4-Nitrobenzylphosphonic acid
4-Nitrobenzylphosphonic acid (CAS: 1205-62-5, Formula: C7H8NO5P) is a chemical compound with a molecular weight of 217.12 g/mol. It is recognised for its ability to self-assemble on various oxide surfaces and its utility in modifying the electronic properties of electrode materials. This phosphonic acid derivative finds applications in materials science and micro/nanoelectronics, particularly in research settings exploring self-assembly phenomena and advanced electronic devices.
- IUPAC
- p-Nitrobenzylphosphonic acid,[(4-Nitrophenyl)methyl]phosphonic acid
- Synonyms
- p-Nitrobenzylphosphonic acid[(4-Nitrophenyl)methyl]phosphonic acid

Surface Self-Assembly
This molecule exhibits strong self-assembly capabilities on a range of oxide surfaces, making it valuable for creating ordered molecular layers in surface science applications.
Electrode Modification
It has been employed to tune the electronic characteristics of electrodes, notably in the development of Dye-Sensitized Solar Cell (DSSC) devices, influencing their performance and efficiency.
Materials Science Research
As a phosphonic acid derivative, it serves as a versatile building block in materials science for fabricating novel functional materials and exploring surface interactions.
Micro/Nanoelectronics
Its properties lend themselves to applications within micro- and nanoelectronics, potentially for surface functionalisation or as components in nanoscale devices.
| Molecular weight | 217.12 |
|---|---|
| Empirical formula | C7H8NO5P |
| Assay | 97% |
| Application | This molecule is capable of self-assembling on a variety of oxide surfaces. It has also been used to tune the electronic properties of electrodes in Dye-Sensitized Solar Cell Devices.1 |
| Melting point | 222-228 °C |

Hazard statements
- H302Harmful if swallowed
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 4-Nitrobenzylphosphonic acid used for?
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4-Nitrobenzylphosphonic acid is used for self-assembling on oxide surfaces and tuning the electronic properties of electrodes in devices such as Dye-Sensitized Solar Cells. It is also utilised in materials science and micro/nanoelectronics research.
What are the CAS number and chemical formula for 4-Nitrobenzylphosphonic acid?
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The CAS number for 4-Nitrobenzylphosphonic acid is 1205-62-5, and its chemical formula is C7H8NO5P.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4-Nitrobenzylphosphonic acid with an assay of 97%. This product is intended for research and laboratory use; TSS does not represent it as USP, BP, or EP grade.
What are the safety considerations when handling 4-Nitrobenzylphosphonic acid?
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Warning: This compound is harmful if swallowed (H302). Handle with appropriate personal protective equipment, including gloves and eye protection, and avoid ingestion. Consult the Safety Data Sheet (SDS) for comprehensive handling information.
Is 4-Nitrobenzylphosphonic acid suitable for export?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 4-Nitrobenzylphosphonic acid, and can fulfil export requirements.
How can I request a sample or quote for 4-Nitrobenzylphosphonic acid?
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To request a sample or a quotation for 4-Nitrobenzylphosphonic acid, please contact our sales department through the website or via direct email, providing your specific requirements.
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