4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoroundecyl azide
4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoroundecyl azide (CAS: 852527-61-8; Formula: C11H6F17N3; MW: 503.16) is a highly fluorinated aliphatic azide. Its unique chemical structure, featuring a long perfluorinated chain and an azide functional group, makes it a valuable building block in specialised synthesis. It is particularly useful in fluorous synthesis and for creating Rf-tagged molecules for advanced chemical research and material science applications.
- IUPAC
- 11-Azido-1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-heptadecafluoroundecane,1H,1H,2H,2H,3H,3H-Perfluoroundecyl azide,3-(Perfluorooctyl)propyl azide
- Synonyms
- 5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoroundecyl azide11-Azido-1,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8-heptadecafluoroundecane1H,1H,2H,2H,3H,3H-Perfluoroundecyl azide3-(Perfluorooctyl)propyl azide

Fluorous Phase Synthesis
This compound serves as a key reagent in fluorous phase synthesis, enabling the facile separation and purification of reaction products by leveraging the unique solubility properties of highly fluorinated compounds.
Rf-Tagged Molecule Synthesis
It is employed in the synthesis of Rf-tagged molecules, which are used in diverse areas such as chemical biology, drug discovery, and materials science for tracking and purification purposes.
Organic Synthesis Building Block
As a functionalised fluorocarbon, it acts as a versatile building block in organic synthesis, allowing for the introduction of a C11 perfluorinated chain with an azide handle.
Specialty Chemical Development
Its distinctive properties are leveraged in the development of novel specialty chemicals and advanced materials with unique surface or chemical characteristics.
| Molecular weight | 503.16 |
|---|---|
| Empirical formula | C11H6F17N3 |
| Assay | ≥97.0% |

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 |
|---|---|
| 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 4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,11-Heptadecafluoroundecyl azide used for?
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This compound is primarily used as a building block in fluorous synthesis and for the creation of Rf-tagged molecules in advanced chemical research and material science.
What is the CAS number and molecular formula for this chemical?
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The CAS number is 852527-61-8 and the molecular formula is C11H6F17N3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of ≥97.0%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should this chemical be handled safely?
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Handle with care. This compound can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including eyeshields, gloves, and suitable respiratory protection, is recommended. Ensure good ventilation.
Is this chemical a controlled substance?
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The provided data does not indicate that this chemical is a controlled substance.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions packs and ships chemicals according to international regulations for hazardous materials. We are experienced global exporters.
How can I request a sample or quote?
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Please contact our sales team via the website to request a sample or obtain a quotation for this product.
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