Tetrabutylammonium difluorotriphenylstannate
Tetrabutylammonium difluorotriphenylstannate (CAS 139353-88-1), with a molecular weight of 630.48 g/mol, is a specialised reagent in chemical synthesis. Its linear formula is (CH3CH2CH2CH2)4N[(C6H5)3SnF2)]. This compound serves as a reactant in various organic transformations, including the formation of fluorosilylenoids and cross-coupling reactions. It is also utilised as a nucleophilic fluorinating agent and a cocatalyst in phase-transfer fluorination processes.
- IUPAC
- Tetrabutylammonium difluorotriphenyltin
![Tetrabutylammonium difluorotriphenylstannate ((CH3CH2CH2CH2)4N[(C6H5)3SnF2]) — chemical structure, CAS 139353-88-1; Chemistry, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F139353-88-1.png&w=3840&q=75)
Fluorosilylenoid Synthesis
Reacts with potassium tert-butoxide to yield a disilylated fluorosilylenoid, which can undergo self-condensation to form a fluorodisilanyl anion. This is a key step in synthesising novel silicon-containing compounds.
Cross-Coupling Reactions
Serves as a coupling partner in reactions with vinyl and aryl triflates. This application is vital for constructing complex organic molecules with precise structural control.
Phase-Transfer Fluorination
Functions as a cocatalyst in the phase-transfer fluorination of alkyl halides and sulfonates, enhancing reaction efficiency and selectivity under biphasic conditions.
Nucleophilic Fluorination
Employed as a nucleophilic fluorinating agent in organic synthesis. Its ability to introduce fluorine atoms makes it valuable for modifying organic structures.
| Molecular weight | 630.48 |
|---|---|
| Linear formula | (CH3CH2CH2CH2)4N[(C6H5)3SnF2] |
| Assay | 97% |
| Application | Reactant for:• Reaction with K tert-butoxide to give disilylated fluorosilylenoid for subsequent self-condensation to fluorodisilanyl anion1• Cross-coupling reactions with vinyl and aryl triflates2• Cocatalyst in phase-transfer fluorination of alkyl halides and sulfonates3• Used as a nucleophilic fluorinating agent4 |
| Melting point | 192-193 °C(lit.) |
Hazard statements
- H301Toxic if swallowed
- H311Toxic in contact with skin
- H331Toxic if inhaled
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P311Call a POISON CENTER or doctor
- P501Dispose of contents and container per local regulations
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 3146 6.1 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T,N |
| Risk statements (R) | 23/24/25-50/53 |
| Safety statements (S) | 26-27-28-45-60-61 |
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 Tetrabutylammonium difluorotriphenylstannate used for?
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Tetrabutylammonium difluorotriphenylstannate is used as a reactant for synthesising fluorosilylenoids, in cross-coupling reactions with vinyl and aryl triflates, as a cocatalyst in phase-transfer fluorination of alkyl halides and sulfonates, and as a nucleophilic fluorinating agent.
What is the CAS number and formula for Tetrabutylammonium difluorotriphenylstannate?
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The CAS number is 139353-88-1 and the linear formula is (CH3CH2CH2CH2)4N[(C6H5)3SnF2)].
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetrabutylammonium difluorotriphenylstannate with an assay of 97%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeia grade.
What are the safety considerations when handling Tetrabutylammonium difluorotriphenylstannate?
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This compound is classified with GHS06 and GHS09 symbols, carrying a Danger signal word. It has hazard statements H301, H311, H331, and H410, indicating it is toxic if swallowed, in contact with skin, and if inhaled, and is very toxic to aquatic life with long-lasting effects. Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, face shields, gloves, and a P2 respirator cartridge, must be used. Handle in a well-ventilated area and avoid release to the environment.
Is Tetrabutylammonium difluorotriphenylstannate a controlled substance?
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The provided data does not indicate that Tetrabutylammonium difluorotriphenylstannate is a controlled substance.
How is Tetrabutylammonium difluorotriphenylstannate packed and shipped?
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Tetrabutylammonium difluorotriphenylstannate is packed and shipped according to UN 3146 regulations (Class 6.1, PGIII), suitable for international export by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or sample of Tetrabutylammonium difluorotriphenylstannate, please contact Tech Serve Solutions directly through our website or sales department.
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