1,11-Undecanedithiol
1,11-Undecanedithiol (CAS: 63476-06-2) is an organic compound with the linear formula HSCH2(CH2)9CH2SH and a molecular weight of 220.44 g/mol. This dithiol features terminal thiol groups separated by an eleven-carbon aliphatic chain. It is primarily utilised in materials science, particularly for applications in micro/nanoelectronics and self-assembly processes, due to the reactive nature of its thiol functionalities.
- Synonyms
- HSCH2(CH2)9CH2SH
Materials Science
1,11-Undecanedithiol serves as a building block in advanced materials. Its long alkyl chain and terminal thiols enable the formation of ordered structures and functionalised surfaces, valuable in developing novel materials with specific properties.
Micro/Nanoelectronics
The compound is employed in the fabrication of electronic devices at the micro and nano scales. Its ability to form self-assembled monolayers (SAMs) is crucial for surface modification and creating specific interfaces in electronic components.
Self-Assembly and Surface Modification
Utilising its dual thiol groups, 1,11-Undecanedithiol facilitates the formation of robust self-assembled monolayers on various substrates, including gold. This is fundamental for applications requiring controlled surface functionalisation and precise molecular layering.
| Molecular weight | 220.44 |
|---|---|
| Linear formula | HSCH2(CH2)9CH2SH |
| Assay | 99% |
| Density | 0.9333 g/mL at 25 °C |
| Refractive index | n20/D 1.4983 |
| Storage temperature | 2-8°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
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | >110 °C / >230 °F |
| Transport (UN / ADR) | UN 3334 |
| 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 1,11-Undecanedithiol used for?
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1,11-Undecanedithiol is used in materials science, micro/nanoelectronics, and self-assembly applications due to its ability to form self-assembled monolayers and functionalise surfaces.
What are the CAS number and formula for 1,11-Undecanedithiol?
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The CAS number for 1,11-Undecanedithiol is 63476-06-2 and its linear formula is HSCH2(CH2)9CH2SH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,11-Undecanedithiol with an assay of 99%. This product is intended for research and industrial use and is not supplied as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety and handling precautions for 1,11-Undecanedithiol?
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1,11-Undecanedithiol is classified as a Warning substance (GHS07) and may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields and gloves, should be used. Handle in a well-ventilated area or use a suitable respirator.
How is 1,11-Undecanedithiol packed, shipped, and exported?
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1,11-Undecanedithiol is carefully packed to ensure safe transit and is available for global export by Tech Serve Solutions, adhering to all relevant shipping regulations.
How can I request a sample or quote for 1,11-Undecanedithiol?
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To request a sample or a quotation for 1,11-Undecanedithiol, please contact our sales team directly through the website or via email.
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