Benzylphosphonic acid
Benzylphosphonic acid (CAS: 6881-57-8), with the molecular formula C7H9O3P and a molecular weight of 172.12 g/mol, is a phosphonic acid derivative. This compound is primarily utilised in materials science and micro/nanoelectronics, often employed in self-assembly processes and contact printing techniques. Its chemical structure lends itself to applications requiring specific surface modifications and ordered molecular arrangements.
- IUPAC
- Phenylmethylphosphonic acid

Materials Science
Benzylphosphonic acid serves as a key component in the development of novel materials. It is used in fabricating surfaces with tailored properties, enabling advancements in areas like coatings and functionalised substrates.
Micro/Nanoelectronics
In micro and nanoelectronics, this phosphonic acid derivative is valuable for creating ordered molecular layers. It facilitates precise control over surface chemistry, crucial for the fabrication of advanced electronic components and devices.
Self-Assembly Materials
The compound is integral to self-assembly processes, where molecules spontaneously form ordered structures. This property is exploited in creating nanoscale architectures and functional surfaces.
Contact Printing
Benzylphosphonic acid is employed in contact printing techniques for surface patterning. Its ability to form stable monolayers allows for the precise transfer of molecular patterns onto various substrates.
| Molecular weight | 172.12 |
|---|---|
| Empirical formula | C7H9O3P |
| Assay | 97% |
| Melting point | 173-178 °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 Benzylphosphonic acid used for?
+
Benzylphosphonic acid is primarily used in materials science and micro/nanoelectronics, particularly in self-assembly processes, contact printing, and surface functionalisation.
What are the CAS number and chemical formula for Benzylphosphonic acid?
+
The CAS number is 6881-57-8 and the chemical formula is C7H9O3P.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Benzylphosphonic acid with an assay of 97%. This product is typically considered a research or technical grade; TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling precautions for Benzylphosphonic acid?
+
Benzylphosphonic acid is classified under WGK 2 (Water Hazard Class 2 in Germany), indicating it is hazardous to aquatic life. Handle with appropriate personal protective equipment in a well-ventilated area to avoid exposure.
How is Benzylphosphonic acid packed, shipped, and exported?
+
Benzylphosphonic acid is carefully packaged to ensure safe transit and is available for global export by Tech Serve Solutions. Specific packaging details will be provided upon request.
How can I request a sample or quote for Benzylphosphonic acid?
+
To request a sample or a quote for Benzylphosphonic acid, please contact the Tech Serve Solutions sales team through our official website or by calling us directly.
▶ Related products

(11-Mercaptoundecyl)-N,N,N-trimethylammonium bromide
Micro / NanoElectronics

(11-Mercaptoundecyl)hexa(ethylene glycol)
C23H48O7S
Micro / NanoElectronics
(12-Phosphonododecyl)phosphonic acid
C12H28O6P2
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,7-Tridecafluoroheptyl)oxirane
C9H5F13O
Micro / NanoElectronics
(2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-Heptadecafluorononyl)oxirane
C11H5F17O
Micro / NanoElectronics
(3-Chloropropyl)dimethoxymethylsilane
Cl(CH2)3Si(OCH3)2CH3
Micro / NanoElectronics
(3-Chloropropyl)trimethoxysilane
Cl(CH2)3Si(OCH3)3
Micro / NanoElectronics
(4-Bromophenyl)diphenylsulfonium triflate
C19H14BrF3O3S2
Micro / NanoElectronics▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis