N-Octadecylphosphonic Acid
- CAS No.4724-47-4
- GradeIndustrial / Pharmaceutical
- Availability● In Stock
High-purity N-Octadecylphosphonic Acid (CAS 4724-47-4), a key intermediate for thermal paper and specialty coatings. Ideal for industrial-scale chemical synthesis.
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Product Overview
N-Octadecylphosphonic Acid (CAS 4724-47-4) is a long-chain alkylphosphonic acid widely employed as a functional intermediate in the formulation of thermal recording materials. With its well-defined hydrophobic alkyl tail and reactive phosphonic acid headgroup, it serves as a critical building block in surface modification, corrosion inhibition, and advanced material science applications.
Specifications
| Molecular Formula | C₁₈H₃₉O₃P |
|---|---|
| Molecular Weight | 334.47 g/mol |
| Appearance | White flake crystals |
| Assay | ≥98% (Typical: 98.57%) |
| Melting Point | 100–101°C |
| Boiling Point | 463.6°C at 760 mmHg |
| Density | 0.969 g/cm³ |
| Refractive Index | 1.465 |
| Flash Point | 234.2°C |
| Stability | Stable under normal conditions; incompatible with strong oxidizing agents |
| Loss on Drying | ≤0.5% (Typical: 0.15%) |
Industrial Applications
This compound is primarily utilized in the production of thermal paper coatings for receipts, tickets, and point-of-sale systems, where it contributes to image stability and heat responsiveness. Beyond thermal media, N-Octadecylphosphonic Acid finds utility in:
- Surface treatment of metal oxides and nanoparticles to enhance dispersion and compatibility in composite matrices
- Synthesis of self-assembled monolayers (SAMs) for electronic and sensor applications
- Intermediate in the development of lubricant additives and anti-corrosion agents
- Precursor for tailored organophosphorus compounds in agrochemical and polymer research
As a non-volatile, thermally stable intermediate, it supports robust manufacturing processes requiring consistent performance and high chemical integrity. Our product meets stringent factory standards and is suitable for global B2B supply chains seeking reliable, high-purity intermediates.
