Antimony(V) fluoride
Antimony(V) fluoride (CAS 7783-70-2, SbF5) is a potent Lewis acid and a highly reactive inorganic compound with a molecular weight of 216.75 g/mol. This colourless liquid is primarily utilised in advanced chemical synthesis, particularly in fluorination reactions and as a strong oxidising agent. Its exceptional ability to form superacids with hydrofluoric acid makes it invaluable in catalytic applications and materials science research.
- IUPAC
- Antimony pentafluoride
Superacid Catalysis
SbF5 is a key component in the formation of superacids, such as HF/SbF5, which are exceptionally strong Brønsted acids used as catalysts in various organic reactions including alkylation and polymerisation.
Fluorination Agent
Due to its high affinity for fluorine, Antimony(V) fluoride can serve as a powerful fluorinating agent in specialised inorganic and organic synthesis pathways.
Oxidation Reactions
As a strong oxidising agent, SbF5 can be employed in specific chemical transformations requiring potent oxidative conditions, contributing to complex synthesis routes.
Preparation of Oxonium Salts
Antimony(V) fluoride is instrumental in the preparation of alkylidene oxonium salts when used in conjunction with hydrofluoric acid.
| Molecular weight | 216.75 |
|---|---|
| Linear formula | SbF5 |
| Assay | 99% |
| Form | liquid |
| Boiling point | 148-150 °C(lit.) |
| Density | 2.993 g/mL at 25 °C(lit.) |
| Solubility | liquid sulfur dioxide: slightly soluble(lit.)potassium fluoride: slightly soluble(lit.) |
| Melting point | 7 °C(lit.) |
| Vapour pressure | 10 mmHg (25 °C) |
| Vapour density | 2.2 (vs air) |
| Application | HF/SbF5 is an excellent medium for the preparation of alkylidene oxonium salts.1 |
Hazard statements
- H302Harmful if swallowed
- H332Harmful if inhaled
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P273Avoid release to the environment
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 1732 8/PG 2 |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 20/22-51/53 |
| Safety statements (S) | 61 |
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 Antimony(V) fluoride primarily used for?
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Antimony(V) fluoride is primarily used in the formation of superacids for catalysis, as a potent fluorinating agent, and in oxidation reactions and the preparation of alkylidene oxonium salts.
What are the CAS number and chemical formula for Antimony(V) fluoride?
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The CAS number for Antimony(V) fluoride is 7783-70-2 and its chemical formula is SbF5.
What grade and purity does Tech Serve Solutions supply for Antimony(V) fluoride?
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Tech Serve Solutions supplies Antimony(V) fluoride with an assay of 99%. This product is not represented as USP, BP, EP, or any other pharmacopoeia grade.
How is Antimony(V) fluoride safely handled and what are its hazards?
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Antimony(V) fluoride is a corrosive liquid that is harmful if swallowed or inhaled (H302, H332) and toxic to aquatic life with long lasting effects (H411). It requires strict handling procedures, including the use of eyeshields, face shields, appropriate gloves, and a full-face respirator with an ABEK type filter. Store in a well-ventilated area, away from incompatible materials.
How is Antimony(V) fluoride packed, shipped, and exported?
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Antimony(V) fluoride is packed, shipped, and exported in compliance with all relevant international regulations for hazardous materials, identified under UN 1732, Hazard Class 8, Packing Group II.
How can I request a quote or sample of Antimony(V) fluoride?
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To request a quote or sample of Antimony(V) fluoride, please contact our sales team through the website or by phone, providing your details and the product CAS number (7783-70-2).
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