Heptadecafluoro-1-octanesulfonyl chloride
Heptadecafluoro-1-octanesulfonyl chloride (CAS: 423-60-9, C8ClF17O2S) is a highly fluorinated organic compound with a molecular weight of 518.58 g/mol. It serves as a valuable intermediate and building block in organic synthesis, particularly for introducing perfluoroalkylsulfonyl groups into molecules. Its chemical structure makes it useful in the development of novel materials and speciality chemicals.
- IUPAC
- Perfluoro-1-octanesulfonyl chloride

Fluorinated Building Block
This compound acts as a key building block for synthesising more complex fluorinated organic molecules. Its perfluoroalkylsulfonyl moiety can impart unique properties such as hydrophobicity, oleophobicity, and thermal stability to target compounds.
Chemical Synthesis Intermediate
It is utilised as an intermediate in the synthesis of various speciality chemicals and functional materials. The reactive sulfonyl chloride group readily undergoes reactions with nucleophiles, enabling diverse chemical transformations.
Material Science Applications
Incorporating the perfluoro-1-octanesulfonyl group can enhance the performance characteristics of polymers and surface coatings, leading to applications requiring high chemical resistance and low surface energy.
| Molecular weight | 518.58 |
|---|---|
| Empirical formula | C8ClF17O2S |
| Assay | ≥90% (T) |
| Grade | technical |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 Heptadecafluoro-1-octanesulfonyl chloride used for?
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Heptadecafluoro-1-octanesulfonyl chloride is primarily used as a building block and intermediate in organic synthesis for creating fluorinated organic molecules and speciality chemicals.
What are the CAS number and chemical formula for Heptadecafluoro-1-octanesulfonyl chloride?
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The CAS number is 423-60-9, and the chemical formula is C8ClF17O2S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Heptadecafluoro-1-octanesulfonyl chloride at a technical grade with an assay of ≥90% (T). We do not represent this product as USP, BP, or EP grade.
How should Heptadecafluoro-1-octanesulfonyl chloride be handled safely?
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This compound is dangerous and can cause severe skin burns and eye damage (H314). Handle with extreme care, wearing full protective equipment including face shields, goggles, gloves, and appropriate respiratory protection. Ensure adequate ventilation and follow emergency procedures.
Is Heptadecafluoro-1-octanesulfonyl chloride available for export?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, and this product can be packed and shipped internationally.
How can I request a quote or sample for Heptadecafluoro-1-octanesulfonyl chloride?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your contact details and the required quantity.
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