Description

Phosphoric Acid, 2-Ethylhexyl Ester, Potassium Salt is an organophosphorus compound widely used as a high-performance surfactant and corrosion inhibitor. This potassium salt derivative offers enhanced solubility and stability compared to its acid form, making it a versatile additive in demanding industrial formulations. It is a critical component for manufacturers in the lubricant, metalworking, and polymer industries seeking to improve product performance and longevity.

Application

• Lubricant & Grease Additive: Functions as an anti-wear agent, extreme pressure additive, and corrosion inhibitor in synthetic and semi-synthetic lubricants and greases.
• Metalworking Fluids: Provides excellent lubrication and rust protection in cutting, grinding, and drawing fluids, extending tool life and improving surface finish.
• Polymer Stabilizer: Acts as a secondary antioxidant and metal deactivator in plastics and synthetic fibers to prevent thermal and oxidative degradation.
• Emulsifier & Surfactant: Used in the formulation of industrial and institutional cleaning products, agrochemical emulsions, and textile processing aids.
• Corrosion Inhibitor: Applied in water treatment systems, hydraulic fluids, and anti-corrosion coatings to protect ferrous and non-ferrous metals.
• Fuel & Oil Additive: Enhances the detergency and anti-corrosion properties of fuels and industrial oils.

Basic Information

Product Name	Phosphoric Acid, 2-Ethylhexyl Ester, Potassium Salt
CAS No.	68550-93-6
Molecular Formula	C8H17O4PK / Typically a mixture of mono- and di-esters
Molecular Weight	~232.3 g/mol (for mono-ester)
Synonyms	Potassium 2-Ethylhexyl Phosphate; 2-Ethylhexyl Phosphate Potassium Salt; Bis(2-ethylhexyl) Phosphate Potassium Salt (partial); Phosphoric Acid Mono(2-ethylhexyl) Ester Potassium Salt; Octyl Acid Phosphate Potassium Salt; Potassium O,O-Bis(2-ethylhexyl) Phosphorodithioate (related compound); Antiwear Agent KP-110; Lubricant Additive KP
EINECS	Contact for details

Quality Control

Our Phosphoric Acid, 2-Ethylhexyl Ester, Potassium Salt is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent composition, purity, and performance. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as active content, pH, moisture, and metal ion concentration, ensuring it meets the specifications required for your application.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Active Content)	≥ 85%
pH (10% Aqueous Solution)	6.0 - 8.5
Water Content	≤ 3.0%
Potassium Content	15.0 - 18.0%
Phosphorus Content	12.0 - 14.0%
Viscosity @ 25°C	Contact for details
Density @ 20°C	~1.10 - 1.20 g/mL

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