Potassium cis-1-propenyltrifluoroborate
Potassium cis-1-propenyltrifluoroborate (CAS: 951039-45-5) is an organoboron compound with the formula C3H5BF3K and a molecular weight of 147.98 g/mol. As a member of the alkenyl trifluoroborate salt class, it serves as a valuable reagent in organic synthesis. Its specific structure makes it useful in various cross-coupling reactions and for the introduction of the propenyl moiety into target molecules, finding application in research and development settings.

Organic Synthesis Reagent
This compound is primarily utilized as a building block in organic synthesis. It participates effectively in various metal-catalyzed cross-coupling reactions, enabling the formation of carbon-carbon bonds.
Cross-Coupling Reactions
Potassium cis-1-propenyltrifluoroborate is an effective substrate in Suzuki-Miyaura and related coupling reactions. It allows for the stereoselective transfer of the cis-1-propenyl group.
Pharmaceutical Intermediate Research
Its utility in forming complex organic structures makes it a potential intermediate in the research and development of novel pharmaceutical compounds.
Materials Science Research
The introduction of specific organic functionalities using this reagent can be relevant in the exploration of new materials with tailored properties.
| Molecular weight | 147.98 |
|---|---|
| Empirical formula | C3H5BF3K |
| Assay | 95% |
| Melting point | 283-289 °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 cis-1-propenyltrifluoroborate used for?
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Potassium cis-1-propenyltrifluoroborate is used as a reagent in organic synthesis, particularly in metal-catalyzed cross-coupling reactions for introducing the cis-1-propenyl group into organic molecules.
What is the CAS number and formula for Potassium cis-1-propenyltrifluoroborate?
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The CAS number is 951039-45-5 and the empirical formula is C3H5BF3K.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium cis-1-propenyltrifluoroborate with an assay of 95%. We do not represent this product as USP, BP, or EP grade; it is supplied for research and industrial applications.
What are the safety and handling precautions for this chemical?
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This compound is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area. Avoid breathing dust and ensure adequate ventilation. In case of contact with eyes, rinse cautiously with water for several minutes (P305 + P351 + P338).
How is Potassium cis-1-propenyltrifluoroborate packed and exported?
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Products are carefully packed according to international shipping regulations and exported globally by Tech Serve Solutions.
How can I request a sample or quote for Potassium cis-1-propenyltrifluoroborate?
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Please contact our sales team through the website to request a sample or a quotation for Potassium cis-1-propenyltrifluoroborate.
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