Potassium 4-dibenzothiophenetrifluoroborate
Potassium 4-dibenzothiophenetrifluoroborate (CAS: 1262538-11-3) is an organoboron compound with the molecular formula C12H7BF3KS and a molecular weight of 290.15 g/mol. This trifluoroborate salt serves as a valuable building block in organic synthesis. It is primarily utilised in cross-coupling reactions and the development of novel organic materials, owing to the unique electronic properties imparted by the dibenzothiophene moiety and the trifluoroborate group.
- IUPAC
- Potassium 4-dibenzothienyltrifluoroborate

Organic Synthesis
Utilised as a reagent in various organic transformations, particularly in the construction of complex organic molecules.
Cross-Coupling Reactions
Employed in metal-catalyzed cross-coupling reactions, such as Suzuki-Miyaura couplings, to form new carbon-carbon bonds.
Materials Science
A potential intermediate in the synthesis of advanced organic materials with tailored electronic or photophysical properties.
| Molecular weight | 290.15 |
|---|---|
| Empirical formula | C12H7BF3KS |
| Assay | 97% |
| Melting point | 289-294 °C |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 36 |
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 Potassium 4-dibenzothiophenetrifluoroborate used for?
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Potassium 4-dibenzothiophenetrifluoroborate is primarily used as a reagent in organic synthesis, particularly in cross-coupling reactions like the Suzuki-Miyaura coupling, and for the development of new organic materials.
What are the CAS number and formula for Potassium 4-dibenzothiophenetrifluoroborate?
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The CAS number is 1262538-11-3, and the empirical formula is C12H7BF3KS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium 4-dibenzothiophenetrifluoroborate with a minimum assay of 97%. This product is not represented as meeting USP, BP, EP, or any other pharmacopoeia standards.
What are the safety and handling precautions for this compound?
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This compound is classified as a Warning. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust. Wear protective gloves and eye protection. If in eyes, rinse cautiously with water for several minutes; remove contact lenses, if present and easy to do. Continue rinsing.
Is this chemical a controlled substance?
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The provided data does not indicate that Potassium 4-dibenzothiophenetrifluoroborate is a controlled substance.
How is this chemical packed and exported?
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Tech Serve Solutions professionally packs and exports chemicals globally, adhering to all necessary regulations for safe and compliant transport.
How can I request a quote or sample?
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To request a quote or a sample of Potassium 4-dibenzothiophenetrifluoroborate, please contact our sales team via the website or directly by phone.
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