Description

Potassium Octadecyl Phosphonate is an organophosphorus compound featuring a long alkyl chain, serving as a versatile intermediate and functional additive. Its molecular structure provides excellent surface activity and chelating properties, making it valuable for modifying material interfaces and controlling crystallization processes. This chemical is primarily utilized in industries such as polymer manufacturing, water treatment, and advanced material synthesis where performance and reliability are critical.

Application

• Polymer Additive: Acts as a nucleating agent, plasticizer, or flame retardant synergist in polyolefins and engineering plastics.
• Water Treatment Chemical: Functions as a scale and corrosion inhibitor in industrial cooling and boiler water systems.
• Surface Modification Agent: Used to treat fillers and pigments (e.g., calcium carbonate, titanium dioxide) to improve dispersion and compatibility in polymer matrices.
• Metalworking Fluid Component: Provides lubrication and anti-wear properties in synthetic and semi-synthetic metalworking fluids.
• Chelating Agent: Binds with di- and trivalent metal ions in various chemical processes and formulations.
• Textile Auxiliary: Employed as a softening agent or antistatic agent in fiber and fabric treatment.
• Detergent Builder: Serves as a co-builder in heavy-duty laundry and industrial cleaning formulations to enhance surfactant performance and sequester hardness ions.
• Research & Development: Used as a key intermediate in organic synthesis for developing new surfactants, lubricants, and specialty chemicals.

Basic Information

Product Name	Potassium Octadecyl Phosphonate
CAS No.	84030-29-5
Molecular Formula	C18H38KO3P
Molecular Weight	372.56 g/mol
Synonyms	Octadecylphosphonic Acid Potassium Salt; Potassium Stearylphosphonate; Phosphonic Acid, Octadecyl-, Potassium Salt; Stearylphosphonic Acid Potassium Salt; Potassium ODP; K-ODP; KSPh; 1-Octadecanephosphonic Acid Potassium Salt
EINECS	Contact for details

Quality Control

Our Potassium Octadecyl Phosphonate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing key parameters is provided with each shipment. We support customer audits and can supply documentation for regulatory compliance as required.

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 may affect product quality.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Potassium Content (Titration)	9.5 - 11.5%
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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