Undecafluorohexanoic acid
Undecafluorohexanoic acid (CAS: 307-24-4), with the molecular formula CF 3(CF 2)4COOH and a molecular weight of 314.05 g/mol, is a highly fluorinated carboxylic acid. It functions as a volatile ion-pair reagent, notably employed in liquid chromatography-mass spectrometry (LC-MS) for the analysis of specific polar compounds. Supplied by TSS for research and synthesis purposes.
- IUPAC
- Perfluorocaproic acid,Perfluorohexanoic acid
- Synonyms
- Perfluorohexanoic acidPerfluorocaproic acid

LC-MS Mobile Phase Additive
Undecafluorohexanoic acid serves as a crucial ion-pair reagent in the mobile phase for LC-MS analysis. It has been specifically utilized in the separation and detection of polar constituents like neosalacinol and neokotalanol.
Analytical Chemistry Reagent
This compound's properties make it suitable for various analytical techniques where a fluorinated ion-pairing agent is required. Its use aids in enhancing the detectability and separation of certain analytes.
Organic Synthesis Building Block
As a fluorinated carboxylic acid, Undecafluorohexanoic acid can serve as a building block in the synthesis of complex fluorinated organic molecules. Its perfluorinated chain offers unique chemical characteristics.
| Molecular weight | 314.05 |
|---|---|
| Linear formula | CF3(CF2)4COOH |
| Assay | ≥97.0% (T) |
| Density | 1.759 g/mL at 20 °C(lit.) |
| Solubility | water: insoluble |
| Application | Undecafluorohexanoic acid, a volatile ion-pair reagent, has been used as mobile phase for LC-MS analysis of highly polar sulfonium pseudo-sugar constituents neosalacinol and neokotalanol, potential α-glucosidase inhibitors isolated from ayurvedic traditional medicine Salacia species1. |

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) | 34-37 |
| 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 Undecafluorohexanoic acid used for?
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Undecafluorohexanoic acid is used as a volatile ion-pair reagent in LC-MS analysis, particularly for polar compounds, and can serve as a building block in organic synthesis.
What is the CAS number and formula for Undecafluorohexanoic acid?
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The CAS number is 307-24-4, and the linear formula is CF 3(CF 2)4COOH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Undecafluorohexanoic acid with an assay of ≥97.0% (T). TSS does not represent this product as USP, BP, EP, or other pharmacopoeia grades unless explicitly stated.
How should Undecafluorohexanoic acid be handled safely?
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Undecafluorohexanoic acid is classified as Danger, causing severe skin burns and eye damage (H314). Appropriate personal protective equipment, including face shields, gloves, goggles, and suitable respirators, is essential. Handle in a well-ventilated area. Always consult the Safety Data Sheet (SDS) before use.
How is Undecafluorohexanoic acid shipped and exported?
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Undecafluorohexanoic acid is shipped internationally under UN 3265, Class 8, Packing Group II, indicating it is a corrosive solid, acidic, organic, n.o.s. (Perfluorohexanoic acid). TSS adheres to all regulations for the safe export of chemicals.
How can I request a sample or quote for Undecafluorohexanoic acid?
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To request a sample or a quote for Undecafluorohexanoic acid, please contact the TSS sales team through our website or by phone, providing your contact details and required quantity.
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