Lithium dibutyl(isopropyl)magnesate
Lithium dibutyl(isopropyl)magnesate (CAS 296802-58-9) is an organometallic reagent with the empirical formula C11H25LiMg and a molecular weight of 188.56 g/mol. It is supplied as a 0.7 M solution in diethyl ether/hexanes. This compound is primarily utilised in organic synthesis as a highly reactive nucleophile and base for a variety of chemical transformations.

Organic Synthesis Reagent
Lithium dibutyl(isopropyl)magnesate serves as a powerful nucleophile in carbon-carbon bond formation reactions. Its strong basicity also allows for deprotonation in various synthetic pathways.
Grignard Reagent Chemistry
As a member of the broader class of Grignard-type reagents, it participates in reactions characteristic of organomagnesium compounds, offering specific reactivity profiles due to its unique structure.
Organometallic Chemistry Research
This compound is valuable in research settings for exploring novel synthetic methodologies and developing complex organic molecules. Its defined concentration and solvent system ensure reproducible results.
| Molecular weight | 188.56 |
|---|---|
| Empirical formula | C11H25LiMg |
| Density | 0.708 g/mL at 25 °C |
| Concentration | 0.7 M in diethyl ether/hexanes |
| Storage temperature | 2-8°C |




Hazard statements
- H260In contact with water releases flammable gases
- H304May be fatal if swallowed and enters airways
- H315Causes skin irritation
- H336May cause drowsiness or dizziness
- H411Toxic to aquatic life with long-lasting effects
Precautionary statements
- P223Do not allow contact with water
- P231Handle under inert gas
- P261Avoid breathing dust, fume, gas or vapours
- P273Avoid release to the environment
- P370In case of fire
- P422
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Transport (UN / ADR) | UN 3399 4.3/PG 1 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn,N |
| Risk statements (R) | 14/15-19-38-51/53-65-67 |
| Safety statements (S) | 43-61-62 |
| 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 dibutyl(isopropyl)magnesate used for?
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Lithium dibutyl(isopropyl)magnesate is used as a highly reactive nucleophile and base in organic synthesis for carbon-carbon bond formation and deprotonation reactions.
What is the CAS number and formula for Lithium dibutyl(isopropyl)magnesate?
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The CAS number is 296802-58-9 and the empirical formula is C11H25LiMg.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Lithium dibutyl(isopropyl)magnesate at a concentration of 0.7 M in diethyl ether/hexanes. We do not represent this product as USP, BP, or EP grade.
How should Lithium dibutyl(isopropyl)magnesate be handled safely?
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This compound is highly reactive and flammable. It reacts with water and may form explosive peroxides. Handle under an inert atmosphere, wear appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator. Refer to the Safety Data Sheet for full details.
How is Lithium dibutyl(isopropyl)magnesate 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 safety regulations for pyrophoric and water-reactive substances. TSS is experienced in exporting such materials globally.
How can I request a quote or sample?
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To request a quote or a sample, please contact our sales team via the website or by phone, providing your specific requirements and shipping details.
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