Hexylphosphonic acid
Hexylphosphonic acid (CAS: 4721-24-8), with the molecular formula C6H15O3P and a molecular weight of 166.16 g/mol, is a phosphonic acid derivative. It is primarily utilised in materials science and micro/nanoelectronics applications. Its properties make it suitable for self-assembly processes and contact printing techniques, contributing to the development of advanced materials and electronic components.
- IUPAC
- n-Hexylphosphonic acid

Materials Science
Hexylphosphonic acid serves as a building block in materials science, particularly in the creation of functionalised surfaces and novel composite materials. Its phosphonic acid group can strongly bind to metal oxide surfaces, enabling tailored material properties.
Micro/Nanoelectronics
In micro and nanoelectronics, this compound is employed in self-assembly processes and contact printing. It facilitates the precise deposition of molecular layers, which is crucial for fabricating nanoscale devices and electronic circuits.
Self-Assembly and Surface Modification
The molecule's structure promotes self-assembly on various substrates, allowing for controlled surface modification. This is valuable for applications requiring specific surface characteristics, such as adhesion or electronic conductivity.
| Molecular weight | 166.16 |
|---|---|
| Empirical formula | C6H15O3P |
| Assay | 95% |
| Melting point | 97-103 °C |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Hexylphosphonic acid used for?
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Hexylphosphonic acid is used in materials science and micro/nanoelectronics for self-assembly processes and contact printing, enabling the modification of surfaces and the fabrication of nanoscale devices.
What is the CAS number and chemical formula for Hexylphosphonic acid?
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The CAS number for Hexylphosphonic acid is 4721-24-8, and its chemical formula is C6H15O3P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Hexylphosphonic acid with an assay of 95%. This is a technical/research grade product, and we do not represent it as USP, BP, or EP grade.
What are the safety and handling considerations for Hexylphosphonic acid?
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Hexylphosphonic acid is classified under WGK 2 in Germany. Appropriate personal protective equipment should be worn, and it should be handled in a well-ventilated area, avoiding contact with skin and eyes, and preventing inhalation of dust or vapours.
How is Hexylphosphonic acid packed, shipped, and exported?
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Hexylphosphonic acid is carefully packed to ensure product integrity during transit. We are experienced in exporting chemicals globally and comply with all relevant international shipping regulations.
How can I request a sample or quote for Hexylphosphonic acid?
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To request a sample or a quote for Hexylphosphonic acid, please contact our sales department through the website or by email, providing your specific requirements.
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