Description

16-Phosphonohexadecanoic Acid is a high-purity, long-chain phosphonic acid derivative that serves as a critical functional intermediate. Its unique bifunctional structure, featuring both a phosphonic acid and a carboxylic acid group, makes it an essential building block for creating specialized surface modifiers and metal-chelating agents. This compound is particularly valuable for researchers and manufacturers in the advanced materials, nanotechnology, and specialty polymer sectors seeking to engineer specific surface properties and adhesion characteristics.

Application

• Surface Modification Agent: Used to create self-assembled monolayers (SAMs) on metal oxides (e.g., titanium, aluminum) for corrosion inhibition, biocompatibility enhancement, or to alter surface wettability.
• Polymer Additive & Monomer: Acts as a functional comonomer or additive to impart metal-chelating properties, flame retardancy, or improved adhesion to inorganic substrates in specialty polymers and coatings.
• Nanoparticle Functionalization: Essential for the surface functionalization of nanoparticles (e.g., quantum dots, iron oxide NPs) to improve dispersion stability, biocompatibility, and enable further bioconjugation.
• Dental & Biomedical Materials: Employed in the formulation of dental adhesives and bone cement composites to promote strong bonding to tooth enamel or hydroxyapatite in bone.
• Scale & Corrosion Inhibitor Precursor: Serves as a precursor molecule for developing high-performance antiscalant and corrosion inhibitor formulations in industrial water treatment.
• Chromatography & Separation Media: Utilized in the synthesis of chelating stationary phases for immobilized metal affinity chromatography (IMAC) to purify proteins and other biomolecules.
• Lubricant & Fuel Additive Intermediate: Functions as an intermediate for synthesizing advanced friction modifiers and anti-wear additives for high-performance lubricants and fuels.

Basic Information

Item	Details
Product Name	16-Phosphonohexadecanoic Acid
CAS No.	443361-18-0
Molecular Formula	C₁₆H₃₃O₅P
Molecular Weight	336.40 g/mol
Synonyms	16-Phosphonohexadecanoic Acid; Hexadecylphosphonic Acid; 16-Phosphono-palmitic Acid; ω-Phosphonohexadecanoic Acid; 16-(Phosphono)hexadecanoic Acid; Palmitic Acid, 16-Phosphono-; Phosphonohexadecanoic Acid; C16 Phosphonic Acid Derivative
EINECS	Contact for details

Quality Control

Our 16-Phosphonohexadecanoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets precise customer specifications and high-purity standards. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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 product is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Water Content (KF)	≤ 2.0%
Heavy Metals (as Pb)	≤ 20 ppm

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