Description

Nonylphosphonic Acid is a high-purity, synthetic organophosphorus compound valued for its strong chelating and surface-active properties. It serves as a critical intermediate and functional additive in advanced material synthesis and industrial processes. This product is essential for manufacturers and R&D teams in the chemical, electronics, and material science sectors seeking reliable performance in demanding applications.

Application

• Metal Extraction & Chelating Agent: Used as an effective extractant for rare earth and transition metals in hydrometallurgical processes.
• Scale & Corrosion Inhibitor: Functions in industrial water treatment and cooling systems to prevent mineral scale formation and metal corrosion.
• Surface Modification & Coupling Agent: Imparts hydrophilicity and improves adhesion on metal oxides and other inorganic surfaces for coatings and composites.
• Chemical Synthesis Intermediate: A key building block for producing more complex phosphonate esters, flame retardants, and specialty surfactants.
• Electronics & Semiconductor Processing: Employed in cleaning and etching formulations for silicon wafers and microelectronic components.
• Oilfield Chemicals: Acts as a component in drilling fluid additives and scale squeeze treatments for enhanced oil recovery.
• Analytical Reagent: Utilized in analytical chemistry for metal ion complexation and separation techniques.
• Biomimetic Material Research: Investigated for creating calcium phosphate coatings and materials that mimic biological mineralization.

Basic Information

Product Name	Nonylphosphonic Acid
CAS No.	4730-79-4
Molecular Formula	C₉H₂₁O₃P
Molecular Weight	208.24 g/mol
Synonyms	Nonane-1-phosphonic Acid; 1-Nonylphosphonic Acid; n-Nonylphosphonic Acid; Phosphonic Acid, Nonyl-; Pelargonylphosphonic Acid; NPA; 9-Phosphonononanoic Acid (alternative numbering); Monononylphosphonate
EINECS	225-229-3

Quality Control

Our Nonylphosphonic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent performance. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your specifications.

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 material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid or solid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0 %
Water Content (KF)	≤ 1.0 %
pH (1% aqueous solution)	≤ 3.0
Heavy Metals (as Pb)	≤ 10 ppm

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