl) ester; Phosphorodithioic acid O,O-bis(2-ethylhexyl) ester; EH DTP; D2EHDTPA
EINECS	227-374-8

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and customer-specific requirements. Each batch is analyzed using advanced techniques including GC, HPLC, and titration to verify identity, purity, and key performance parameters. Certificates of Analysis (COA) are available upon request, providing full traceability and assurance of consistent quality for your manufacturing processes.

Storage

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

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (by Titration)	≥ 95.0%
Acidity (as H3PO4)	≤ 1.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.970 - 1.010
Refractive Index (nD20)	1.470 - 1.490

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