11-Mercaptoundecanoic acid
11-Mercaptoundecanoic acid (CAS: 71310-21-9), a bifunctional molecule with the formula HS(CH2)10CO2H and a molecular weight of 218.36 g/mol, is a key building block in materials science and chemical synthesis. It features a terminal thiol group for surface functionalisation and a carboxylic acid group for further reactions. This compound is essential for creating self-assembled monolayers and functionalised nanomaterials, particularly in electronics and biosensing applications.
- IUPAC
- MUA,MUDA
Self-Assembled Monolayers (SAMs)
11-Mercaptoundecanoic acid is utilised in the preparation of SAMs, notably for immobilising amine-modified oligonucleotides and DNA on surfaces. These SAMs play a crucial role in developing advanced biosensors and diagnostic tools.
Nanomaterial Functionalisation
This compound enables the creation of 3D assembled gold nanostructures. These functionalised nanostructures are vital for developing highly sensitive plasmonic biosensors with applications in various analytical and diagnostic fields.
Surface Modification
The thiol group readily binds to noble metal surfaces, while the carboxylic acid terminus allows for subsequent covalent attachment of biomolecules or other functional groups, facilitating tailored surface properties.
| Molecular weight | 218.36 |
|---|---|
| Linear formula | HS(CH2)10CO2H |
| Assay | 98% |
| Storage temperature | 2-8°C |
| Application | Used in preparation of a tetrafluorophenyl-activated ester self-assembled monolayer which immobilized amine-modified oligonucleotides1 and DNA.2 Also used to create 3D Assembled Gold Nanostructures for Plasmonic Biosensors.3 |
| Melting point | 46-50 °C(lit.) |
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
| 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-Mercaptoundecanoic acid used for?
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11-Mercaptoundecanoic acid is used in the preparation of self-assembled monolayers (SAMs) for immobilising biomolecules like oligonucleotides and DNA, and for creating functionalised gold nanostructures for plasmonic biosensors.
What are the CAS number and formula for 11-Mercaptoundecanoic acid?
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The CAS number for 11-Mercaptoundecanoic acid is 71310-21-9, and its linear formula is HS(CH2)10CO2H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 11-Mercaptoundecanoic acid with an assay of 98%. It is suitable for research and chemical synthesis purposes. TSS does not represent this product as USP, BP, or EP grade.
How should 11-Mercaptoundecanoic acid be handled safely?
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Handling requires precautions due to irritation to skin, eyes, and respiratory tract. Use a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. Refer to the Safety Data Sheet for comprehensive handling information.
How is 11-Mercaptoundecanoic acid packed, shipped, and exported?
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This product is typically stored under refrigeration at 2-8°C. For shipping and export, it is packaged according to international regulations for hazardous materials, classified under UN 3335.
How can I request a sample or quote for 11-Mercaptoundecanoic acid?
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Please contact the TSS sales department via our website or directly by phone to request a sample or obtain a quotation for 11-Mercaptoundecanoic acid.
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