Potassium 4-isoquinolinetrifluoroborate
Potassium 4-isoquinolinetrifluoroborate (CAS: 1111733-07-3, C9H6BF3KN) is an organoboron compound with a molecular weight of 235.06 g/mol. As a heteroaryl trifluoroborate salt, it serves as a valuable reagent in organic synthesis, particularly in cross-coupling reactions. Its structure incorporates the isoquinoline moiety, making it useful for introducing this pharmacologically relevant heterocycle into complex molecules. It is supplied by Tech Serve Solutions for research and development purposes.
- IUPAC
- Potassium isoquinoline-4-trifluoroborate

Cross-Coupling Reactions
Potassium 4-isoquinolinetrifluoroborate is widely employed as a coupling partner in Suzuki-Miyaura cross-coupling reactions. It facilitates the formation of carbon-carbon bonds, enabling the synthesis of complex organic molecules containing the isoquinoline framework.
Synthesis of Heterocyclic Compounds
This trifluoroborate salt is instrumental in the synthesis of various isoquinoline-containing compounds. These structures are prevalent in pharmaceuticals and natural products, making this reagent important for medicinal chemistry and drug discovery.
Organometallic Chemistry
As an organometallic reagent, it participates in reactions involving transition metal catalysts. Its stability and reactivity profile make it a convenient source for introducing the isoquinolyl group in a controlled manner.
| Molecular weight | 235.06 |
|---|---|
| Empirical formula | C9H6BF3KN |
| Melting point | 251-256 °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) | 26 |
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-isoquinolinetrifluoroborate used for?
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Potassium 4-isoquinolinetrifluoroborate is primarily used as a reagent in organic synthesis, particularly in Suzuki-Miyaura cross-coupling reactions for the construction of carbon-carbon bonds and the synthesis of isoquinoline-containing compounds.
What are the CAS number and formula for Potassium 4-isoquinolinetrifluoroborate?
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The CAS number is 1111733-07-3, and the empirical formula is C9H6BF3KN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium 4-isoquinolinetrifluoroborate typically as a reagent grade for research and chemical synthesis. We do not represent this product as USP, BP, EP, or for use in food, nutraceuticals, or pharmaceuticals.
What are the safety considerations when handling Potassium 4-isoquinolinetrifluoroborate?
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This compound is a Warning substance that causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Always handle in a well-ventilated area, wear appropriate personal protective equipment, including gloves and eye protection, and avoid breathing dust.
Is Potassium 4-isoquinolinetrifluoroborate a controlled substance?
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Based on the provided data, there is no indication that Potassium 4-isoquinolinetrifluoroborate is a controlled substance.
How is this chemical packed and shipped?
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Potassium 4-isoquinolinetrifluoroborate is carefully packed according to standard chemical shipping regulations and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample?
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To request a quote or a sample of Potassium 4-isoquinolinetrifluoroborate, please visit the Tech Serve Solutions website or contact our sales department directly.
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