Description

Ammonium Octadecyl Hydrogen Phosphate is an organophosphorus compound that functions as a versatile surfactant and corrosion inhibitor. Its molecular structure, featuring a long hydrophobic alkyl chain and a hydrophilic phosphate head group, makes it highly effective for modifying surface properties and providing protective coatings. This chemical is essential for manufacturers in the coatings, metalworking, and specialty chemical industries seeking to enhance product performance, stability, and longevity.

Application

• Corrosion Inhibitor: A key additive in metalworking fluids, coolants, and protective coatings to prevent rust and oxidation on ferrous and non-ferrous metals.
• Surfactant & Dispersant: Used in the formulation of paints, inks, and pigment dispersions to improve wetting, stability, and uniformity.
• Lubricant Additive: Enhances the anti-wear and extreme pressure (EP) properties of industrial lubricants and greases.
• Fiber & Textile Treatment: Imparts anti-static, softening, and water-repellent properties to synthetic and natural fibers.
• Paper Coating Agent: Acts as a sizing agent and processing aid to improve paper smoothness, printability, and moisture resistance.
• Ceramic & Plastic Processing Aid: Serves as a dispersant and release agent in the production of ceramics and engineered plastics.

Basic Information

Product Name	Ammonium Octadecyl Hydrogen Phosphate
CAS No.	7529-94-4
Molecular Formula	C₁₈H₄₂NO₄P
Molecular Weight	367.50 g/mol
Synonyms	Octadecylphosphonic Acid Monoammonium Salt; Stearylphosphonic Acid Ammonium Salt; Ammonium Stearyl Hydrogen Phosphate; Ammonium Monooctadecyl Phosphate; Octadecylphosphonate Ammonium Salt; ADHP; ODPA-NH4
EINECS	Contact for details

Quality Control

Our Ammonium Octadecyl Hydrogen Phosphate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets precise specifications. A Certificate of Analysis (COA) documenting purity, physical characteristics, and performance-related data is provided with every shipment to guarantee traceability and consistency for your industrial processes.

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); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white powder or flakes
Identification (IR)	Conforms
Assay (Titration)	≥ 95.0%
Loss on Drying	≤ 2.0%
Melting Point	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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