4,4,5,5,6,6,7,7,8,8,9,9,9-Tridecafluorononanoic acid
4,4,5,5,6,6,7,7,8,8,9,9,9-Tridecafluorononanoic acid (CAS: 27854-30-4) is a perfluorinated carboxylic acid with the molecular formula C9H5F13O2 and a molecular weight of 392.11. It is a key intermediate in fluorous synthesis and specialty chemical applications. This compound offers unique solubility and reactivity characteristics due to its extensive fluorination, making it valuable for creating specialised materials and reagents.
- IUPAC
- 2H,2H,3H,3H-Perfluorononanoic acid
- Synonyms
- 5,6,6,7,7,8,8,9,9,9-Tridecafluorononanoic acid2H,2H,3H,3H-Perfluorononanoic acid27854-30-4C9H5F13O2

Fluorous Synthesis
Serves as a building block or precursor in fluorous synthesis, enabling the facile separation of reaction products from non-fluorinated materials.
Chemical Synthesis Intermediate
Utilised as an intermediate in the synthesis of more complex fluorinated organic compounds and specialty chemicals.
Rf-Tagged Reagents
Employed in the preparation of reagents tagged with perfluoroalkyl (Rf) chains, facilitating purification and analysis in various chemical processes.
Specialty Materials
Its unique properties lend themselves to the development of novel materials requiring high chemical and thermal resistance.
| Molecular weight | 392.11 |
|---|---|
| Empirical formula | C9H5F13O2 |
| Assay | ≥96.0% (GC) |

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 | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3261 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 4,4,5,5,6,6,7,7,8,8,9,9,9-Tridecafluorononanoic acid used for?
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This compound is primarily used as a building block in fluorous synthesis, as an intermediate for creating other fluorinated organic compounds, and in the preparation of Rf-tagged reagents for specialty applications.
What are the CAS number and chemical formula?
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The CAS number is 27854-30-4, and the empirical formula is C9H5F13O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of ≥96.0% (GC). We do not represent it as USP, BP, EP, or other pharmacopoeial grades.
How should 4,4,5,5,6,6,7,7,8,8,9,9,9-Tridecafluorononanoic acid be handled?
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This compound is classified as corrosive and causes severe skin burns and eye damage (H314). Appropriate personal protective equipment, including eyeshields, face shields, and suitable gloves and respiratory protection, is essential. Handle in a well-ventilated area.
How is this chemical packed and shipped?
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It is shipped as UN 3261, Class 8, Packing Group II, indicating it is a corrosive solid, acidic, organic, n.o.s. Specific packing and export procedures follow international regulations for hazardous materials.
How can I request a sample or quote?
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Please contact our sales team via the website or direct email to request a sample or a detailed quotation for 4,4,5,5,6,6,7,7,8,8,9,9,9-Tridecafluorononanoic acid.
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