1,10-Decyldiphosphonic acid
1,10-Decyldiphosphonic acid (CAS: 5943-21-5) is an organophosphorus compound with the molecular formula C10H24O6P2 and a molecular weight of 302.24 g/mol. This chemical serves as a valuable building block in materials science and organic synthesis. Its primary applications involve the modification of oxide surfaces and the creation of nanotube templates, contributing to advancements in micro/nanoelectronics.
- IUPAC
- 1,10-Decanediphosphonic acid,Decyl-1,10-diphosphonic acid
- Synonyms
- 1,10-Decanediphosphonic acidDecyl-1,10-diphosphonic acid

Surface Modification
This phosphonic acid is utilised for the chemical modification of oxide surfaces, enabling tailored surface properties for various applications.
Nanotube Template Synthesis
It plays a role in the synthesis of nanotube templates, a process crucial for the development of advanced materials and microelectronic components.
Materials Science
As a phosphonic acid derivative, it finds utility in materials science for creating novel structures and functionalised surfaces.
Organic Synthesis
1,10-Decyldiphosphonic acid serves as an organic building block in complex chemical syntheses.
| Molecular weight | 302.24 |
|---|---|
| Empirical formula | C10H24O6P2 |
| Assay | >97% |
| Application | Used in the modification of oxide surfaces and also in the synthesis of nanotube templates.1,2 |
| Melting point | 198-203 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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 1,10-Decyldiphosphonic acid used for?
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1,10-Decyldiphosphonic acid is used in the modification of oxide surfaces and in the synthesis of nanotube templates. It is also employed as a building block in chemical synthesis and materials science.
What are the CAS number and formula for 1,10-Decyldiphosphonic acid?
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The CAS number is 5943-21-5, and the molecular formula is C10H24O6P2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,10-Decyldiphosphonic acid with an assay of >97%. We do not represent this product as USP, BP, or EP grade.
How should 1,10-Decyldiphosphonic acid be handled?
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1,10-Decyldiphosphonic acid is a warning substance that may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Avoid breathing dust/fume/gas/mist/vapours/spray. In case of contact with eyes, rinse cautiously with water for several minutes, removing contact lenses if present and easy to do. Continue rinsing.
Is 1,10-Decyldiphosphonic acid exported by Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1,10-Decyldiphosphonic acid.
How can I request a sample or quote for 1,10-Decyldiphosphonic acid?
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To request a sample or a quote, please contact our sales department through the website or by phone.
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