Potassium triphenylborohydride solution
Potassium triphenylborohydride solution (CAS: 99747-36-1, Formula: KB(C6H5)3H) is a versatile chemical compound with a molecular weight of 282.23 g/mol. Supplied at 0.5 M in Tetrahydrofuran (THF), it primarily functions as a potent reducing agent. Its applications span various areas of chemical synthesis, particularly where selective reduction is required. This solution is an essential reagent for researchers and industrial chemists.

Reducing Agent
Potassium triphenylborohydride solution serves as an effective reducing agent in organic synthesis. It is utilized for the reduction of various functional groups, offering a selective alternative to other hydride reagents.
Chemical Synthesis
This compound is a valuable reagent in synthetic chemistry laboratories. It facilitates complex molecular transformations and is employed in the development of new chemical entities and materials.
Borohydride Chemistry
As a member of the borohydride class, this solution is specifically useful in reactions requiring a sterically hindered and milder hydride source compared to simpler borohydrides.
| Molecular weight | 282.23 |
|---|---|
| Linear formula | KB(C6H5)3H |
| Density | 0.94 g/mL at 25 °C |
| Concentration | 0.5 M in THF |
| Application | • Reducing agent1• Reagent for the reduction of a, |


Hazard statements
- H225Highly flammable liquid and vapour
- H260In contact with water releases flammable gases
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P223Do not allow contact with water
- P231Handle under inert gas
- P261Avoid breathing dust, fume, gas or vapours
- P370In case of fire
- P422
| Flash point | -18 °C / -.4 °F |
|---|---|
| Transport (UN / ADR) | UN 3399 4.3/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-14/15-19-34-37 |
| Safety statements (S) | 16-26-36/37/39-43-45 |
| Supplemental hazards | May form explosive peroxides. |
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 triphenylborohydride solution used for?
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Potassium triphenylborohydride solution is primarily used as a reducing agent and a reagent for selective reductions in chemical synthesis.
What are the CAS number and formula for Potassium triphenylborohydride solution?
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The CAS number is 99747-36-1 and the chemical formula is KB(C6H5)3H.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Potassium triphenylborohydride solution at a concentration of 0.5 M in THF. We do not represent this product as USP, BP, or EP grade; it is suitable for laboratory research and chemical synthesis applications.
How should Potassium triphenylborohydride solution be handled?
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This solution is highly flammable and reacts with water, releasing flammable gases. It can form explosive peroxides and is irritating to skin, eyes, and the respiratory tract. Handle in a well-ventilated area, away from ignition sources, and use appropriate personal protective equipment. Refer to the Safety Data Sheet (SDS) for full handling procedures.
How is Potassium triphenylborohydride solution packed and shipped?
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Potassium triphenylborohydride solution is packed in appropriate containers for safe transport and is available for global export. Please contact us for specific shipping details and regulations.
How can I request a sample or quote for Potassium triphenylborohydride solution?
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To request a sample or a quote, please contact the Tech Serve Solutions sales team through our website or by phone, providing the product name and CAS number.
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