Bis(11-azidoundecyl) disulfide
Bis(11-azidoundecyl) disulfide (CAS: 881375-91-3) is an organic compound with the formula C22H44N6S2 and a molecular weight of 456.75 g/mol. This aliphatic disulfide features terminal azide groups, making it a valuable bifunctional building block. It is primarily employed in chemical synthesis, particularly for creating self-assembled monolayers and in materials science applications requiring controlled surface functionalization or crosslinking.

Surface Functionalization
This compound is utilized in the formation of self-assembled monolayers (SAMs) on various surfaces. The azide groups can undergo further chemical modifications, enabling tailored surface properties for micro- and nanoelectronic applications.
Chemical Synthesis
As a bifunctional building block, it serves as a key intermediate in organic synthesis. The disulfide linkage and terminal azides allow for diverse synthetic pathways, contributing to the development of novel materials and complex molecules.
Materials Science
Its unique structure makes it suitable for advanced materials development, including applications in self-assembly and the creation of functionalized polymers or coatings requiring specific chemical or physical properties.
| Molecular weight | 456.75 |
|---|---|
| Empirical formula | C22H44N6S2 |
| Assay | 99% (HPLC) |
| 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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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 Bis(11-azidoundecyl) disulfide used for?
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Bis(11-azidoundecyl) disulfide is used as a building block in chemical synthesis, for creating self-assembled monolayers, and in materials science applications requiring surface functionalization and controlled assembly.
What is the CAS number and formula for Bis(11-azidoundecyl) disulfide?
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The CAS number is 881375-91-3 and the empirical formula is C22H44N6S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Bis(11-azidoundecyl) disulfide with a purity of 99% (HPLC). We do not represent this product as USP, BP, EP, or for nutraceutical/food use.
How should Bis(11-azidoundecyl) disulfide be handled?
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Bis(11-azidoundecyl) disulfide is classified as an irritant. Handle with appropriate personal protective equipment, including dust masks (type N95), eyeshields, and gloves. Ensure good ventilation and avoid breathing dust. Store at 2-8°C.
How is Bis(11-azidoundecyl) disulfide packed, shipped, and exported?
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This chemical is packed according to industry standards for safe transport. As a specialist global supplier, Tech Serve Solutions expertly handles the export of chemicals worldwide, adhering to all relevant shipping regulations, including its UN 3334 classification.
How can I request a sample or a quote for Bis(11-azidoundecyl) disulfide?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales team via our website or directly by phone. Please specify the required quantity and your delivery location.
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