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N-Hexylphosphonic Acid (HPA) CAS 4721-24-8 Scale Inhibitor Corrosion Inhibitor and Surfactant for Water Treatment
| Place of Origin | China |
|---|---|
| Brand Name | HOYOSHEE |
| Certification | ISO9001 |
| Model Number | HYX-WT08 |
| Minimum Order Quantity | 1KG |
| Price | Negotiable |
| Packaging Details | 1kg;|25kg;|100kg |
| Delivery Time | 5-8 working days |
| Payment Terms | L/C,D/A,D/P,T/T,Western Union |
| Supply Ability | 500 Ton/Month |
Product Details
| CAS | 4721-24-8 | MF | C6H15O3P |
|---|---|---|---|
| Product Categories | Organic Phosphonic Acid | Melting Point | 108-110°C |
| Boiling Point | 299.7±23.0 °C(Predicted) | Storage Temp. | Storage Temp. 2-8°C |
| Form | Powder | Color | White To Off-white |
| Highlight | Scale Inhibitor N-Hexylphosphonic Acid,Corrosion Inhibitor HPA,Surfactant Hexylphosphonic Acid |
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Product Description
N-HEXYLPHOSPHONIC ACID CAS 4721-24-8
High-performance scale inhibitor, corrosion inhibitor, and surfactant for advanced materials applications.
Product Identification
| Product Name | N-HEXYLPHOSPHONIC ACID |
| Synonyms | N-HEXYLPHOSPHONIC ACID; LABOTEST-BB LT00408920; n-Hexylphosphonic acid, min.97%; 1-Hexylphosphonic acid; Hexanephosphonic acid; NSC 222656 |
Chemical Properties
| IUPAC Name | Hexylphosphonic acid |
| CAS Number | 4721-24-8 |
| Molecular Formula | C₆H₁₅O₃P |
| Molecular Weight | 166.16 g/mol |
| SMILES | CCCCCCP(=O)(O)O |
Physical Characteristics
| Appearance | White to off-white powder/crystalline solid |
| Melting Point | 97-110°C |
| Boiling Point | 299.7°C at 760 mmHg |
| Density | 1.132 g/cm³ |
| Flash Point | 135°C |
| Water Solubility | Insoluble in water |
Quality & Storage
| Typical Purity | 95% to ≥97% |
| Storage Conditions | Store in cool, dry, well-ventilated area; keep container tightly sealed |
| Stability | Stable under normal storage conditions |
Primary Applications
Nanoparticle Manufacturing
- Quantum Dots: Capping agent for size control and aggregation prevention
- Metal Nanoparticles: Surface stabilization for gold, silver, and other metals
- Nano-ceramics: Manufacturing of ceramic nanoparticles
Surface Coating & Functionalization
- Forms condensed hydrophobic monolayers on metal oxide surfaces
- Anchors to TiO₂, Al₂O₃, Fe₂O₃ surfaces via phosphonic acid group
- Provides hydrophobic outer layer via hexyl chain
- Dispersion agent for carbon nanotubes (MWCNTs)
- Surface modification of barium titanate for dielectric pastes
Surfactant & Capping Agent Functions
- Controls particle size and morphology during synthesis
- Prevents nanoparticle agglomeration in suspension
- Tunes surface hydrophobicity/hydrophilicity
Surface Binding Mechanism
The phosphonic acid group binds strongly to metal oxide surfaces through:
- Condensation reactions with surface hydroxyl groups (M-OH)
- Formation of P-O-M bonds (M = Ti, Al, Fe, Zr metal atoms)
- Multidentate binding as mono-, bi-, or tridentate ligand
This strong binding combined with the hydrophobic hexyl chain enables creation of self-assembled monolayers with controlled surface properties.
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