Description

Phosphoric Acid, Ethyl Ester, Potassium Salt is a specialized organophosphorus compound that serves as a key intermediate and functional additive in advanced chemical synthesis. Its value lies in its dual functionality, offering both the reactivity of a phosphate ester and the stability of a potassium salt, which is critical for precise formulation control. This product is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable, high-purity raw materials for complex processes.

Application

• Pharmaceutical Intermediate: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring phosphate ester functionalities.
• Agrochemical Formulations: Acts as a key component or intermediate in the production of certain herbicides, plant growth regulators, and pesticide synergists.
• Polymer & Resin Modification: Serves as a flame retardant additive or a cross-linking agent in specialty polymers and epoxy resin systems.
• Catalyst & Ligand Precursor: Utilized in organic synthesis and metal complexation reactions as a precursor for catalysts or ligands.
• Corrosion Inhibition: Incorporated into functional fluid formulations, such as coolants or hydraulic fluids, for its metal-passivating properties.
• Electrolyte Additive: Investigated for use in advanced battery electrolyte formulations to enhance stability and performance.

Basic Information

Product Name	Phosphoric Acid, Ethyl Ester, Potassium Salt
CAS No.	97489-53-7
Molecular Formula	C2H6KO4P
Molecular Weight	164.14 g/mol
Synonyms	Potassium Ethyl Phosphate; Potassium O,O-Diethyl Phosphate; Diethyl Potassium Phosphate; Ethylphosphoric Acid Potassium Salt; Potassium Diethyl Phosphate; Phosphoric Acid Diethyl Ester Potassium Salt; O,O-Diethyl Potassium Phosphorate; Potassium Salt of Diethyl Phosphate
EINECS	Contact for details

Quality Control

Our Phosphoric Acid, Ethyl Ester, Potassium Salt is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets exacting specifications for high-purity chemical intermediates. Certificates of Analysis (COA) documenting purity, physical characteristics, and safety data are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under dry, inert conditions to prevent degradation. Keep away from incompatible materials such as strong acids and oxidizers.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%
pH (5% solution)	6.0 - 8.0

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