11-Mercaptoundecylphosphoric acid
11-Mercaptoundecylphosphoric acid (CAS: 188678-49-1) is a chemical compound with the formula C11H25O4PS and a molecular weight of 284.35 g/mol. This phosphate derivatized thiol is primarily used in the development of self-assembled monolayers (SAMs) and in micro/nanoelectronics. Its unique structure allows for versatile surface functionalization, making it valuable in materials science applications.
- IUPAC
- 11-Mercapto-1-undecyl dihydrogen phosphate,MDPA
- Synonyms
- 11-Mercapto-1-undecyl dihydrogen phosphate,MDPA
Self-Assembled Monolayers (SAMs)
Utilised for creating ordered molecular layers on surfaces. The thiol group anchors to substrates like gold, while the phosphate headgroup offers functionalization opportunities for subsequent chemical modifications or interactions.
Materials Science
Serves as a building block for advanced materials, particularly in surface engineering. Its ability to form stable monolayers is crucial for controlling surface properties and developing novel functional materials.
Micro/Nanoelectronics
Applied in the fabrication of electronic devices at the micro and nano scale. The compound aids in surface patterning and the creation of interfaces with specific electronic characteristics.
| Molecular weight | 284.35 |
|---|---|
| Empirical formula | C11H25O4PS |
| Assay | 95% |
| Storage temperature | 2-8°C |
| Application | High purity phosphate derivitized thiol for SAMs |
| Melting point | 48-52 °C |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 3335 |
| 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 11-Mercaptoundecylphosphoric acid used for?
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11-Mercaptoundecylphosphoric acid is primarily used in the creation of self-assembled monolayers (SAMs), surface modification in materials science, and in micro/nanoelectronic applications due to its functional thiol and phosphate groups.
What are the CAS number and formula for 11-Mercaptoundecylphosphoric acid?
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The CAS number is 188678-49-1 and the empirical formula (Hill notation) is C11H25O4PS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 11-Mercaptoundecylphosphoric acid with an assay of 95%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How should 11-Mercaptoundecylphosphoric acid be handled?
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Handle with appropriate personal protective equipment including a dust mask (N95 US type), eyeshields, and gloves. Avoid breathing dust. Ensure good ventilation. This compound is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
How is 11-Mercaptoundecylphosphoric acid packed and shipped?
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The product is stored at 2-8°C. It is shipped internationally as a non-hazardous material under UN 3335, as per IATA regulations for Air Transport, not applicable for ground.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales team through the website or by calling our dedicated number. We will be happy to assist with your inquiry.
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