Description

Phosphoric Acid 2-Ethylhexyl Ester is a versatile organophosphorus compound widely used as an intermediate and functional additive. This product matters for its role in modifying material properties, particularly as an acid catalyst, extraction agent, or surfactant component. It is needed by manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance product performance and process efficiency.

Application

• Polymer & Resin Production: Acts as a catalyst or modifier in the synthesis of various polymers and epoxy curing agents.
• Lubricant & Grease Formulation: Serves as an anti-wear additive or corrosion inhibitor in industrial lubricants and metalworking fluids.
• Solvent Extraction: Utilized as an extractant for the separation and purification of metals in hydrometallurgical processes.
• Surfactant & Emulsifier Intermediate: A key building block for producing phosphate ester surfactants used in agrochemicals and industrial cleaners.
• Fuel & Oil Additive: Functions as a detergent or dispersant additive in fuel and lubricant packages to prevent deposit formation.
• Plasticizer & Stabilizer: Employed as a secondary plasticizer or stabilizer in specific PVC and other plastic formulations.

Basic Information

Product Name	Phosphoric Acid 2-Ethylhexyl Ester
CAS No.	12645-31-7
Molecular Formula	C8H19O4P
Molecular Weight	210.21 g/mol
Synonyms	2-Ethylhexyl Dihydrogen Phosphate; Bis(2-ethylhexyl) Hydrogen Phosphate (common misnomer for monoester); 2-Ethyl-1-hexanol Dihydrogen Phosphate; 2-Ethylhexyl Phosphate; O,O-Bis(2-ethylhexyl) Hydrogen Phosphorate (alternate); Phosphoric Acid Mono(2-ethylhexyl) Ester; EHPA (in extraction contexts); H2MEHP
EINECS	235-739-9

Quality Control

Our Phosphoric Acid 2-Ethylhexyl Ester is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistent purity and performance, meeting the specifications required for industrial and specialty applications. A Certificate of Analysis (COA) detailing key parameters such as assay, acidity, and identity is provided with every shipment to guarantee supply reliability and product traceability.

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 bases and oxidizing agents. Recommended storage temperature is between 15°C and 25°C. Due to its nature as a strong acid/organic solvent, ensure containers are clearly labeled and handling procedures are followed.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Acidity (as H3PO4)	≤ 2.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.00 - 1.10

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