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43034 Lithium tri-sec-butylborohydride, 1.0M solution in THF, packaged under Argon in resealable ChemSeal™ bottles

CAS Number
Lithium tri-sec-butylhydridoborate

Stock No. Size Price ($) Quantity Availability
43034-AE 100ml 67.00
43034-AP 500ml 275.00
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Lithium tri-sec-butylborohydride, 1.0M solution in THF, packaged under Argon in resealable ChemSeal™ bottles


Chemical Properties

Formula Weight
Flash Point
Storage & Sensitivity
Moisture Sensitive. Ambient temperatures.
Miscible with tetrahydrofuran.


As a reducing agent of olefinic groups and ketonesLithium tri-sec-butylborohydride is used as a mild reducing agent in organic synthesis. It is also used as a stereoselective reducing agent for ketones and cyclic anhydrides. It is also employed for Michael-initiated ring closure reaction. It is involved in Overman's synthesis of strychnine. Further, it reduces (2-arylprop-1-en-3-yl)trimethylammonium iodides to 2-arylpropenes. In addition to this, it is used for conjugate addition and alkylation of alfa,beta-unsaturated esters.


Incompatible with water, oxidizing agents, oxygen, alcohols and acids.

Literature References

Rajendran, K. V.; Nikitin, K. V.; Gilheany, D. G. Hammond Postulate Mirroring Enables Enantiomeric Enrichment of Phosphorus Compounds via Two Thermodynamically Interconnected Sequential Stereoselective Processes. J. Am. Chem. Soc. 2015, 137 (29), 9375-9381.

Morzycki, J. W. Recent advances in cholesterol chemistry. Steroids 2014, 83, 62-79.

GHS Hazard and Precautionary Statements

Hazard Statements: H225-H260-H314-H335-H336-H351

Highly flammable liquid and vapour. In contact with water releases flammable gases which may ignite spontaneously. Causes severe skin burns and eye damage. May cause respiratory irritation. May cause drowsiness or dizziness. Suspected of causing cancer.

Precautionary Statements: P201-P202-P210-P223-P231+P232-P233-P235-P240-P241-P242-P243-P260-P264b-P270-P271-P281-P303+P361+P353-P304+P340-P305+P351+P338-P310-P330-P331-P335+P334-P363-P370+P378q-P501c

Obtain special instructions before use. Do not handle until all safety precautions have been read and understood. Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep away from any possible contact with water, because of violent reaction and possible flash fire. Handle under inert gas. Protect from moisture. Keep container tightly closed. Keep cool. Ground/bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/ equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Do not breathe dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Use personal protective equipment as required. IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Immediately call a POISON CENTER or doctor/physician. Rinse mouth. Do NOT induce vomiting. Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages. Wash contaminated clothing before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant

Other References

Hazard Class
Packing Group
Harmonized Tariff Code


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