Lithium pyrrolidinoborohydride solution
Lithium pyrrolidinoborohydride solution (CAS: 144188-76-1) is a versatile reducing agent with the molecular formula C4H11BLiN and a molecular weight of 90.89 g/mol. Supplied as a 1 M solution in THF, it is recognised for its capability to reduce a variety of functional groups. This reagent is essential for various synthetic organic chemistry applications, particularly where selective reduction is required. It is stored under refrigeration to maintain its stability and efficacy.
- IUPAC
- Lithium trihydro-1-pyrrolidinylborate
- Synonyms
- Lithium trihydro-1-pyrrolidinylborate

Selective Reduction
This borohydride derivative effectively reduces a range of functional groups in organic synthesis. Its specific reactivity profile makes it suitable for transformations where other reducing agents might be too harsh or unselective.
Organic Synthesis
Utilised as a key reagent in the construction of complex molecules, it facilitates important chemical transformations. Its application spans from academic research to industrial process development in the chemical and pharmaceutical sectors.
Fine Chemical Production
Employed in the synthesis of fine chemicals and intermediates, this solution aids in achieving specific molecular architectures. Its controlled reactivity ensures reliable yields and purity in multi-step synthetic pathways.
| Molecular weight | 90.89 |
|---|---|
| Empirical formula | C4H11BLiN |
| Density | 0.890 g/mL at 25 °C |
| Refractive index | n20/D 1.425 |
| Concentration | 1 M in THF |
| Storage temperature | 2-8°C |
| Application | Capable of reducing a variety of fuctional groups.3,4,5,4 |


Hazard statements
- H225Highly flammable liquid and vapour
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P281Use personal protective equipment as required
- P305IF IN EYES
| Flash point | -17 °C / 1.4 °F |
|---|---|
| Transport (UN / ADR) | UN 3399 4.3/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xi |
| Risk statements (R) | 11-19-36/37 |
| Safety statements (S) | 16-26 |
| 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 Lithium pyrrolidinoborohydride solution used for?
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Lithium pyrrolidinoborohydride solution is primarily used as a reducing agent in organic synthesis for the selective reduction of various functional groups.
What is the CAS number and formula for Lithium pyrrolidinoborohydride solution?
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The CAS number is 144188-76-1, and its empirical formula (Hill notation) is C4H11BLiN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lithium pyrrolidinoborohydride solution at a concentration of 1 M in THF. We do not represent this product as USP, BP, EP, or any other pharmacopoeial grade.
How should Lithium pyrrolidinoborohydride solution be handled safely?
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This solution is a flammable liquid and vapour (H225) and causes serious eye irritation (H319) and may cause respiratory irritation (H335). It may also form explosive peroxides. Handle in a well-ventilated area, away from ignition sources, and wear appropriate personal protective equipment. Store at 2-8°C.
How is this chemical packed and shipped?
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This product is classified under UN 3399, Hazard Class 4.3, Packing Group I. Shipping and handling adhere to strict regulations for hazardous materials.
How can I request a sample or quote for Lithium pyrrolidinoborohydride solution?
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To request a sample or a quote, please contact our sales team through the website or by phone, providing the product name and CAS number (144188-76-1).
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